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新构造用不锈钢无缝钢管尺寸公差

发布时间:2023-06-15人气:
 构造用不锈钢无缝钢管标准:GB/T 149752002国度标准用处:实用于一般构造及机械构造尺寸公差:热轧(挤、扩)钢管冷拔(轧)钢管尺寸许可误差尺寸许可误差通俗级高等通俗级高等公称外径D68159±1.25%D±1.0%D公称外径D1030±0.30±0.02>3050±0.40±0.30>159426±1.5%D>50±0.9%D±0.8%D公称壁厚S<15+15%S12.5%S±12.5%S公称壁厚S≤3±14%S+12.5%S10%S≥15+20%S15%S>3+12.5%S10%S±10%S化学成份商标化学成分(质量分数)(%)CSiMnPSNiCrMoTi其它0Cr18Ni9≤0.07≤1.00≤2.00≤0.035≤0.0308.0011.0017.0019.001Cr18Ni9≤0.15≤1.00≤2.00≤0.035≤0.0308.0010.0017.0019.0000Cr19Ni10≤0.030≤1.00≤2.00≤0.035≤0.0308.0012.0018.0020.000Cr18Ni10Ti≤0.08≤1.00≤2.00≤0.035≤0.0309.0012.0017.0019.00≥5C%0Cr18Ni11Nb≤0.08≤1.00≤2.00≤0.035≤0.0309.0013.0017.0019.00Nb≥10C%0Cr17Ni12Mo2≤0.08≤1.00≤2.00≤0.035≤0.03010.0014.0016.0018.502.003.0000Cr17Ni14Mo2≤0.030≤1.00≤2.00≤0.035≤0.03012.0015.0016.0018.002.003.000Cr18Ni12Mo2Ti≤0.08≤1.00≤2.00≤0.035≤0.03011.0014.0016.0019.001.802.505C%0.701Cr18Ni12Mo2Ti≤0.12≤1.00≤2.00≤0.035≤0.03011.0014.0016.0019.001.802.505(C%0.02)0.800Cr18Ni12Mo3Ti≤0.08≤1.00≤2.00≤0.035≤0.03011.0014.0016.0019.002.503.505C%0.701Cr18Ni12Mo3Ti≤0.12≤1.00≤2.00≤0.035≤0.03011.0014.0016.0019.002.503.505(C%0.02)0.801Cr18Ni9Ti≤0.12≤1.00≤2.00≤0.035≤0.0308.0011.0017.0019.005(C%0.02)0.800Cr19Ni13Mo3≤0.08≤1.00≤2.00≤0.035≤0.03011.0015.0018.0020.003.004.0000Cr19Ni13Mo3≤0.030≤1.00≤2.00≤0.035≤0.03011.0015.0018.0020.003.004.0000Cr18Ni10N≤0.030≤1.00≤2.00≤0.035≤0.0308.5011.5017.0019.00N:0.120.220Cr19Ni9N≤0.08≤1.00≤2.00≤0.035≤0.0307.0010.5018.0020.00N:0.100.2500Cr17Ni13Mo2N≤0.030≤1.00≤2.00≤0.035≤0.03010.5014.5016.0018.502.003.000.120.220Cr17Ni12Mo2N≤0.08≤1.00≤2.00≤0.035≤0.03010.0014.0016.0018.002.003.000.100.221Cr17≤0.12≤0.75≤1.00≤0.035≤0.030*16.0018.000Cr13≤0.08≤1.00≤1.00≤0.035≤0.030*11.5013.501Cr13≤0.15≤1.00≤1.00≤0.035≤0.030*11.5013.502Cr130.160.25≤1.00≤1.00≤0.035≤0.030*12.0014.0000Cr18Ni5Mo3Si2≤0.0301.302.001.002.00≤0.035≤0.0304.505.5018.0019.002.503.00注:1. 1Cr18Ni9Ti不推荐应用。 2.*残存元素Ni≤0.60.机械机能:商标推荐热处理轨制力学机能密度/(kg/dm30)σb /Mpaσp0.2/Mpaδ5(%)不小于0Cr18Ni910101150℃,急冷520205357.931Cr18Ni910101150℃,急冷520205357.9000Cr19Ni1010101150℃,急冷480175357.930Cr18Ni10Ti9201150℃,急冷520205357.950Cr18Ni11Nb9801150℃,急冷520205357.980Cr17Ni12Mo210101150℃,急冷520205357.9800Cr17Ni14Mo210101150℃,急冷480175357.980Cr18Ni12Mo2Ti10001100℃,急冷530205358.001Cr18Ni12Mo2Ti10001100℃,急冷530205358.000Cr18Ni12Mo3Ti10001100℃,急冷530205358.101Cr18Ni12Mo3Ti10001100℃,急冷530205358.101Cr18Ni9Ti10001100℃,急冷520205357.900Cr19Ni13Mo310101150℃,急冷520205357.9800Cr19Ni13Mo310101150℃,急冷480175357.9800Cr18Ni10N10101150℃,急冷550245407.900Cr19Ni9N10101150℃,急冷550275357.9000Cr17Ni13Mo2N10101150℃,急冷550245408.000Cr17Ni12Mo2N10101150℃,急冷550275357.801Cr17780850℃,空冷或缓冷410245207.700Cr13800900℃,缓冷或750℃快冷370180227.701Cr13800900℃,缓冷410205207.702Cr13800900℃,缓冷470215197.7000Cr18Ni5Mo3Si29201150℃,急冷590390207.98
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