Chemical composition

C(%) Si(%) Al(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
¨Q0.09 ¨Q1.0 0.75-1.50 ¨Q1.0 ¨Q0.04 ¨Q0.03 16.0-18.0 6.50-7.75

Applications

  • Heat-Resisting Stainless Steels
    Corrosion-Resisting Stainless Steels

Country Code

  • CNS

Standard

  • 31


Steel Type
631

Heat treatment


Relate Steel Type

Steel Type Country Code C(%) Si(%) Al(%) Mn(%) P(%) N(%) S(%) Cr(%)
631 CNS ¨Q0.09 ¨Q1.0 0.75-1.50 ¨Q1.0 ¨Q0.04 ¨Q0.03 16.0-18.0
0Cr17-Ni7A1 GB ¨Q0.09 ¨Q1.0 0.75-1.50 ¨Q1.0 ¨Q0.035 ¨Q0.03 16.0-18.0
SUS631 JIS ¨Q0.09 ¨Q1.0 0.75-1.50 ¨Q1.0 ¨Q0.04 0.75-1.50 ¨Q0.03 16.0-18.0
631 AISI ¨Q0.09 ¨Q1.0 0.75-1.50 ¨Q1.0 ¨Q0.04 ¨Q0.03 16.0-17.5
X7CrNi-A117-7 DIN ¨Q0.09 ¨Q1.0 ¨Q1.0 ¨Q0.045 0.75-1.50 ¨Q0.03 16.0-18.0