탄소강 핀 관
DELLOK 흑색 도장 이음새가 없는 탄소강 배관 Sch40 / Sch80 / Sch160 Astm A106
DELLOK Sch40 / Sch80 / Sch160 Black Painting Seamless Carbon Steel Pipe Astm A106 Gr.B / Api 5L Specification COMMODITY NAME BLACK SEAMLESS CARBON STEEL PIPE/ TUBE (SMLS TUBE) MATERIAL GRADE 20#, Gr.b STANDARD ASTM A106 ( sch40; SCH80, SCH160), API 5L GR.B PSL1 PIPE SURFACE GALVANIZED, PAINTED ...