CANGZHOU QIANCHENG STEEL-PIPE CO.,LTD
Corporation passed the ISO9001-2000 international Quality Control System certification.，can supply API certificate, Lloyd’s certificate.
PRODUCT CATALOGUES
HOT-ROLLING SEAMLESS PIPE （material：20#、16Mn、ASTMA106 GR.B、A53B API 5L GR.B JIS STK 490 STKM 11A STKM 13 A STKM 13B DIN 17175 …… ）
21*2-7 27*2-8 34*3-9 42*3-10 48*3-10
60*3-11 73*3-11 76*3-11 88.9*3.5-11 89*3.5-11
101*3.5-11 108*4-11 114*5-15 140*5-18 168*6-18
203*6-20 267*8-20 299*8-25 351*9-35 355.6*9-35
402*10-35 406*4*10-35 457*10-35 500*10-35 508*10-35
560*10-30 609.6*10-30 660*10-30 711*10-30 762*10-30
813*10-30
ASTMSEAMLESS STEEL PIPE ,ERWSTEEL PIPE ,SEAMLESS STEEL PIPE ,SPIRAL WELDED STEEL PIPE .
