化学成分标准

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1、钢管元素牌号CSiMnPSCrNiMoVCuTiNbAlN备注20Cr1Mo1VNbTiB0.170.230.400.600.400.65≤0.03≤0.020.901.300.751.000.500.700.050.140.110.25B:0.005加入量DG1805-2005SA210C≤0.25≥0.100.701.35≤0.030≤0.030≤0.25DG1835-2005SA-213MT20.100.200.100.300.300.61≤0.025≤0.0250.500.810.440.65DG1836-2005SA-213

2、MSA-213T110.050.150.501.000.300.60≤0.025≤0.0251.001.500.440.65DG1843-2005SA-213MSA-213T120.050.15≤0.500.300.61≤0.025≤0.0250.801.250.440.65DG1843-2005SA-213MSA-213T220.050.15≤0.500.300.60≤0.025≤0.0251.902.600.871.13DG1843-2005SA-213MSA-213T230.040.10≤0.500.100.60≤0.030≤0

3、.0101.902.600.050.300.200.30W:1.451.75B:0.00050.0060.020.08≤0.03≤0.03DG1843-2005SA-213T910.080.120.200.500.300.60≤0.020≤0.0108.009.50≤0.400.851.050.180.250.060.10≤0.040.030.07DG1843-2005SA-213MSA-213T920.070.13≤0.500.300.60≤0.020≤0.0108.509.50≤0.400.300.600.150.25W:1.50

4、2.00B:0.0010.0060.040.09≤0.040.030.07DG1843-2005SA479Gr316≤0.081.00≤2.00≤0.045≤0.03016.018.010.014.02.003.00≤0.10SA47915NiCuMoNb5-6-4≤0.170.250.500.801.20≤0.025≤0.020≤0.301.001.300.250.500.500.800.0150.045Al（tot）≤0.050DG1882-2005DG1875-2005MRI/PS4018-200515NiCuMoNb5-6-4

5、≤0.170.250.500.801.20≤0.030≤0.025≤0.301.001.300.250.500.500.800.0150.045（t）0.0150.050？DG1882-200520#0.170.170.35≤≤≤≤≤GB3087-990.230.370.650.0350.0350.250.300.25GB/T699(熔炼成分)20G0.170.240.170.370.350.65≤0.030≤0.030≤0.25≤0.25≤0.15≤0.08≤0.20Al(s):≤0.010GB5310-95元素牌号CSiMnPSC

6、rNiMoVCuTiNbAlN备注15CrMoG0.120.180.170.370.400.70≤0.030≤0.0300.801.10≤0.300.400.55≤0.20GB5310-9512Cr1MoVG0.080.150.170.370.400.70≤0.030≤0.0300.901.20≤0.300.250.350.150.30≤0.20GB5310-9512Cr2MoWVTiB0.080.150.450.750.450.65≤0.030≤0.0301.602.100.500.650.280.420.080.18W:0.300

7、.55B:0.0020.008GB5310-1995SA672B70Cl22ASMEUNSN08810(Incoloy800H)0.050.10≤1.00≤1.50≤0.040≤0.01519.023.030.035.0≤0.750.150.600.150.60ASTMB407SA556MB2≤0.25≥0.100.290.93≤0.030≤0.020DG1840-2005SA556MC2≤0.25≥0.100.291.06≤0.030≤0.020DG1840-2005TP304H0.040.10≤0.75≤2.00≤0.040≤0.

8、03018.020.08.0011.0MRI/PS1033-2006DTP347H0.040.10≤0.75≤2.00≤0.040≤0.03017.020.09.0013.08×C≤（Nb+Ta）≤1.00%MRI/PS