Cold drawn seamless steel pipes anealed treatment with black
1. Petroleum,Chemical enterprise, superheater of boiler, heat
2. High temperature resistant transmission fluid pipe in power
3. Ship with pressure pipe
4. The exhaust purification devices
5. Construction and ornament ect.
ASTM, JIS, EN, DIN, GB,ISO ,BS
Out diameter: 10mm-500mm.
Wall thickness: 2mm-50mm.
Length: Fixed length, random length, or as customer's requirement.
*The cold process can change the thickness of tube to meet client's
request and offer better mechanical property.
Black painting,anti-rust varnish,anti-rust oil,hot galvanized,3PE
coating, epoxy coating.
Cold drawn, hot rolled + cold drawn.
Chemical composition and mechanical properties
|Steel Grade||Chemical composition(%)||Mechanical properties|
|C||Si||Mn||P||S||Tensile Strength (MPa)||Yield Strength (MPa)||Elongation (%)|
|STKM13A||0.25 max||0.35 max||0.30-0.90||0.040 max||0.040 max||370 min||215 min||30 min|
BK, BKS, NBK, GBK ,BKW.
1. Plastic cap with both ends.
2. Coated with anti-rust oil.
3. Bundle package.
4. Wooden case package.
5. Container or bulk.
6. Special according to customer request.
According to standard or according the client's requirement.