1. Size: 4~168mm x0.5~12mm
2. Material Grade: St35(E235) St37.4 St45(E255) St52(E355) 20CrMo44 42CrMo4 20Cr4
3. Standard:DIN2393 EN10305
4. Condition: NBK(+N) GBK(+A) BK(+C) BKW(+LC) BKS(+SR)
Application: Used in hydraulic system, automobile, locomotive and military industry.
+C (BK): Glossy hard;
+LC (BKW): Glossy soft;
+SR (BKS): Glossy soft (tempered);
+A (GBK): Without scale, soft;
+N (NBK): Normalized
OD Tolerance |
4-30mm |
31-40mm |
41-50mm |
51-60mm |
61-70mm |
71-80mm |
81-90mm |
91-100mm |
| ±0.08mm |
±0.15mm |
±0.20mm |
±0.25mm |
±0.30mm |
±0.30mm |
±0.40mm |
±0.45mm |
| WT Tolerance |
±10% |
Our Advantages:
A. Over 20 years' experience in manufacturing Steel Pipes and Pipe Fittings
B. All of our products are totally for export
C. Professional International Trade Experience.
D. Be Strict With Quality Control.
E. Competitive Price.
F. Good Business Reliability, Responsible
Any of your inquiry will receive our best attention and is highly appreciated.
We believe we can support our customer well and grow stronger and stronger together.
We insist on good quality, good service, and competitive price
We are looking forward to the pleasure of serving you and achieving win-win cooperation.
Audited Supplier 
Audited Supplier 
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