钢材化学成分.doc

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1、.KSD3752-1986[SM-C]机械结构用碳素钢钢板编号化学成分(%)CSiMnPS其他SM10C0.08~0.130.15~0.350.30~0.600.030max.0.035max.Cu:0.30max.Ni:0.20max.Cr:0.20max.Ni+Cr:0.35max.SM12C0.13~0.18SM15C0.13~0.18SM17C0.15~0.20SM20C0.18~0.23SM22C0.20~0.25SM25C0.22~0.28SM28C0.25~0.310.60~0.90SM30C0.27~0.33SM33C0.30~0.36SM35C0.32~0.

2、38SM38C0.35~0.41SM40C0.37~0.43SM43C0.40~0.46SM45C0.42~0.48SM48C0.45~0.51SM50C0.47~0.53SM53C0.50~0.56SM55C0.52~0.58SM58C0.55~0.612.JISG4051-1979[S-C]机械结构用碳素钢板编号化学成分(%)CSiMnPSSM10C0.08~0.130.15~0.350.30~0.600.030max.0.035max.SM12C0.13~0.180.15~0.350.30~0.600.030max.0.035max.SM15C0.13~0.180.15

3、~0.350.30~0.600.030max.0.035max.SM17C0.15~0.200.15~0.350.30~0.600.030max.0.035max.SM20C0.18~0.230.15~0.350.30~0.600.030max.0.035max.SM22C0.20~0.250.15~0.350.30~0.600.030max.0.035max.SM25C0.22~0.280.15~0.350.30~0.600.030max.0.035max.SM28C0.25~0.310.15~0.350.30~0.600.030max.0.035max.SM30C0.27

4、~0.330.15~0.350.30~0.600.030max.0.035max.SM33C0.30~0.360.15~0.350.30~0.600.030max.0.035max.SM35C0.32~0.380.15~0.350.30~0.600.030max.0.035max.SM38C0.35~0.410.15~0.350.30~0.600.030max.0.035max.SM40C0.37~0.430.15~0.350.30~0.600.030max.0.035max.SM43C0.40~0.460.15~0.350.30~0.600.030max.0.035max.

5、SM45C0.42~0.480.15~0.350.30~0.600.030max.0.035max.SM48C0.45~0.510.15~0.350.30~0.600.030max.0.035max.SM50C0.47~0.530.15~0.350.30~0.600.030max.0.035max.SM53C0.50~0.560.15~0.350.30~0.600.030max.0.035max.SM55C0.52~0.580.15~0.350.30~0.600.030max.0.035max.SM58C0.55~0.610.15~0.350.30~0.600.030max.

6、0.035max.3.铸型用钢板(POSMOLD)扁龋化学成分(%)备注CSiMnPSPOSMOLD:POSMOLD10.47~0.530.15~0.350.60~0.900.030max.0.020max.POSCOMOLDBASEPOSMOLD20.38~0.430.15~0.350.60~0.900.0300.020max.max.4.SAEJ403-1984结构用碳素钢板编号化学成分(%)CMnPS10060.08max.0.45max.0.035max.0.040max.10080.10max.0.50max.0.035max.0.040max.10090.15ma

7、x.0.60max.0.035max.0.040max.10100.08~0.130.30~0.600.035max.0.040max.10120.10~0.150.30~0.600.035max.0.040max. 10150.12~0.180.30~0.600.035max.0.040max.10160.12~0.180.60~0.900.035max.0.040max.10170.14~0.200.30~0.600.035max.0.040max.10180.14~0.200.60~0.900.0