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.
DESIGNATION |
SYMBOL |
DESCRIPTION |
Cold drawn(rolled)-Hard |
+C/BK |
No heat treatment after the final colddrawing. |
Cold drawn(rolled)-Soft |
+LC/BKW |
After the final heat treatment,there is a suitable drawing pass. |
Stress relieved after cold draw(rolled) |
+SR/BKS |
After the final cold drawing,there is a stress relief heat treatment in a controlled atmosphere. |
Annealed |
+A/GBK |
After the final cold drawing,the tubes are annealed in a controlled atmosphere. |
Normalized |
+N/NBK |
After the final cold drawing,in a controlled atmosphere. |


KINGMETAL STEEL INDUSTRY CO.,LTD ,is a professional company in manufacturing and saling steel pipes and pipe fittings
( tee, elbow ,reducer ,flanges). we are an old company in this area ,we start from
1989 and have rich exporting experience .
Cooperating with us you will feel easy and safe !