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Steel: 1.2316
Corresponding Steel  
Grade and Chemical  
Composition:
Chemical Composition(%)
Standard/Steel Grade C Si Mn Cr Mo Ni P S
GB 3Cr17NiMo 0.30 ~ 0.40 ≤ 1.00 ≤ 1.00 16.00 ~ 17.50 0.80 ~ 1.30 0.60~1.00 ≤ 0.035 ≤ 0.020
AISI 422                
DIN 1.2316 0.33~0.45   1.00Max 1.50Max  15.5-17.5  0.80~1.30  1.00Max  0.030Max     0.030Max
JIS -    
Brief Introduction: Strong corrosion resistance, better than S-136 .Even material hardness, high purity, good mirror surface polishability.Easy to do heat treatment, size is stable after Q+T pre-hardened. Good thermal fatigue resistance.Good abrasion resistance and toughness, can rival with S-136, easy to weld up.Apply for producing plastic mould requires chemical corrosion resistance.Especially suitable for thermoplastic corrosion plastic.Suitable for small scale mould.
Shape & Dimension:

Forged Products:
Round: 60mm-300mm Flat: 40-240mm*100-610mm

Delivery Condition: Forged, Turned, Q+T
Note: Milled first and then make Q+T