不锈钢四通
尺寸:无缝dn15-dn600
有缝dn15-dn1400
壁厚:sch5s-xxs
标准:gb/t12459,gb/t13401,sh3408,sh3409,asme b16.9,msssp-43,jisb 2313 en10253-4
材质:304/l/h,316l/h,317l,310s,321/h,904l,s31803,s32750