Chemical composition

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) Ni(%)
0.75-0.95 ¨Q1.0 ¨Q1.0 ¨Q0.04 ¨Q0.03 16.0-18.0 ¨Q0.75 ¨Q0.6

Applications

  • Corrosion-Resisting Stainless Steels

Country Code

  • JIS

Standard

  • US440B


Steel Type
SUS440B

Heat treatment


Relate Steel Type

Steel Type Country Code C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%)
SUS440B JIS 0.75-0.95 ¨Q1.0 ¨Q1.0 ¨Q0.04 ¨Q0.03 16.0-18.0 ¨Q0.75
440B AISI 0.75-0.95 ¨Q1.0 ¨Q1.0 ¨Q0.04 ¨Q0.03 16.0-18.0 ¨Q0.75
X90Cr-MoV18 DIN 0.85-0.95 ¨Q1.0 ¨Q1.0 ¨Q0.045 ¨Q0.03 17.0-19.0 0.9-1.3