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21-4N
Standard
21-4N

21-4N

Standard: GB/T 1221 | Material:
Standard Steel Alloy
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Standard
GB/T 1221
Chemical Composition
ElementContent
C0.18-0.28
Cr19.0-21.0
Ni8.0-11.0
N0.35-0.55
Si2.00-3.00
Mn8.0-10.0
Product Description

Solution: Rm ≥750 MPa, Rp0.2 ≥400 MPa, A ≥25%. Valve

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