Alloy 420 is available in Bar (Hexagon, Round, Square, Flat), Billet, Wire, Strip. For all stock availability of contact Sales.
| Grade | US Aerospace/Military | US Commercial | British Specification | European Specification | Other |
| 420 | AMS 5506 Sheet / strip / plate AMS 5620 Bars / forging AMS 5621 Bars / wire / forgings QQ-S-763 |
ASTM A276 / ASME SA276 ASTM A314 / ASME SA314 ASTM A484 / ASME SA484 ASTM A580 / ASME SA580 |
BS 970; 420S37 / 420S29 / 420S45 EN56B / EN56C / EN56D |
Werkstoff 1.3541 Werkstoff 1.4024 Werkstoff 1.4028 AFNOR Z20C13 |
UNS S42000 |
| Chemical Composition Limits | |||||||||||
| Weight % | C | P | Si | Fe | Mn | S | Cr | ||||
| Alloy 420 | 0.15 min | 0.040 max | 1.00 max | Bal | 1.00 max | 0.030 max | 12-14 | ||||
Alloy 420 is a martensitic stainless steel of the 12% Chromium type. Due to it's Chromium content 420 will achieve high hardness. Alloy 420 is used in many different applications including surgical and dental instruments, scissors, needle valves, gears, ball bearings, magnets etc. Alloy 420 should not be used for springs or heavily stressed parts that require to be operated at sub-zero temperatures.
| Material | Tensile Strength (Mpa) | Proof Stress 0.2% (MPa) | % Elongation in 2" | % Reduction of Area | Hardness Brinell |
| Alloy 420 Ann Room Temp 1" Round Bar |
655 | 345 | 25 | 55 | 196 |
Specifications
AMS 5506 Sheet / strip / plate
AMS 5620 Bars / forging (free mach)
AMS 5621 Bars / wire / forgings
QQ-S-763
ASTM A276 / ASME SA276
ASTM A314 / ASME SA314
ASTM A484 / ASME SA484
ASTM A580 / ASME SA580
BS 3S62
BS 970; 420S37 / 420S29 / 420S45
EN56B / EN56C / EN56D
Werkstoff 1.3541
Werkstoff 1.4024
Werkstoff 1.4028
AFNOR Z20C13
UNS S42000
Harsh Steel export Stainless Steel 420 to below countries.
Harsh steel is a major stockist and Exporter of Stainless Steel 420 to many countries of the world such as Singapore, Brisbane, Sydney, Melbourne, Australia, Houston, TX, San Diego, San Francisco, Atlanta, USA, Brentford, United Kingdom, Phoenix, Ireland, New Zealand and Canada, Western Australia , Queensland, New South Wales, South Australia, Victoria, Australian Capital Territory, Tasmania, Northern Territory, Ontario, British Columbia, Yukon Territory, Alberta, Manitoba, Saskatchewan, New foundland, Prince Edward Island, New Brunswick, Nova Scotia, Eastern Cape, Gauteng, Kwazulu-Natal, Western Cape, England, Scotland, Wales, Northern Ireland, Lagos, Abuja Capital Territory, Vadodara, Mumbai, Chennai, New Delhi, Mahape, Gurgaon, Noida, Bangalore, Coimbatore, Cochin, Ash Sharqiyah, Ar Riyad, Makkah, Dhahran, Riyadh, Jiddah, Jeddah, Masqat, Kwazulu-Natal, Gauteng, Western Cape, Free State, Eastern Cape, Alberta, Saskatchewan, British Columbia, Newfoundland, New Brunswick, Manitoba, Ontario, Nova Scotia, Quebec, Calgary, Edmonton, Vancouver, Toronto, Birmingham, Brentford, Manchester, Bristol, Sheffield, Milton Keynes, London, Poplar, Edinburgh, Thames Ditton.