AISI 420 ​Stainless steel round bar

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A leading stockholder and distributor for quality Stainless Steel and Super Duplex steels.
Located in Perth, Western Australia. We ship worldwide from stock or indent order.

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420 is a martensitic stainless steel with 12% Chromium  which is sufficient to give good corrosive resistance properties. .It’s best corrosive resistance is when hardened and surface is ground or polished.It has good ductility in the annealed condition but can be hardened up to 500HB (highest of the chromium grades). Martensitic grades are known for high hardness and allowances must be made for poor weldability and usually allowances for a final harden and temper treatment. 
Steel is magnetic and welding is not recommended. 

Specifications available from stock or indent
AISI 420
EN 1.4021
UNS S42000
Werkstoff 1.4021 X20Cr13

Common Trade Names
420, 420 Stainless

Applications

• Knives
• Surgical Instruments
• Fasteners
• Shafts
• Spindles
• Plastic molds

Click here for data sheet or click here for stock list.

Stocking Distributor of AISI 420 Round Bar
Specialty Metals
​Stock Holder of Quality Material

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​AISI 420 Stainless Steel Round BarSpecialty Metals stocking range of quality stainless steel round bar includes the following materials.

Duplex Stainless Steel Round Bar 
2205 ASTM A182-F51 (UNS S31803): 25.4, 50.8
ASTM A276, A484

Super Duplex Stainless Steel Round Bar
2507 ASTM A182-F53 (UNS S32750): 25.4, 38.1, 50, 76.2, 101.6, 152.4, 203.2, 254.0
ASTM A276 - 13, ASTM A479 / 479M -13a, NACE MR 0175 ISO15156-1 2009
Zeron 100 ASTM A182-F55 (UNS S32760): 50.8, 63.5, 76.2, 101.6
ASTM A276-13a / A479 /A479M-4, ASME SecII Part A-SA 478 / SA-479M 2013
Norsok 630 Ed.5, Norsok MDS - D 57 Rev. 4 09/10, Norsok M-650 Ed. 4, NACE MR 0175 ISO 15156-3 2009, NACE MR 0103 2012
Ferralium ASTM A182-F61 (UNS S32550): 50.8, 101.6, 152.4
ASTM A479, MLA-MPS-SD-BAR Rev 5, Norsok M-650, Norsok MDS D57 Rev 4

Austenitic Stainless Steel Round Bar
Nitronic 50 (XM-19, UNS S20910) : 44.45, 50.8, 76.2, 79.735, 88.9, 101.6, 114.3
ASTM A276 XM-19 (A), ASTM A479 XM-19 (A), NACE MR0175 ISO15156-3
Nitronic 60 (A218, UNS S21800): 50.8, 76.2
ASTM A276 -10, ASTM A479/A479M-11

Martensitic Stainless Steel Round Bar
410SS (UNS S41000): 38.1, 50.8, 76.2, 101.6, 152.4, 203.2
AISI 410QT
ASTM A182, ASTM A276, ASTM A473, ASTM A479
JIS G4303 SUS410
NACE MR0175

420SS (UNS S42000): 38.1, 50.8, 76.2, 101.6, 152.4, 203.2
AISI 420QT
ASTM A276
JIS G4303 SUS420J2
NACE MR0175
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Precipitation Hardened Stainless Steel Round Bar
630SS (17-4/PH, UNS S63000): 25.4, 38.1, 50.8, 76.2, 101.6, 152.4, 203.2, 215, 304.8
ASTM A564/ A 564M-13, ASME Sec II Part A-SA 564 / SA 564M 2013
NACE MR 0175 ISO15156-1 2009, API 6A ed.20ISO10423 Ed. 10 And 11/13

We have full traceability and supply our Material Certs with every order.

See our current stock list for details.