成型工艺:采用冷加工,过球成型尺寸:无缝1/2”-4”(DN15-DN100)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-SCH80S材质:不锈钢, 镍铜