China Seamless En 10305-4 DIN2391 E235 E335 Precision Steel Tube, Find details about China E235 Steel Tube, E335 Steel from Seamless En 10305-4 DIN2391 E235 E335 Precision Steel Tube
Standard | Material | Delivery | Surface | Sizes | |
DIN | 2391/1630/2445 | ST37.4 ST52.4 | NBK | 1) BA 2)Black phosphating 3) Galvanizing | OD2 -60mm × WT0.3 -10mm |
EN | 10305-4 | E235 E355 | (+)N | ||
BS | 3602 | CFS 360 |
| Zinc Layer thickness more than 8um | |
Other steel grades also available upon request |
SIZE TOLERANCE | |||||
NAME |
Scope (mm) |
GB Series (mm) |
DIN series (mm) | Enterprise internal control standards (mm) |
Special high-precision (mm) |
Out diameter
| 2-30 | ±0.10 | ±0.08 | ±0.05 | ±0.03 |
31-40 | ±0.15 | ±0.15 | ±0.05 | ±0.03 | |
41-50 | ±0.20 | ±0.20 | ±0.08 | ±0.03 | |
51-60 | ±0.25 | ±0.25 | ±0.08 | ±0.03 | |
Wall thickness | 0.3-10 | ±10%; MIN±0.15 | ±10% | ±10%; MIN±0.05 | ±10%; MIN±0.03 |
Surface treatment:Black painted, black varnish, transparent oil, hot galvanized, 3PE or as requested.
Application:
Automotive and mechanical pipes
Petroleum cracking pipes
High Pressure Boiler Pipe
Low and middle pressure fluid transportation pipeline
Chemical fertilizer equipment pipes
Heat exchanger pipes
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.