尺寸:无缝1/2”-20”(DN15-DN500),有缝 1/2”-48”(DN15-DN1200)标准:GB/T12459,GB/T13401,SH3408,SH3409,HG/T21635,HG/T21631,ASME B16.9,MSS SP-43,DIN 2605,JIS B2313
壁厚:SCH5S-SCH160材质:不锈钢,碳钢,低合金钢,合金钢