Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
1.thick wall thinkness
2. Size: OD 1/2"-48".
3. Wall thickness: 2mm-70mm
4. Applications: Petroleum, chemical, power, gas
Thick wall thinkness
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: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, et
3. Models of major grade steel tubes:
ASTM A53 Grade B, ASTM A106 Grade B, A 179, ASTM192, 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. Dimension tolerance, Mechanical properties, and Chemical composition: Please refer to relevant standard or contact us.
5. Packing: light varnish, black oil ,Bundles wrapped with strong steel trips, caps on two ends of every pipe or according to customers' requests.
6. Payment terms: T/T, L/C at sight, D/P at sight.
7.Price terms: FOB, CFR, CIF, CIP.
8. Surface: Oiled or black painted to prevent rust.