API 5L PSL1/2 ASTM A53 A106 Gr.B Welded Carbon Steel Pipe DN15-DN600 1.0-2.5Mpa Pressure Rating
Zhengde welded steel pipes are manufactured by rolling and forming steel plates or strips, then welding them together. Available in straight seam and spiral weld configurations, these pipes offer reliable performance for various industrial applications.
| DN Size | Welded Pipe (Ordinary) pg≤1.0Mpa |
Welded Pipe (Thickened) pg≤1.6Mpa |
Seamless Pipe (Hot Rolled) pg≤2.5Mpa |
Spiral Welded Pipe pg≤1.6Mpa |
|---|---|---|---|---|
| DN15 | 21.3×2.75 (1.25 kg/m) | 21.3×3.25 (1.44 kg/m) | ---- | ---- |
| DN20 | 26.8×2.75 (1.63 kg/m) | 26.8×3.5 (2.01 kg/m) | ---- | ---- |
| DN25 | 33.5×3.25 (2.42 kg/m) | 33.5×4 (2.91 kg/m) | 32×3.5 (2.46 kg/m) | ---- |
| DN32 | 42.3×3.25 (3.13 kg/m) | 42.3×4 (3.77 kg/m) | 38×3.5 (2.98 kg/m) | ---- |
| DN40 | 48×3.5 (3.84 kg/m) | 48×4.25 (4.58 kg/m) | 45×3.5 (3.58 kg/m) | ---- |
| DN50 | 60×3.5 (4.88 kg/m) | 60×4.5 (6.16 kg/m) | 57×3.5 (4.62 kg/m) | ---- |
| DN65 | 75.5×3.75 (6.64 kg/m) | 75.5×4.5 (7.88 kg/m) | 73×4 (6.81 kg/m) | ---- |
| DN80 | 88.5×4 (8.34 kg/m) | 88.5×4.75 (9.81 kg/m) | 89×4 (8.38 kg/m) | ---- |
| DN100 | 114×4 (10.85 kg/m) | 114×5 (13.44 kg/m) | 108×4 (10.26 kg/m) | ---- |
| DN125 | 140×4.5 (15.04 kg/m) | 140×4.5 (18.24 kg/m) | 133×4 (12.72 kg/m) | ---- |
| DN150 | 165×4.5 (17.81 kg/m) | 165×5.5 (21.63 kg/m) | 159×4.5 (17.14 kg/m) | 168×5 (20.1 kg/m) |
| DN200 | ---- | ---- | 219×6 (31.52 kg/m) | 219×5 (31.52 kg/m) |
| DN250 | ---- | ---- | 273×8 (52.28 kg/m) | 273×7 (45.92 kg/m) |
| DN300 | ---- | ---- | 325×8 (62.54 kg/m) | 325×7 (54.9 kg/m) |
| DN350 | ---- | ---- | 377×9 (81.67 kg/m) | 377×7 (63.87 kg/m) |
| DN400 | ---- | ---- | 426×9 (92.55 kg/m) | 426×7 (72.33 kg/m) |
| DN450 | ---- | ---- | 480×9 (104.53 kg/m) | 478×7 (81.31 kg/m) |
| DN500 | ---- | ---- | 530×9 (115.62 kg/m) | 529×7 (90.11 kg/m) |
| DN600 | ---- | ---- | 630×9 (137.82 kg/m) | 630×7 (107.5 kg/m) |
Simple production process with high efficiency and low cost. Available in LSAW and ERW configurations. Ideal for smaller diameter applications.
Higher strength than straight seam pipes. Suitable for larger diameters using narrow billets. Used in oil/gas transportation, pipe piles, and bridge piers.
Cold-formed hollow steel sections with typical delivery lengths of 4000mm-12000mm.
Diameter range: 400-3000mm, wall thickness: 4-300mm. Available in hot-rolled and cold-rolled variants.
- Strict compliance with API 5L, ASTM A53, A106 Gr. B, JIS, DIN standards
- Competitive pricing with real market-based discounts
- Secure transaction processing and financial protection
- Comprehensive after-sales support and service
- Long-term partnership commitment with consistent quality
Shandong Zhengde Metal Manufacturing Co., Ltd. operates five production bases with over 100 production lines, 4 nationally recognized laboratories, and multiple technical centers. Products exported to 50+ countries worldwide.
Shandong Zhengde Metal Manufacturing Co., Ltd. is an integrated enterprise specializing in hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, and various metal products. With five production bases and extensive manufacturing capabilities, we serve global markets across 50+ countries.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.