铬钼耐热钢号对比及焊材选用.doc

表5 常用铬钼钢预热温度钢的公称成分（钢号）壁 厚mm预热温度0.5Cr-0.5Mo（12CrMo）101502001Cr-0.5Mo（15CrMo、ZG20CrMo）1Cr-0.5Mo-V（12Cr1MoV、ZG20CrMoV）62003001.5Cr-1Mo-V（ZG15Cr1Mo1V）2.25Cr-1Mo（12Cr2Mo）2Cr-0.5Mo-WV（12Cr2MoWVB）3Cr-1Mo-VTi（12Cr3MoVTiB）12Cr-1Mo-V5Cr-0.5Mo（1Cr5Mo）任意2503509Cr-1Mo国内、外铬钼耐热钢钢号、化学成分和力学性能 表A.1给出了国内、外常用铬钼耐热钢钢号对照；表A.2给出了国内、外常用铬钼耐热钢的化学成分和力学性能；表A.3给出了常用铬钼耐热钢钢管的化学成分和常温力学性能；表A.4给出了常用铬钼耐热钢钢板的化学成分和力学性能；表A.5给出了常用铬钼耐热钢锻件的化学成分和常温力学性能；表A.6给出了国外铬钼耐热钢板的化学成分和力学性能。表A.1 国内、外常用铬钼耐热钢钢号对照 公称成分国 内国 外钢 管钢 板钢 管钢 板GBJBASTMJISDINASTMJISC-0.5Mo15Mo20MoA335-P1 A209-T1 A250-T1STBA12 STFA1215Mo3A204 Gr.A A204 Gr.BA204 Gr.CSB46M SB49M0.5Cr-0.5Mo12CrMoA213-T2 A335-P2STBA20 STPA2013CrMo44（1.733 5）A387 Gr.2SCMV11Cr-0.5Mo15CrMo15CrMoRaA213-T12 A335-P12STBA22 STFA22 STPA2216CrMo44（1.733 7）A387 Gr.12SCMV21.25Cr-0.5Mo14Cr1MoA199-T11 A335-P11STBA23 STFA23 STPA23A387 Gr.11SCMV31Cr-0.5MoV12Cr1MoV13CrMoV42（1.770 9）2.25Cr-1Mo12Cr2Mo12Cr2Mo1A199-T22 A213-T22A200-T22 A335-P22STBA24 STFA24 STPA2410CrMo910（1.738 0）A387 Gr.22A387 Gr.22LSCMV45Cr-0.5Mo1Cr5Mo1Cr5MoA199-T5 A213-T5A200-T5 A335-P5STBA25 STFA25 STPA2512CrMo195（1.786 2）A387 Gr.5SCMV69Cr-1MoA199-T9 A213-T9A335-P9STBA26 STFA26X12CrMo91（1.738 6）X7CrMo91（1.738 8）A387 Gr.9 a 15CrMoR取自GB664596标准。表A.2 国内、外铬钼耐热钢管化学成分和力学性能公 称 成 分钢 号国 别化 学 成 分%力 学 性 能CMnSiSPCrMo抗拉强度b屈服强度s延伸率%冲击值kvJ/cm2MPakgf/mm2MPakgf/mm2C-0.5Mo20Mo中0.120.200.400.800.170.370.0300.0300.440.654152202235A335-P1美0.100.200.300.800.100.500.0250.0250.440.65380205STBA12STFA12日0.100.200.300.800.100.500.0350.0350.440.65392115Mo3德0.100.200.100.350.400.800.0350.0350.250.354661280.5Cr-0.5Mo12CrMo中0.080.150.400.700.170.370.0300.0300.400.700.400.5541056020521A213-T2A335-P2美0.100.200.300.610.100.300.0250.0250.500.810.440.653804221STBA20STPA20日0.100.200.300.600.100.500.0350.0350.500.800.400.65422113CrMo44德0.100.180.400.700.100.350.0350.0350.701.000.450.654560301Cr-0.5Mo15CrMo中0.120.180.400.700.170.370.0300.0300.801.100.400.554406402352135A213-T12A335-P12美0.050.150.300.610.500.0250.0250.801.250.440.6541522030STBA22 STFA22STPA22日0.150.300.600.500.0350.0350.801.250.450.65422116CrMo440.0350.0351.25Cr-0.5MoA335-P11A199-T11美0.050.150.300.600.501.000.0250.0251.001.500.450.6541517022SH/T 35202004STBA23STFA23日0.150.300.600.501.000.0300.0301.001.500.450.6542211112SH/T 35202004表A.2 国内、外铬钼耐热钢管化学成分和力学性能对照（续）公 称 成 分钢 号国别化 学 成 分%力 学 性 能CMnSiSPCrMo抗拉强度b屈服强度s延伸率%冲击值kvJ/cm2MPakgf/mm2MPakgf/mm21Cr-0.5Mo-V12Cr1MoV a中0.080.150.400.700.170.370.0300.0300.901.200.250.3547064025521352.5Cr-0.5MoCr2Mo中0.150.300.600.501.000.0300.0352.152.850.450.653901752292 bA199-T4美0.050.150.300.600.501.000.0250.0252.152.850.440.654151702.25Cr-1Mo12Cr2Mo中0.080.150.400.700.500.0300.0302.002.500.901.204506002802035A199-T22A213-T22A335-P22美0.050.150.300.600.500.0250.0251.902.600.871.13415170STBA24 STPA24STFA24日0.150.300.600.500.0300.0301.902.600.871.13422110CrMo910德0.080.150.400.700.500.0350.0352.002.500.901.204661295Cr-0.5Mo1Cr5Mo中0.150.600.500.0350.0354.006.000.450.6539059019522118 bA213-T5 A335-P5A199-T5美0.150.300.600.500.0250.0254.006.000.450.6541517022STBA25 STFA25 STPA25日0.150.300.600.500.0300.0304.006.000.450.65422112CrMo195德9Cr-1MoA335-P9美0.150.300.600.501.000.0250.0258.0010.000.901.1041520520A213-T9A199-T9美0.150.300.600.251.000.0250.0258.0010.000.901.1041520520STBA26 STFA26日0.150.300.600.251.000.0300.0308.0010.000.901.104221a 12Cr1MoV的含V量为0.15%0.30%。b U型缺口试验值。部分铬钼钢焊接材料的选用 表B.1给出了常用铬钼耐热钢焊接材料的选用；表B.2给出了异种钢焊接材料的选用及推荐的管道焊后热处理温度。表B.1 常用铬钼耐热钢焊接材料的选用钢 号焊 条氩弧焊丝熔化极气保焊丝埋弧焊丝埋弧焊剂型号GB 5118统一编号系列GB/T 14957电建牌号ASMEGB/T 14957GB/T 529315Mo 20MoE5015-A1R107ER70S-A112CrMoE5515-B1R207H13CrMoTIG-R30H13CrMoAHJ402-H10Mn215CrMoE5515-B2R307H13CrMoTIG-R30ER80S-B2H13CrMoAHJ402-H10Mn2ZG20CrMoVE5515-B2-VR317H08CrMoVTIG-R31H08CrMoVAHJ402-H10Mn212Cr1MoVE5515-B2-VR317H08CrMoVTIG-R31H08CrMoVAHJ402-H10Mn2ZG15Cr1Mo1VE5515-B2-VWR327H08CrMoVTIG-R31H08CrMoVAHJ402-H10Mn21Cr2MoE6015-B3R407H08Cr2Mo1TIG-R40H13Cr2.25Mo1AHJ402-H10Mn212Cr2MoE6015-B