AISI 4340 Bar rod manufacturing company in India

AISI 4340 Bar rod manufacturer AISI 4340 Bar rod suppliers AISI 4340 Bar rod stockiests AISI 4340 Bar rod exporter Mumbai

AISI 4340 Bar UAE | AISI 4340 Bar Indonesia | AISI 4340 Bar Australia | AISI 4340 Bar Malaysia | AISI 4340 Bar Singapore | AISI 4340 Bar Iran | Brazil AISI 4340 Bar

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Type of AISI 4340 Bar (Buy anything in Bar & Rod)

AISI 4340 Round Bar AISI 4340 Bright Bar AISI 4340 Square Bar AISI 4340 Hex Bar AISI 4340 Rectangle Bar
AISI 4340 Flat Bar AISI 4340 Black Bar AISI 4340 Threaded Bar AISI 4340 Forged Bar AISI 4340 Rod

WHY BUY A FULL BAR WHEN YOU JUST NEED A SMALL VOLUME?

The Group, through its steel-making plant and rolling mills, focuses on the production of steel product ranging from bars to rods serving mainly the construction and engineering sectors. We produce of stainless steel bar, hot rolled carbon and alloy flats, Round Bar, bright bar, square bar, hex bar, flat bar, flat bar, Black Bar, Threaded Bar, Forged Bar, Rod, sharp cornered squares, and special sections. These products are exported to countries such as Singapore, Indonesia, Brunei, Myanmar, Hong Kong, Australia, Fiji, New Zealand, Papua New Guinea, Mauritius, Maldives, Sri Lanka, Pakistan, South Africa, Madagascar, Egypt, UAE, Amman, Kuwait, Bahrain, United Kingdom, Denmark, Switzerland and Germany.  We are staffed by a team of well-trained technical personnel, providing technical support and services relating to quality and applications of our products. Our technical team is able to advise on the most appropriate product quality to meet your requirements. Our specialty is to provide wide range of AISI 4340 Bar with no minimum order.

AISI 4340 Bar specification
AISI 4340 Bar (Rod) & Wire
Sr. No.
Material
Diameter
Length
Specification
Manufacturer
1
Alloy Steel Bars
10 mm To 
200 mm
1000 mm Long To 6000 mm Long
A-182

Musco & Imported



 

Note:-
Grade A182 – F5, F9, F11, F12, F21, F22 & F91, A331 AISI 4140
Finishing Black
In Form of Round
Forged
Square
Rectangle
Block
Billet
Ingot Etc.
Value Added Service Forging, Machining (CNC), Heat Treatment, Rolling, Cutting, Bending, Minor Fabrication Etc.
Test Certificate Manufacturer Test Certificate 
IBR Test Certificate (Form III-C)
Under Third Party Inspection
Specialize IBR Approved
AISI 4340 Round Bar

Manufacturer | Dealer | Supplier | Stockist | DistributorAISI 4340 Bar manufacturer India

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Round bar weight calculations

Most common alloy steel round bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



 

AISI 4340 Bright Bar

Manufacturer | Dealer | Supplier | Stockist | DistributorAISI 4340 Bar manufacturer India

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Bright Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



 

 

AISI 4340 Square Bar

Manufacturer | Dealer | Supplier | Stockist | DistributorAISI 4340 Bar manufacturer India

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Square bar weight calculator

Most common alloy steel Square Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



 

AISI 4340 Hex Bar

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Hex Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



AISI 4340 Rectangle Bar / Rectangular Bar

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Rectangle Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



AISI 4340 Flat Bar

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface: hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Size: Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12
Material Grades: AISI 201, AISI 202, AISI 301, AISI 302, AISI 303, AISI 304, AISI 304L, AISI 309, AISI 310, AISI 316, AISI 316L, 316Ti , 321H, 329, 347H, 310, 310S, 317, 314, 416, AISI 321, AISI 347, AISI 410, AISI 420, AISI 430, 430F, AISI 431, 440C, 446, 422, 904L, AISI 630, 13-8PH, 15-5PH, 17-4PH, Alloy 660, Nitronic 50, Nitronic 60, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Copper Nickel, Hastelloy, Inconel etc.

Flat bar weight calculator

Most common alloy steel Flat Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



AISI 4340 Black Bar

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Black Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



AISI 4340 Threaded Bar

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Threaded Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



AISI 4340 Forged Bar

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Forged Bar grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B



AISI 4340 Rod

AISI 4340 Bar manufacturer IndiaManufacturer | Dealer | Supplier | Stockist | Distributor

Trade Name: AISI 4340 Bar
Standard :
SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H, SAE4150, SAE8620, ASTM A105, B7, B16, F11, F12, F22, F5, F9, 51Cr4.
Material Grades: AISI/SAE 4140, 4130, 4340, 8620, 8640
Shape Manufactured: Flat Bar, Square Bar, Round Bar, Rings, Hollows, Blocks and special Shapes.

Most common alloy steel Rod grades include:

Test Certificate 
Mill Test Certificate as per EN 10204 / 3.1B




AISI 4340 Bar price list

» Click here to view grade wise Price list for AISI 4340 Bar

AISI 4340 Bar leading manufacturers

We are distributor, dealer & supplier of Outokumpu round bar, Stainless steel bar, Thyssenkrupp round bar, Steel bar, Mukand Ltd Round Bar. You can also download the PDF file of Outokumpu stainless steel bar sizes and specifications, Outokumpu stainless steel bar brochure, Stainless Steel Bar and Long Products, European Stainless Bar and A Machining Comparison between Outokumpu PRODEC® and Standard Stainless Bar.

 Thyssenkrupp / Thyssenkrupp steel bar

Thyssenkrupp / Thyssenkrupp Round bar

Outokumpu / Outokumpu round bar

Outokumpu / Outokumpu Round bar / Outokumpu Latest Price

Mukand Ltd

Mukand / Mukand steel bar

AISI 4340 Bar buying tips

If you want to buy AISI 4340 Bar in India, Saudi Arabia, South Africa, Malaysia, Indonesia, Kuwait, UAE, Korea, Russia or anywhere in the world here are few tips to buy quality products on time:

  1. Always ask for AISI 4340 Bar Mill Certificate
  2. Check after sales service through their existing clientile, you can also buy small quantity first to check the service
  3. Material with ASTM standards
  4. Competitive price
  5. Beware about used / surplus material
  6. Beware about rejected material, you can ask for third party inspection for assured material
  7. Product replacement policy
  8. Good Packing for sea and Air transport
  9. For high quality choose ISO certified company
  10. Purchase directly from manufacturers for Competitive price & accurate materials
AISI 4340 Bar buyers

AISI 4340 Bar can be used for a number of different applications, including:

  • Screw machine products
  • Shafts
  • Valves
  • Fittings
  • Gears
  • Fasteners
  • Food processing equipment
  • Instruments
  • Screws
  • Bearings
  • Mining machinery
  • Aircraft parts, exhaust manifolds
  • Pumps
AISI 4340 Bar case studies

AISI 4340 Bar case studies

Its about one of our client in Abu Dhabi city, we have exported 1 Ton Hot rolled bar to them in Oct, 2014, just before Diwali (India’s main Hindu festival) along with Mill certificate & third party documents, but the project chief engineer required 1 ton more Cold drawn bar on urgent basis, in our factory 99% workers & staff gone for Diwali vacation, even i was also out of town to celebrate Diwali, but when our client’s requested me that its a emergency so i immediately took a flight on the auspicious day of Diwali morning & arranged to export the material on the same day, & then i went back & celebrated Diwali at my home happily. My client was so surprised to see that because in India no one was ready to ship the materials in whole October Due to Diwali vacation, he says me thanks & sent me a special gift, i was feeling very happy that day because we works 300 days out of 365 Days but after working hard in difficult circumstances you will more enjoy in your holidays.

 

 

AISI 4340 Bar ready stock countrywise & Available Quantity Approx.
AISI 4340 Bar in South Africa 500 Ton approx
AISI 4340 Bar in United Arab Emirates 500 Ton approx
AISI 4340 Bar in Calgary Canada 1200 Ton approx
AISI 4340 Bar in Dubai 1200 Ton approx
AISI 4340 Bar in United Arab Emirates 1800 Ton
AISI 4340 Bar in Mumbai 500 Ton approx
AISI 4340 Bar in India 1600 Ton
AISI 4340 Bar in Oman 1200 Ton approx
AISI 4340 Bar in USA 1800 Ton
AISI 4340 Bar in Seattle 500 Ton approx
AISI 4340 Bar in Singapore 1200 Ton approx
AISI 4340 Bar in Malaysia 800 Ton
AISI 4340 Bar in New Zealand Contact for stock
AISI 4340 Bar in United States 1200 Ton approx
AISI 4340 Bar in Canada 550 Ton
AISI 4340 Bar in Indonesia 500 Ton approx
AISI 4340 Bar in South Korea 800 Ton
AISI 4340 Bar in Iran 350 Ton
AISI 4340 Bar in Norway 800 Ton
AISI 4340 Bar in Chennai 1800 Ton
AISI 4340 Bar in Pune 550 Ton
AISI 4340 Bar in New Delhi 800 Ton
AISI 4340 Bar in Netherlands 1200 Ton approx
AISI 4340 Bar in Denmark 550 Ton
AISI 4340 Bar in Jakarta, Indonesia 1200 Ton approx
AISI 4340 Bar in Houston, TX 650 Ton
AISI 4340 Bar in Philadelphia, PA 700 Ton
AISI 4340 Bar in Durban 550 Ton
AISI 4340 Bar in Johannesburg 1800 Ton
AISI 4340 Bar in Pretoria 650 Ton
AISI 4340 Bar in Soweto 1800 Ton
AISI 4340 Bar in Port Elizabeth 550 Ton
AISI 4340 Bar in Benoni 500 Ton approx
AISI 4340 Bar in Vereeniging 1800 Ton
AISI 4340 Bar in Bloemfontein 800 Ton
AISI 4340 Bar in Newcastle 350 Ton
AISI 4340 Bar in East London 500 Ton approx
AISI 4340 Bar in Welkom 1200 Ton approx
AISI 4340 Bar in King Williams Town 800 Ton
AISI 4340 Bar in Nigel 1800 Ton
AISI 4340 Bar in Pietersburg 350 Ton
AISI 4340 Bar in Abu Dhabi 550 Ton
AISI 4340 Bar in Nelspruit 800 Ton
AISI 4340 Bar in Qatar 1800 Ton
AISI 4340 Bar in Oman 500 Ton approx
AISI 4340 Bar in Potchefstroom 650 Ton
AISI 4340 Bar in Saudi Arabia 350 Ton
AISI 4340 Bar in Ajman 1800 Ton
AISI 4340 Bar in Umm al-Quwain 800 Ton
AISI 4340 Bar in Calcutta 650 Ton
AISI 4340 Bar in Pakistan 550 Ton
AISI 4340 Bar in Denmark 1200 Ton approx
AISI 4340 Bar in Italy 650 Ton
AISI 4340 Bar in Australia 500 Ton approx
AISI 4340 Bar in Fujairah 800 Ton
AISI 4340 Bar in Japan 1800 Ton
AISI 4340 Bar in Brazil 1200 Ton approx
AISI 4340 Bar in Peru 350 Ton
AISI 4340 Bar in Canada 500 Ton approx
AISI 4340 Bar in Ras al-Khaimah
AISI 4340 Bar in Sharjah 1200 Ton approx
AISI 4340 Bar in Sydney 800 Ton
AISI 4340 Bar in Melbourne 550 Ton
AISI 4340 Bar in Perth 500 Ton approx
AISI 4340 Bar in Adelaide 650 Ton
AISI 4340 Bar in Hobart 550 Ton
AISI 4340 Bar in Canberra 1800 Ton
AISI 4340 Bar in Brisbane 800 Ton
AISI 4340 Bar in Pietermaritzburg 650 Ton
AISI 4340 Bar in Rustenburg 350 Ton
AISI 4340 Bar in Witbank 500 Ton approx
AISI 4340 Bar in Carltonville 1200 Ton approx
AISI 4340 Bar in Klerksdorp 800 Ton
AISI 4340 Bar in George 500 Ton approx
AISI 4340 Bar in Botshabelo 1800 Ton
AISI 4340 Bar in Kimberley 1200 Ton approx

We have our strong network within India’s all states including Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Haryana, Himachal Pradesh, Jammu and Kashmir, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttar Pradesh, Uttarakhand, West Bengal to supply AISI 4340 Bar within 4 -12 hrs.

AISI 4340 Bar manufacturer IndiaWe regular export to Russia, Moscow, Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod, Samara, Omsk, Kazan, Chelyabinsk, Rostov-on-Don, Ufa, Volgograd, Perm, Krasnoyarsk, Voronezh, Saratov, Krasnodar, Tolyatti, Izhevsk, Ulyanovsk, Barnaul, Vladivostok, Yaroslavl, Irkutsk, Tyumen, Khabarovsk, Makhachkala, Orenburg, Novokuznetsk, Kemerovo, Ryazan, Tomsk, Astrakhan, Penza, Naberezhnye Chelny, Lipetsk, Tula, Kirov, Cheboksary, Kaliningrad, Bryansk, Kursk, Ivanovo, Magnitogorsk, Ulan-Ude, Tver, Stavropol, Nizhny Tagil, Belgorod, Arkhangelsk, Vladimir, Sochi, Kurgan, Smolensk, Kaluga, Chita, Oryol, Volzhsky, Cherepovets, Vladikavkaz, Murmansk, Surgut, Vologda, Saransk, Tambov, Sterlitamak, Grozny, Yakutsk, Kostroma, Komsomolsk-on-Amur, Petrozavodsk, Taganrog, Nizhnevartovsk, Yoshkar-Ola, Bratsk, Novorossiysk, Dzerzhinsk, Nalchik, Shakhty, Orsk, Syktyvkar, Nizhnekamsk, Angarsk, Stary Oskol, Veliky Novgorod, Balashikha, Blagoveshchensk, Prokopyevsk, Biysk, Khimki, Pskov, Engels, Rybinsk, Balakovo, Severodvinsk, Armavir, Podolsk, Korolyov, Yuzhno-Sakhalinsk, Petropavlovsk-Kamchatsky, Syzran, Norilsk, Zlatoust, Kamensk-Uralsky, Mytishchi, Lyubertsy, Volgodonsk, Novocherkassk, Abakan, Nakhodka, Ussuriysk, Berezniki, Salavat, Elektrostal, Miass, Rubtsovsk, Almetyevsk, Kovrov, Kolomna, Maykop, Pyatigorsk, Odintsovo, Kopeysk, Novomoskovsk, Zheleznodorozhny, Khasavyurt, Cherkessk, Kislovodsk, Serpukhov, Pervouralsk, Novocheboksarsk, Nefteyugansk, Dimitrovgrad, Neftekamsk, Orekhovo-Zuyevo, Kamyshin, Derbent, Nevinnomyssk, Krasnogorsk, Murom, Bataysk, Sergiyev Posad, Novoshakhtinsk, Noyabrsk, Shchyolkovo, Kyzyl, Oktyabrsky, Achinsk, Seversk, Novokuybyshevsk, Yelets, Arzamas, Obninsk, Zhukovsky, Novy Urengoy, Elista, Pushkino, Artyom, Mezhdurechensk, Leninsk-Kuznetsky, Sarapul, Yessentuki, Kaspiysk, Noginsk, Tobolsk, Ukhta, Serov, Votkinsk, Velikiye Luki, Michurinsk, Kiselyovsk, Novotroitsk, Zelenodolsk, Solikamsk, Berdsk, Ramenskoye, Domodedovo, Magadan, Glazov, Kamensk-Shakhtinsky, Zheleznogorsk, Kansk, Nazran, Gatchina, Sarov, Voskresensk, Dolgoprudny, Bugulma, Kuznetsk, Gubkin, Kineshma, Yeysk, Reutov, Ust-Ilimsk, Novouralsk, Zheleznogorsk, Usolye-Sibirskoye, Azov, Buzuluk, Chaykovsky, Balashov, Ozyorsk, Yurga, Kirovo-Chepetsk, Kropotkin, Klin, Khanty-Mansiysk, Vyborg, Troitsk, Bor, Shadrinsk, Belovo, Mineralnye Vody, Anzhero-Sudzhensk, Birobidzhan, Lobnya, Chapayevsk, Georgiyevsk, Chernogorsk, Minusinsk, Mikhaylovsk, Yelabuga, Dubna, Vorkuta, Novoaltaysk, Yegoryevsk, Asbest, Beloretsk, Belogorsk, Gukovo, Tuymazy, Stupino, Kstovo, Volsk, Ishimbay, Kungur, Zelenogorsk, Lysva, Sosnovy Bor, Borisoglebsk, Ishim, Naro-Fominsk, Budyonnovsk, Donskoy, Polevskoy, Leninogorsk, Slavyansk-na-Kubani, Pavlovsky Posad, Zarechny, Tuapse, Rossosh, Labinsk, Kumertau, Sibay, Buynaksk, Klintsy, Rzhev, Revda, Tikhoretsk, Neryungri, Aleksin, Alexandrov, Meleuz, Salsk, Dmitrov, Lesosibirsk, Gus-Khrustalny, Chistopol, Chekhov, Pavlovo, Kotlas, Belebey, Iskitim, Verkhnyaya Pyshma, Vsevolozhsk, Apatity, Krasnoturyinsk, Prokhladny, Mikhaylovka, Anapa, Svobodny, Ivanteyevka, Shuya, Tikhvin, Kogalym, Shchyokino, Krymsk, Vyazma, Gorno-Altaysk, Vidnoye, Arsenyev, Vyksa, Klimovsk, Liski, Krasnokamensk, Volzhsk, Izberbash, Zhigulyovsk, Fryazino, Uzlovaya, Lytkarino, Gelendzhik, Roslavl, Nyagan, Timashyovsk, Belorechensk, Borovichi, Solnechnogorsk, Nazarovo, Cheremkhovo, Vyshny Volochyok, Kirishi, Krasnokamsk, Beryozovsky, Balakhna, Lesnoy, Livny, Donetsk, Severomorsk
AISI 4340 Bar related products & stock
Bar & Rod, we manufacture, at a glance:

Stainless steel manufacturing grade at a glance:

Nickel Alloy Bar & Rod at a glance:

List of Countries where Piyush Steel supply all size & grade Bright Bars / Rods:


Why Should I Order AISI 4340 Bar From Piyush Steel?
  • Piyush Steel is ISO certified
  • Piyush Steel ships directly from the mill to the buyer, eliminating the cost of stocking and providing significant savings to its customers.
  • Piyush Steel offers overnight delivery for AISI 4340 Bar
  • Professional packaging ensures that your product is received in top condition
  • Our staff has in-depth product knowledge and extensive cross training. They are motivated to give you quick, accurate information-first call, every call!
  • Contact us and get the right answers right away!
Why use AISI 4340 Bar
  • High strength and toughness.
  • Good high-temperature strength below 500°C.
  • Good machinability.
  • Medium cold bending plasticity.
  • High hardenability
  • AISI 4340 Bar has Good weldability
  • It is often used under the tempering and quenching condition.
AISI 4340 Bar Useful Information

You can also read about:

AISI 4340 Alloy Steel (UNS G43400)

Alloy steels are designated by AISI four-digit numbers. They comprise different kinds of steels having composition exceeding the limitations of B, C, Mn, Mo, Ni, Si, Cr, and Va set for carbon steels.

AISI 4340 alloy steel is a heat treatable and low alloy steel containing chromium, nickel and molybdenum. It has high toughness and strength in the heat treated condition.

AISI 4340 Chemical Composition

The following table shows the chemical composition of AISI 4340 alloy steel.

Element Content (%)
Iron, Fe 95.195 – 96.33
Nickel, Ni 1.65 – 2.00
Chromium, Cr 0.700 – 0.900
Manganese, Mn 0.600 – 0.800
Carbon, C 0.370 – 0.430
Molybdenum, Mo 0.200 – 0.300
Silicon, Si 0.150 – 0.300
Sulfur, S  0.0400
Phosphorous, P  0.0350

AISI 4340 Physical Properties

The physical properties of AISI 4340 alloy steel are given in the following table.

Properties Metric Imperial
Density 7.85 g/cm3 0.284 lb/in³
Melting point 1427°C 2600°F

AISI 4340 Mechanical Properties

The mechanical properties of annealed AISI 4340 alloy steel are displayed in the following table.

Properties Metric Imperial
Tensile strength 745 MPa 108000 psi
Yield strength 470 MPa 68200 psi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break 22% 22%
Reduction of area 50% 50%
Hardness, Brinell 217 217
Hardness, Knoop (converted from Brinell hardness) 240 240
Hardness, Rockwell B (converted from Brinell hardness) 95 95
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) 17 17
Hardness, Vickers (converted from Brinell hardness) 228 228
Machinability (annealed and cold drawn. Based on 100 machinability for AISI 1212 steel.) 50 50

AISI 4340 Thermal Properties

The following table outlines the thermal properties of AISI 4340 alloy steel.

Properties Metric Imperial
Thermal expansion co-efficient (20°C/68°F, specimen oil hardened, 600°C (1110°F) temper 12.3 µm/m°C 6.83 µin/in°F
Thermal conductivity (typical steel) 44.5 W/mK 309 BTU in/hr.ft².°F

AISI 4340 Other Designations

Other designations that are equivalent to AISI 4340 alloy steel include the following:

AMS 6359 AMS 6454 ASTM A331 (4340) ASTM A711 SAE J1397 (4340)
AMS 6409 ASTM A29 (4340) ASTM A506 (4340) ASTM A752 (4340) SAE J404 (4340)
AMS 6414 ASTM A320 (L43) ASTM A519 (4340) ASTM A829 SAE J412 (4340)
AMS 6415 ASTM A322 (4340) ASTM A646 (4340-7) MIL S-5000
         

AISI 4340 Fabrication and Heat Treatment

AISI 4340 Machinability

AISI 4340 alloy steel can be machined using all conventional techniques. Machining process can be performed in the annealed or normalized and tempered conditions.

AISI 4340 Forming

AISI 4340 alloy steel has good ductility and formability in the annealed condition. It can be bent or formed by pressing or spinning in the annealed state.

AISI 4340 Welding

AISI 4340 alloy steel can be welded using fusion or resistance welding methods. Preheat and post heat weld procedures are followed while welding this steel by established methods.

AISI 4340 Heat Treatment

AISI 4340 alloy steel is heat treated at 830°C (1525°F) followed by quenching in oil.

AISI 4340 Forging

AISI 4340 alloy steel is forged at 427 to 1233°C (1800 to 2250°F).

AISI 4340 Cold Working

AISI 4340 alloy steel can be cold worked using all conventional methods in the annealed condition. It has high ductility.

AISI 4340 Annealing

AISI 4340 alloy steel is annealed at 844°C (1550°F) followed by cooling the furnace.

AISI 4340 Tempering

AISI 4340 alloy steel should be in the heat treated or normalized and heat treated condition before tempering. Tempering temperatures depend upon the desired strength level.

AISI 4340 Hardening

AISI 4340 alloy steel can be hardened by cold working or heat treatment.

AISI 4340 Applications

AISI 4340 alloy steel is mainly used in power transmission gears and shafts, aircraft landing gear, and other structural parts.

AISI 4340 Bar standard sizes & availability
  Sizes Availability
AISI 4340 Bar 6mm Available
AISI 4340 Bar 8mm Available
AISI 4340 Bar 10mm Available
AISI 4340 Bar 12mm Available
AISI 4340 Bar 13mm Available
AISI 4340 Bar 16mm Available
AISI 4340 Bar 19mm Available
AISI 4340 Bar 22mm Available
AISI 4340 Bar 28mm Available
AISI 4340 Bar 40mm Available
AISI 4340 Bar 60mm Available
AISI 4340 Bar 75mm Available
AISI 4340 Bar 90mm Available
AISI 4340 Bar 120mm Available
AISI 4340 Bar suppliers, send Inquiry now:

 

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