Cold Drawn Seamless Carbon Steel JIS 3445 Stkm 11A Pipe for Automobile Spare Parts

Standard:JIS G3445, ASTM A519, DIN 2391, EN 10305-1, EN 10297 etc.
Steel Grade:STKM 11A - STKM 20A, SCM415 -SCM440; ST35, ST37, St45, St52, E195, E235, E355, 30CrMo4, 35CrMo4, SAE 1010, 1020, 1030,1045, 4130, 4140, 8620, 4340, 52100 etc.Process:Cold Drawn, Cold Rolled, Hot rolled+Cold Drawn.
Surface:Black painted,oil coated, Smooth, Bright,etc.
Application:
The pipes are widely used for the auto/motorcycle/agricultural machine/railway project/low-high pressure boiler tubes/bearing tubes/ships manufacturing industries/oil and other high standards & demand processing & manufacturing industries.
Advantages:
1.20 + years of production experience at your service.
2. The fastest delivery
3. The lowest price
4. Most comprehensive standards and materials for your choice.
5.100% export.
6. Our products EXPORT to Africa, Oceania, mid east, eastern Asia, Western Europe etc.DESIGNATIONSYMBOLDEscriptIONCold drawn(rolled)-Hard+C/BKNo heat treatment after the final colddrawing.Cold drawn(rolled)-Soft+LC/BKWAfter the final heat treatment,there is a suitable drawing pass.Stress relieved after cold draw(rolled)+SR/BKSAfter the final cold drawing,there is a stress relief heat treatment in a controlled atmosphere.Annealed+A/GBKAfter the final cold drawing,the tubes are annealed in a controlled atmosphere.Normalized+N/NBKAfter the final cold drawing,in a controlled atmosphere.