LSAW Steel Pipe metal pipe seamless pipe
Product Details(Feature/Advantages)
Delong Metal is group company in the steel manufacture & Trading, founded in the 2000s, 800+ staff, 25, 000+ m2 non-dust workshop, 40+ great large mills and cooperation partners in China, 4000, 000+ MT production per year under ISO management, 40, 000+customers in domestic and overseas market, 10 billion USD of annual turnover, 15+ subsidiary companies all over China, ranking the Top 100 private enterprises in China, 1 hour reach Shanghai/Tianjin /Guangzhou Port, we keep high quality, competitive price, thousands tons of stock, most efficient delivery and reliable cooperation for global valued customers.
In recent years, our company has always occupied the market with high-quality products. The products are exported to Southeast Asia, Central Asia, North Africa, South America and other regions. We always give the buyer high-quality products, low prices, good service, one-time cooperation for lifelong friends. Welcome domestic and international friends to inquire for a better future together!
The UOE LSAW STEEL PIPE mill features the most advanced technology and process, achieves high production efficiency, stable product quality and is equipped with complete inspection equipment. UOE mill adopts U & O forming, the formed pipes are welded inside through five internal welding stations with three wires, and welded outside through four external welding stations with three wires. In accordance with different requirements of the customers, the welded pipe can be expanded either by mechanical or hydrostatic expand to improve dimensional accuracy, and eliminate residual stress.
Specifications
Outside Diameter 508mm- 1118mm (20″- 44″)
Wall Thickness: 6.0-25.4mm 1/4″-1″
Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length: 9-12.3m (30′- 40′)
Grades: API 5L A-X90,GB/T9711 L190-L625
| Tolerance of Outside Diameter and wail Thickness | ||||||
| Types | Standard | |||||
| SY/T5040- 2000 | SY/T5037-2000 | SY/T9711.1-1977 | ASTM A252 | AWWC200- 97 | API 5L PSL1 | |
| Tube end OD deviation | ±0.5%D | ±0.5%D | -0.79mm~+2.38mm | <±0.1 %T | <±0.1 %T | ±1.6mm |
| wall thickness | ±10.0%T |
D<508mm, ±12.5%T |
-8%T~+19.5%T | <-12.5%T | -8%T~+19.5%T | 5.0mm<T<15.0mm, ±0.11 |
| D>508mm, ±10.0%T | T≥15.0mm, ±1.5mm | |||||
| Chemical Composition and Mechanical Properties | ||||||||
| Standard | Grade | Chemical Composition(max)% | Mechanical Properties(min) | |||||
| C | Mn | Si | S | P | Yield Strength(Mpa) | Tensile Strength(Mpa) | ||
| GB/T700-2006 | A | 0.22 | 1.4 | 0.35 | 0.050 | 0.045 | 235 | 370 |
| 8 | 0.2 | 1.4 | 0.35 | 0.045 | 0.045 | 235 | 370 | |
| C | 0.17 | 1.4 | 0.35 | 0.040 | 0.040 | 235 | 370 | |
| D | 0.17 | 1.4 | 0.35 | 0.035 | 0.035 | 235 | 370 | |
| GB/T1591-2009 | A | 0.2 | 1.7 | 0.5 | 0.035 | 0.035 | 345 | 470 |
| B | 0.2 | 1.7 | 0.5 | 0.030 | 0.030 | 345 | 470 | |
| C | 0.2 | 1.7 | 0.5 | 0.030 | 0.030 | 345 | 470 | |
| BS En10025 | S235JR | 0.17 | 1.4 | – | 0.035 | 0.035 | 235 | 360 |
| S275JR | 0.21 | 1.5 | – | 0.035 | 0.035 | 275 | 410 | |
| S355JR | 0.24 | 1.6 | – | 0.035 | 0.035 | 355 | 470 | |
| DIN 17100 | ST37-2 | 0.2 | – | – | 0.050 | 0.050 | 225 | 340 |
| ST44-2 | 0.21 | – | – | 0.050 | 0.050 | 265 | 410 | |
| ST52-3 | 0.2 | 1.6 | 0.55 | 0.040 | 0.040 | 345 | 490 | |
| JIS G3101 | SS400 | – | – | – | 0.050 | 0.050 | 235 | 400 |
| SS490 | – | – | – | 0.050 | 0.050 | 275 | 490 | |
| API 5L PSL1 | A | 0.22 | 0.9 | – | 0.03 | 0.03 | 210 | 335 |
| B | 0.26 | 1.2 | – | 0.03 | 0.03 | 245 | 415 | |
| X42 | 0.26 | 1.3 | – | 0.03 | 0.03 | 290 | 415 | |
| X46 | 0.26 | 1.4 | – | 0.03 | 0.03 | 320 | 435 | |
| X52 | 0.26 | 1.4 | – | 0.03 | 0.03 | 360 | 460 | |
| X56 | 0.26 | 1.1 | – | 0.03 | 0.03 | 390 | 490 | |
| X60 | 0.26 | 1.4 | – | 0.03 | 0.03 | 415 | 520 | |
| X65 | 0.26 | 1.45 | – | 0.03 | 0.03 | 450 | 535 | |
| X70 | 0.26 | 1.65 | – | 0.03 | 0.03 | 585 | 570 | |
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