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1、国标无缝管多种原则：GB/T8162构造用无缝钢管；GB/T8163输送流体用无缝钢管；GB3087低中压锅炉用无缝钢管；GB9948石油裂化用无缝钢管；GB6479化肥设备用高压无缝钢管；GB5310高压锅炉用无缝钢管；GB/T5312船舶用碳钢和碳锰钢无缝钢管等其他无缝钢管原则：ASTM 、 API 5L 、 DIN 、 JIS ；涉及：中低压锅炉用无缝钢管、高压锅炉用无缝钢管、船舶用无缝钢管、输送流体用无缝钢管、石油裂化用无缝钢管、化肥设备用无缝钢管、构造用无缝钢管、空心抽杆用无缝钢管；材质有20G、10#、20#、35#、45#、16Mn、27SiMn、20Cr、40Cr、15CrMo
2、、35 CrMo、42 CrMo、12 CrMoV、10 CrMo910石油裂化管 GB9948-1988（热轧）尺寸公差原则尺寸容许偏差GB9948-1988外径1591.00%1591.25%壁厚2012.5%2010.0%原则纵向力学性能交货状态GB9948-1988钢号抗拉强度(MPa)屈服强度(MPa)延伸率(%)冲击(J)布氏硬度不不不小于不不小于热轧态10330-49020524-20410-502452139-12CrMo410-5602052155156回火解决15CrMo440-64023521471701Cr2Mo(390)(175)(22)(79)(79)回火解决化学成
3、分钢号CMnSiCrMoNiSP100.07-0.140.35-0.650.17-0.370.15-0.250.0350.035200.17-0.240.35-0.650.17-0.370.25-0.250.0350.03512CrMo0.08-0.150.40-0.700.17-0.370.40-0.700.40-0.550.300.0350.03515CrMo0.12-0.180.40-0.700.17-0.370.80-1.100.40-0.550.300.0350.0351Cr2Mo0.150.30-0.600.50-1.002.15-2.850.45-0.650.300.0350.0
4、30套管GB/T 8162尺寸偏差项目容许偏差外径管体D101.60mm0.79mmD114.30mm +1.0% -0.5%接箍1%壁厚-12.5%重量单根+6.5%+3.5%车载量-1.75螺纹参数容许偏差品种规格锥度螺距齿高螺纹角度螺纹长度管端倒角紧密距每英寸合计管体螺纹接箍螺纹圆螺纹油管2 3/8-5 1/210牙/in+5.208 -2.6000.0760.152+0.051 -0.1021 2/21 1/2P+5 -01 1/2P1 1/2P8牙/in+5.208 -2.6000.0760.152+0.051 -0.1021 2/21P+5 -01P1P圆螺纹套管 4 1/2-4
5、1/2+5.208 -2.6000.0760.152+0.051 -0.1021 2/21P+5 -01P1PP偏梯形螺纹套管接箍+4.50 -2.500.0510.1020.025-+5 -0+1 1/2P -0+0 -1 1/2P管子完整螺纹+3.50 -1.50不完整螺纹+4.50 -1.50机械性能纲级屈服强度(MPa)抗拉强度(MPa)延伸率最低最低最低最低PsiMpaPsiMpaPsiMpaHRCBHNJ-55550003798000055275000517-K-55550003798000055295000655-N-808000055211000758100000689-L-8
6、0-180000552950006559500065523241C-909000062110500072410000068925.4255C-9595000655110000758105000724-T-959500065511000075812500072425.4255P-110110000758140000965100000862-M-6565000448850005861000006892223580 SS830005709900068010000068923241BG80T80000552110000758100000689-BG110T11000075814000096512500
7、0862-钻杆 API SPEC 5D、API SPEC 7尺寸公差外径、壁厚、重量、容许偏差项 目容许偏差管体外径D101.6mm 0.79mm D114.3mm +0.1% -0.5%壁厚-12.5%重量单根+6.5% -3.5%车载量-1.75%螺纹参数容许偏差名称锥度 mm/m螺距每英寸 mm紧密距 mm钻杆 2 7/8-5公端+2.5 -00.038+0.254mm -0.127mm母端+0 -2.500.038+0 -0.254化学成分钢级化学成分PSE-750.0300.030X-950.0300.030G-1050.0300.030S-1350.0300.030工具接头0.03
8、00.030机械性能管体钢级屈服强度抗拉强度延伸率(%)硬度夏氏冲击力最低最高最低最高最低PsiMPaPsiMPaPsiMPaHBHRC平均值单个值E-7575000517105000724100000689625000A0.2/U0.9-5447X-9595000655125000862105000724-5447G-105105000724135000931115000793-5447S-13513500093116500011381450001000-5447焊缝工具接头10827.4-140000965.313%285-5447E-7578000517-100000689-372418
9、X-9588000609-103000712-372418G-10595000655-105000724-372418S-135105000724-115000793-372418化肥设备用高压管 GB6479-1986（热轧）尺寸公差原则尺寸(mm)容许偏差GB6479-1986外径159+1.25%，-1.0%159+1.25%，-1.5%壁厚3月20日+12.5%,-15%2012.5%原则纵向力学性能交货状态GB6479-1986钢号抗拉强度(MPa)屈服强度(MPa)延伸率(%)冲击(J)布氏硬度不不不小于不不小于热轧态10330-49020524-20410-502452139-1
10、2CrMo410-5602052155156回火解决15CrMo440-64023521471701Cr2Mo(390)-175-22-79-79回火解决化学成分钢号CMnSiCrMoNiSP100.07-0.140.35-0.650.17-0.370.15-0.250.0350.035200.17-0.240.35-0.650.17-0.370.25-0.250.0350.03512CrMo0.08-0.150.40-0.700.17-0.370.40-0.700.40-0.550.300.0350.03515CrMo0.12-0.180.40-0.700.17-0.370.80-1.100
11、.40-0.550.300.0350.0351Cr2Mo0.150.30-0.600.50-1.002.15-2.850.45-0.650.300.0350.030船舶用碳钢和碳锰钢GB/T5312-1999（热轧、挤压、扩管）尺寸公差外径(D)159159外径容许偏差1.0%(最小为0.5mm)1.25%壁厚(S)20S20D351壁厚容许偏差+15%,-10%(最小为+0.45mm,-0.30mm)10%15%纵向力学性能类别纲级抗拉强度(MPa)屈服点(MPa)延伸率（%）碳钢和碳锰钢360360-48021524410410-53023522490490-610285211Cr0.5Mo440440-600275222.25Cr1Mo410410-560235
