Phone
+86-731-82250427
Address
25th floor, C3 Building, Wanda Plaza, Kaifu District, Changsha, Hunan Province, China.
| Material | 201;202;304;304L;310S;316;316L;409; |
| Size(Round) | 6--325 mm or customized |
| Size(Square&Rectangle) | 10*10-200*200&20*10-200*100 |
| Thickness | 0.25-6.0mm |
| Length | 6m or according to customer’s request |
| Out diameter | 0.7-325mm |
| Outer diameter | ±0.2mm |
| Tolerance: Thickness | ±2mm(0.7-1.0);±3mm(1.0-2.0);±5mm(2.0-3.0);±8mm(3.0-4.0); |
| ±10mm(4.0-6.0) | |
| Length | ±0.5mm |
| Process method |
Code drawn, annealed with nitrogen protection, ultrasonic, automatic shape, polished |
| Finishing | A: sanded B:400#-600# mirror C: hairline brushed D:TIN titanium |
| E: HL brushed & mirror (two kinds of finishing for one pipe) |
|
Chemical Composition |
|||||||
|
Material |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
|
201 |
≤0.12 |
≤0.75 |
9.5-12.5 |
≤0.045 |
≤0.03 |
13-16 |
0.8-1.5 |
|
304 |
≤0.08 |
≤0.75 |
≤2.0 |
≤0.045 |
≤0.03 |
18-19 |
8-10 |
|
316 |
≤0.08 |
≤1.00 |
≤2.0 |
≤0.035 |
≤0.03 |
10-14 |
16.0-18.5 |
|
430 |
≤0.12 |
≤0.75 |
≤2.0 |
≤0.04 |
≤0.03 |
16-18 |
≤0.6 |
Production Processing:
Pipes for production and transportation of oil and gas
Structural and mechanical components
Desalination equipment
Heat exchangers
Cooling pipes
1. Compared with the same industry, due to our more modern and more efficient equipment and 22 years of production experience, the delivery time can be greatly shortened and the cost can be better saved.
2.More modern welding equipment and technology
3. Our average delivery time is 10-15 days. Annual production: 800,000 tons
4. Research and development（R&D）：9% of the company's full-year net profit will be directly used for product development，
5. With 10 engineers with more than 15 years of R&D experience, new products are launched every 6 months.
