나선형 용접된 강 관

1. 물자: Q235A,Q235B,10#,20#,Q345(16Mn),L245(B),L290(X42),L320(X46),L360(X52),L390(X56),L415(X60), L450(X65),L485(X70),L290NB/MB(X42N/M),L360NB/MB(X52N/M),L390NB/MB(X56N/M),415NB/MB(X60N/M), L450MB(X65),L485MB(X70).

2. 외부 diameter:219-1220mm(8-48inch)

3. 벽 두께: 5-20 m m

4.Length: 6-20 m

5.Standard: API 5l, API 5 CT, ASTM A252, SY/T5040, API 5 L, EN10219, EN10217, ISO 3183

6.Surface:Painting/Oil/FBE/2PE/3PE/3PP 코팅

7.End: 경사진 / 일반 끝