气瓶用无缝钢管机械机能//气瓶用无缝钢管价格表

　气瓶用无缝钢管标准：GB 18248国度标准JIS G3429日本工业标准用处：实用于制造高压容器、气瓶用无缝钢管。 重要临盆钢管商标：37Mn、34Mn2V、30CrMo、35CrMo、STH11、STH12、STH21、STH22等。 机械机能：标准商标抗拉强度(MPa)屈从强度(MPa)伸长率(%)GB 1824837Mn≥750≥630≥1634Mn2V≥745≥530≥1630CrMo≥930≥785≥1235CrMo≥980≥835≥12化学成分：标准商标化学成分CSiMnP、SCuNiMoCrVGB1824837Mn0.340.400.100.301.351.65≤0.030≤0.20≤0.30/≤0.30/34Mn2V0.300.370.170.371.401.75≤0.030≤0.20≤0.30/≤0.300.070.1230CrMo0.260.340.170.370.400.70≤0.030≤0.20≤0.300.150.250.801.10/35CrMo0.320.400.170.370.400.70≤0.030≤0.20≤0.300.150.250.801.10/JIS G3429STH11≤0.500.100.35≤1.80≤0.035/////STH120.300.410.100.351.351.70≤0.030/////STH210.250.350.150.350.400.90≤0.030/≤0.250.150.300.801.20/STH220.330.380.150.350.400.90≤0.030/≤0.250.150.300.801.20/