Q245R(R-HIC)Q245R(R-HIC)价格

Q245R (R-HIC)交货状态：正火

Q245R (R-HIC)产地：舞钢

Q245R (R-HIC)执行标准：WYJ（舞研技）

腐蚀试验做氢致Q开裂检验（HIC）和硫化物应力腐蚀（SSCC）检验

成分要求熔炼分析P≤0.015、S≤0.003；成品分析P≤0.015、S≤0.004

针对钢种的S、P要求又分为Ⅰ、Ⅱ、Ⅲ三个级别

 Ⅰ 熔炼 ≤0.015 ≤0.003

成品 ≤0.015 ≤0.004

Ⅱ 熔炼 ≤0.010 ≤0.002

成品 ≤0.010 ≤0.003

Ⅲ 熔炼 ≤0.008 ≤0.002

成品 ≤0.008 ≤0.002

Q245R (R-HIC)化学成分

                                      C             Si 

 熔炼分析                    ≤0.20      ≤0.35

 成品分析                    ≤0.20      ≤0.40 

                                      Mn           S

                               0.50-1.00     ≤0.002

                             0.45-1.05 S ≤0.002

                                      P             Alt 

                                 ≤0.008       ≥0.020 

                                 ≤0.008       ≥0.020

                                     Cu            Cr

                                   ≤0.25        ≤0.30 

                                   ≤0.25        ≤0.30

                                      Ni              Mo 

                                   ≤0.20        ≤0.08

                                   ≤0.20         ≤0.08

                                      Nb             V

                                   ≤0.050        ≤0.050

                                   ≤0.050        ≤0.050

                                      Ti                 O

                                   ≤0.030        ≤0.002

                                   ≤0.030        ≤0.002

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