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 公司產品標準：GB/T14976-2002 GB/T13296-91 GB/T12770-91 GB/T12771-91
                   ASTM A312 A213 A269 A511 JIS G3459 G3463 G3468
                   GOST 9941-81 DIN17440 DIN17224 EN FR KR
     產品規格材質：無縫管:外徑范圍：2-780mm 壁厚范圍：0.5-35mm
                   焊 管: 外徑范圍： 10-1800mm 壁厚范圍：0.5-40mm
                  304(0Cr18Ni9) 304H(1Cr18Ni9) 304L(00Cr19Ni10)
                  321(0Cr18Ni10Ti) 316L(00Cr17Ni14Mo2) 316(0Cr17Ni12Mo2)
                  310S(0Cr25Ni20) 347H(0Cr18Ni11Nb)
                  另有301 202 201 200等材質。

product standard：GB/T14976-2002 GB/T13296-91 GB/T12770-91 GB/T12771-91
                       ASTM A312 A213 A269 A511 JIS G3459 G3463 G3468
                       GOST 9941-81 DIN17440 DIN17224 EN FR KR
     product material: Seamless pipe: outer dialect range：2-780mm thickness range：0.5-35mm
                       welded pipe:outer dialect range： 10-1800mm thickness range：0.5-40mm
                        304(0Cr18Ni9) 304H(1Cr18Ni9) 304L(00Cr19Ni10)
                        321(0Cr18Ni10Ti) 316L(00Cr17Ni14Mo2) 316(0Cr17Ni12Mo2)
                        310S(0Cr25Ni20) 347H(0Cr18Ni11Nb)
                        301 202 201 200 and so on.