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You are here: Home- News420 stainless steel Chemical Composition

420 stainless steel Chemical Composition

Posted:10/29/2015 4:32:24 AM

420 stainless steel plate is a high carbon martensitic stainless steel provides full corrosion resistance only in a hardened condition.  It is ideal for a more polished finish. It is generally supplied hardened and tempered either in the tensile range 700 - 850 Mpa (condition R) Brinell range 201 - 255.Type 420 Stainless Steel provides both outstanding corrosion resistance and exceptional wear resistance

420 Stainless Steel Plate Mechanical Properties

Annealed

ASTM A276

Yield Strength 0.2% Proof (Mpa)

345

Tensile Strength (Mpa)

655

Elongation (% in 50mm)

25

Hardness (HB)

241 max

420 Stainless Steel Plate Chemical Properties

Element    

Carbon

0.15 min

 

Manganese

 

1.00 max

Silicon

 

1.00 max

Phosphorus

 

0.040 max

Sulfur

 

0.030 mx

Chromium

12.0 min

14.0 max

Alloy 420 is used for a variety of applications where good corrosion and outstanding hardness is necessary. It is not usually used at temperatures exceeding 800oF (427oC) due to quick hardening and loss of corrosion resistance. 

As a 420 stainless steel supplier in China , If you need any kinds of 420 stainless steel , please contact us for more information by email or chat with our liveperson,we can give you the best service and price about 420 stainless steel !

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