Email: sales@piyushsteel.com
420 Stainless Steel Bar rod manufacturing company in India
420 Stainless Steel Bar rod manufacturer 420 Stainless Steel Bar rod suppliers 420 Stainless Steel Bar rod stockiests 420 Stainless Steel Bar rod exporter Mumbai
420 Stainless Steel Bar UAE | 420 Stainless Steel Bar Indonesia | 420 Stainless Steel Bar Australia | 420 Stainless Steel Bar Malaysia | 420 Stainless Steel Bar Singapore | 420 Stainless Steel Bar Iran | Brazil 420 Stainless Steel Bar
Contents
- Type of 420 Stainless Steel Bar
- 420 Stainless Steel Bar specification
- 420 Stainless Steel Bar price list
- 420 Stainless Steel Bar leading manufacturers
- 420 Stainless Steel Bar buyers
- 420 Stainless Steel Bar buying tips
- 420 Stainless Steel Bar case studies
- 420 Stainless Steel Bar ready stock countrywise & Available Quantity Approx.
- 420 Stainless Steel Bar related products & stock
- 420 Stainless Steel Bar Useful Information
- Why Us?
- Why use 420 Stainless Steel Bar?
- 420 Stainless Steel Bar standard sizes
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, Rectangular Bar, Flat Bar, Black Bar, Threaded Bar, Forged Bar, Rod, sharp cornered squares, and special sections. The Company is built on the platform of highly committed staff team that always set the precise momentum to be ever ready in attaining the next level of success. The Company places strong ocmmitments towards customer satisfaction through product excellence, reliable quality, and competitive pricing. Our specialty is to provide wide range of 420 Stainless Steel Bar with no minimum order.
420 Stainless Steel Bar specification
|
Standard
|
||||
|---|---|---|---|---|
| ASTM | A 276, A 314 | |||
| ASME | SA 276, SA 314 | |||
|
Material
|
||||
| SS 420 | DIN 1.4021 | UNS S42000 | SUS 420 | Inox 420 |
420 Stainless Steel Bar Specifications
UNS = Unified Numbering System
TYPE = Commonly used grade name
AMS = Aerospace Society for Testing and Materials
ASTM = American Society for Testing and Materials
FEDERAL = Federal specifications
| UNS | TYPE | AMS | ASTM | FEDERAL | CHARACTERISTICS |
|---|---|---|---|---|---|
| S42000 | 420 | 5621 | A-276
A-314 |
QQ-S-763 | 420 is similar to 400, but the raised carbon content produces higher strength and hardness. Heat treatment to 50 RC min. |
| S42020 | 420F | 5620 | A-582 | – | Free-machining variation of 420. |
| S42023 | 420F Se | 5620 | A-582 | – | Similar to 420F, commonly used for forging. |
420 Stainless Steel Round Bar
|
Manufacturer | Dealer | Supplier | Stockist | Distributor Trade Name: 420 Stainless Steel Bar Round bar weight calculationsMost common stainless steel Round Bar grades include:
Test Certificate
|
420 Stainless Steel Bright Bar
|
Manufacturer | Dealer | Supplier | Stockist | Distributor Trade Name: 420 Stainless Steel Bar Most common stainless steel Bright Bar grades include:
Test Certificate
|
420 Stainless Steel Square Bar
|
Manufacturer | Dealer | Supplier | Stockist | Distributor Trade Name: 420 Stainless Steel Bar Square bar weight calculationsMost common stainless steel Square Bar grades include:
Test Certificate |
420 Stainless Steel Hex Bar
|
Trade Name: 420 Stainless Steel Bar Most common stainless steel Hex Bar grades include:
Test Certificate |
420 Stainless Steel Rectangle Bar / Rectangular Bar
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Trade Name: 420 Stainless Steel Bar Most common stainless steel Rectangle Bar grades include:
Test Certificate |
420 Stainless Steel Flat Bar
|
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M Flat bar weight calculationsMost common stainless steel Flat Bar grades include:
Test Certificate
1/8" x 3/8" Cold Rolled Flat (Grade 1018) |
420 Stainless Steel Black Bar
|
Trade Name: 420 Stainless Steel Bar Most common stainless steel Black Bar grades include:
Test Certificate |
420 Stainless Steel Threaded Bar
|
Trade Name: 420 Stainless Steel Bar Most common stainless steel Threaded Bar grades include:
Test Certificate |
420 Stainless Steel Forged Bar
|
Trade Name: 420 Stainless Steel Bar Most common stainless steel Forged Bar grades include:
Test Certificate |
420 Stainless Steel Rod
|
Trade Name: 420 Stainless Steel Bar Most common stainless steel Rod grades include:
Test Certificate |
420 Stainless Steel Bar price list
» Click here to view grade wise Price list for 420 Stainless Steel Bar
420 Stainless Steel 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 Round bar |
Outokumpu / Outokumpu Round bar / Outokumpu Latest Price |
Mukand / Mukand steel bar |
420 Stainless Steel Bar buying tips
Stainless steel is often selected for its high corrosion resistance in addition to strength and fatigue endurance. If you want to buy 420 Stainless Steel 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:
- Always ask for 420 Stainless Steel Bar Mill Certificate
- Check after sales service through their existing clientile, you can also buy small quantity first to check the service
- Material with ASTM standards
- Competitive price
- Beware about used / surplus material
- Beware about rejected material, you can ask for third party inspection for assured material
- Product replacement policy
- Good Packing for sea and Air transport
- For high quality choose ISO certified company
- Purchase directly from manufacturers for Competitive price & accurate materials
420 Stainless Steel Bar buyers
420 Stainless Steel 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
420 Stainless Steel 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.
420 Stainless Steel Bar ready stock countrywise & Available Quantity Approx.
| 420 Stainless Steel Bar in South Africa 500 Ton approx 420 Stainless Steel Bar in United Arab Emirates 500 Ton approx 420 Stainless Steel Bar in Calgary Canada 1200 Ton approx 420 Stainless Steel Bar in Dubai 1200 Ton approx 420 Stainless Steel Bar in United Arab Emirates 1800 Ton 420 Stainless Steel Bar in Mumbai 500 Ton approx 420 Stainless Steel Bar in India 1600 Ton 420 Stainless Steel Bar in Oman 1200 Ton approx 420 Stainless Steel Bar in USA 1800 Ton 420 Stainless Steel Bar in Seattle 500 Ton approx 420 Stainless Steel Bar in Singapore 1200 Ton approx 420 Stainless Steel Bar in Malaysia 800 Ton 420 Stainless Steel Bar in New Zealand Contact for stock 420 Stainless Steel Bar in United States 1200 Ton approx 420 Stainless Steel Bar in Canada 550 Ton 420 Stainless Steel Bar in Indonesia 500 Ton approx 420 Stainless Steel Bar in South Korea 800 Ton 420 Stainless Steel Bar in Iran 350 Ton 420 Stainless Steel Bar in Norway 800 Ton 420 Stainless Steel Bar in Chennai 1800 Ton 420 Stainless Steel Bar in Pune 550 Ton 420 Stainless Steel Bar in New Delhi 800 Ton 420 Stainless Steel Bar in Netherlands 1200 Ton approx 420 Stainless Steel Bar in Denmark 550 Ton 420 Stainless Steel Bar in Jakarta, Indonesia 1200 Ton approx 420 Stainless Steel Bar in Houston, TX 650 Ton 420 Stainless Steel Bar in Philadelphia, PA 700 Ton 420 Stainless Steel Bar in Durban 550 Ton 420 Stainless Steel Bar in Johannesburg 1800 Ton 420 Stainless Steel Bar in Pretoria 650 Ton 420 Stainless Steel Bar in Soweto 1800 Ton 420 Stainless Steel Bar in Port Elizabeth 550 Ton 420 Stainless Steel Bar in Benoni 500 Ton approx 420 Stainless Steel Bar in Vereeniging 1800 Ton 420 Stainless Steel Bar in Bloemfontein 800 Ton 420 Stainless Steel Bar in Newcastle 350 Ton 420 Stainless Steel Bar in East London 500 Ton approx 420 Stainless Steel Bar in Welkom 1200 Ton approx |
420 Stainless Steel Bar in King Williams Town 800 Ton 420 Stainless Steel Bar in Nigel 1800 Ton 420 Stainless Steel Bar in Pietersburg 350 Ton 420 Stainless Steel Bar in Abu Dhabi 550 Ton 420 Stainless Steel Bar in Nelspruit 800 Ton 420 Stainless Steel Bar in Qatar 1800 Ton 420 Stainless Steel Bar in Oman 500 Ton approx 420 Stainless Steel Bar in Potchefstroom 650 Ton 420 Stainless Steel Bar in Saudi Arabia 350 Ton 420 Stainless Steel Bar in Ajman 1800 Ton 420 Stainless Steel Bar in Umm al-Quwain 800 Ton 420 Stainless Steel Bar in Calcutta 650 Ton 420 Stainless Steel Bar in Pakistan 550 Ton 420 Stainless Steel Bar in Denmark 1200 Ton approx 420 Stainless Steel Bar in Italy 650 Ton 420 Stainless Steel Bar in Australia 500 Ton approx 420 Stainless Steel Bar in Fujairah 800 Ton 420 Stainless Steel Bar in Japan 1800 Ton 420 Stainless Steel Bar in Brazil 1200 Ton approx 420 Stainless Steel Bar in Peru 350 Ton 420 Stainless Steel Bar in Canada 500 Ton approx 420 Stainless Steel Bar in Ras al-Khaimah 420 Stainless Steel Bar in Sharjah 1200 Ton approx 420 Stainless Steel Bar in Sydney 800 Ton 420 Stainless Steel Bar in Melbourne 550 Ton 420 Stainless Steel Bar in Perth 500 Ton approx 420 Stainless Steel Bar in Adelaide 650 Ton 420 Stainless Steel Bar in Hobart 550 Ton 420 Stainless Steel Bar in Canberra 1800 Ton 420 Stainless Steel Bar in Brisbane 800 Ton 420 Stainless Steel Bar in Pietermaritzburg 650 Ton 420 Stainless Steel Bar in Rustenburg 350 Ton 420 Stainless Steel Bar in Witbank 500 Ton approx 420 Stainless Steel Bar in Carltonville 1200 Ton approx 420 Stainless Steel Bar in Klerksdorp 800 Ton 420 Stainless Steel Bar in George 500 Ton approx 420 Stainless Steel Bar in Botshabelo 1800 Ton 420 Stainless Steel 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 420 Stainless Steel Bar within 4 -12 hrs.
| We 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 |
420 Stainless Steel 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 420 Stainless Steel Bar From Piyush Steel?
- Piyush Steel is ISO certified
- Piyush Steel offers overnight delivery for 420 Stainless Steel 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 420 Stainless Steel Bar
- Austenitic stainless steels are extensively used for service down to as low as liquid helium temperature (-269 deg C). This is largely due to the lack of a clearly defined transition from ductile to brittle fracture in impact toughness testing.
- Various types of stainless steel are used across the whole temperature range from ambient to 1100 deg C.
- The ferritic types may be limited, in practice, to lower temperatures as they have lower strengths at elevated temperatures than the austenitic types. The ferritic types can also suffer from embrittlement with extended exposure to temperatures above about 450°C.
420 Stainless Steel Bar Useful Information
You can also read about:
- Steel bar Comparative / similar specifications
- Steel bar Standards and specifications by country
- Steel bar Standards and specifications by company
Introduction
Grade 420 stainless steel is a high-carbon steel with a minimum chromium content of 12%. Like any other stainless steel, grade 420 can also be hardened through heat treatment. It offers good ductility in its annealed state and excellent corrosion resistance properties when the metal is polished, surface grounded or hardened. This grade has the highest hardness – 50HRC – among all the stainless steel grades with 12% chromium.
Stainless steel grades that are similar to grade 420 stainless steels include martensitic steels such as the other versions of grade 420, having vanadium, sulphur and molybdenum in their composition, and the grade 440 series. Non-standard grade 420C has carbon content that is little higher than that of grade 420.
420 Stainless Steel Key Properties
The following properties are mentioned for bar products in ASTM A276. The specification may not necessarily be similar for other forms, such as forgings and plate.
420 Stainless Steel Composition
The compositional ranges of grade 420 stainless steels are given in following table:
Table 1 - Compositional ranges of grade 420 stainless steels
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
|
|
420 |
min. max. |
0.15 - |
- 1 |
- 1 |
- 0.040 |
- 0.03 |
12.0 14.0 |
420 Stainless Steel Mechanical Properties
The key mechanical properties of grade 420 stainless steels are tabulated below:
Table 2 - Mechanical properties of grade 420 stainless steels
|
Tempering Temperature (°C) |
Tensile Strength (MPa) |
Yield Strength |
Elongation (% in 50mm) |
Hardness Brinell (HB) |
Impact Charpy V (J) |
|
Annealed * |
655 |
345 |
25 |
241 max |
- |
|
204 |
1600 |
1360 |
12 |
444 |
20 |
|
316 |
1580 |
1365 |
14 |
444 |
19 |
|
427 |
1620 |
1420 |
10 |
461 |
# |
|
538 |
1305 |
1095 |
15 |
375 |
# |
|
593 |
1035 |
810 |
18 |
302 |
22 |
|
650 |
895 |
680 |
20 |
262 |
42 |
|
* Annealed tensile properties are typical for Condition A of ASTM A276; annealed hardness is the specified maximum. |
|||||
420 Stainless Steel Physical Properties
The table below provides the physical properties of grade 420 stainless steels in their annealed state:
Table 3 - Physical properties of annealed grade 420 stainless steels
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion |
Thermal Conductivity |
Specific Heat 0-100°C |
Electrical Resistivity (nΩ.m) |
|||
|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
|||||
|
420 |
7800 |
200 |
10.3 |
10.8 |
11.7 |
24.9 |
- |
460 |
550 |
Grade Specification Comparison
The proximate grade specifications of 420 stainless steels are given in the table below: (These specifications are for functionally similar materials. Original specifications can be referred to for exact equivalents.)
Table 4 - Grade comparisons of grade 420 stainless steels
|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
||
|
BS |
En |
No |
Name |
||||
|
420 |
S42000 |
420S37 |
56C |
1.4021 |
X20Cr13 |
2303 |
SUS 420J1 |
Possible Alternative Grades
The following table gives the suitable alternative grades to grade 420 stainless steels:
Table 5 - Possible alternative grades of grade 420 stainless steels
|
Grade |
Reasons for choosing grade 420 |
|
410 |
Only a lower hardened strength is needed. |
|
416 |
High machinability is required, and the lower hardened strength and lower corrosion resistance of 416 is acceptable. |
|
440C |
A higher hardened strength or hardness than can be obtained from 420 is needed. |
|
“Specials” |
Variations of 420 are available to special order. These offer higher hardness, corrosion resistance and machinability for particular applications. |
420 Stainless Steel Corrosion Resistance
Under hardened conditions, grade 420 steels are resistant to fresh water, alkalis, air, foods and mild acids. The steel grades with a smooth surface finish have excellent performance. The corrosion resistance properties of grade 420 will tend to fall under annealed conditions. The corrosion resistance of grade 420 is lower than that of the grade 430 Ferritic alloys with 17% chromium, grade 410 steels and other austenitic grades.
This steel grade finds application in cutlery such as carving knives, table knives and so on. Grade 420 steels have good corrosion resistance against food, but continuous exposure of metals to unwashed food substances can lead to pitting corrosion.
420 Stainless Steel Heat Resistance
Grade 420 stainless steels have a scaling resistance at temperatures of up to 650°C. However, temperatures above standard tempering temperature are not suitable for this grade.
420 Stainless Steel Heat Treatment
Annealing – Grade 420 stainless steels can be heated at temperatures from 840 to 900°C, followed by slow furnace cooling at 600°C and then air-cooling.
Process Anneal – Grade 420 can be annealed at 735 to 785°C and air-cooled.
Hardening – This process involves heating grade 420 steels at 980 to 1035°C, followed by air or oil quenching. Oil quenching is usually preferred for heavy metal sections. Tempering is performed at 150 to 370°C to achieve high hardness and good mechanical properties. Grade 420 should not be tempered between 425 and 600°C.
420 Stainless Steel Welding
Grade 420 stainless steels are welded using welding rods, coated with grade 420 metals, to achieve high-strength joints. During the process, steels are pre-heated at 150 to 320°C and post-heated to 610 to 760°C. In the “as welded” condition, parts are welded using grade 309 filler rods to achieve ductile joints. However, grade 309 electrodes or rods are recommended for welding grade 420 steels by AS 1554.6.
420 Stainless Steel Machining
Grade 420 steels can be easily machined in their annealed state, but they are difficult to machine having a hardness greater than 30HRC. One of the most readily available machined alternatives is the free-machining grade 416 steels.
420 Stainless Steel Applications
The key applications of grade 420 stainless steels include:
- Shear blades
- Needle valves
- Surgical equipment
- Cutlery
420 Stainless Steel Bar standard sizes & availability
| Sizes | Availability | |
|---|---|---|
| 420 Stainless Steel Bar | 6mm |  |
| 420 Stainless Steel Bar | 8mm | |
| 420 Stainless Steel Bar | 10mm | |
| 420 Stainless Steel Bar | 12mm | |
| 420 Stainless Steel Bar | 13mm | |
| 420 Stainless Steel Bar | 16mm | |
| 420 Stainless Steel Bar | 19mm | |
| 420 Stainless Steel Bar | 22mm | |
| 420 Stainless Steel Bar | 28mm | |
| 420 Stainless Steel Bar | 40mm | |
| 420 Stainless Steel Bar | 60mm | |
| 420 Stainless Steel Bar | 75mm | |
| 420 Stainless Steel Bar | 90mm | |
| 420 Stainless Steel Bar | 120mm | |
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