1. Standards:
ASTM A53, ASME SA53, ASTM A106, ASME SA106, ASTM A179, ASME SA179, ASTM A192, ASME SA192, ASTM A210, ASME SA210, ASTM A213, ASME SA213, DIN1629, DIN 17175, JIS, BS, API 5L and so on.

2. Function:
Seamless steel tubes for manufacturing pipelines, vessels, equipment and mechanical structures

3. Models of major grade steeI tubes:
ASTM A53 Grade Aor Grade B, ASTM A106 Grade Aor Grade B, A 179, 1 192, ASTM A210-A1, ASME SA210-A1, ASTM A213 -t11, ASME SA213-t11, ASTM A213 -t12, ASME SA213-t12, ASTM A213 -t13, ASME SA213-t13, API 5L X 42 X 52, DIN1629 st 37.0, st 44.0, DIN 17175 st 35.8, st 45.8, 13CrMo 44, BS 3059-1 320, BS 3059-2 360, 440 620, JIS G 3461 STB 340 and etc.

4. Size(specification): Outside Diameter: 15.7-219 mm; Wall Thickness: 1.65-40mm;