Welded Structural Steel Pipe
structural pipe is welded pipe sized tubing made from flat-rolled steel, formed through a roller system and welded using electric-resistance welding.
Classification :
PRODUCT DETAILS
Product introduction
Welded Structural Steel Pipe
Pipe Type: Structural Pipe, Structural Welded Pipe, Welded Structural Pipe
Application: In the Structural Engineering Area and Construction Industry
Specification: OD: 88.9mm ~ 660mm
WT: 3mm ~ 17.5mm
LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL)
Standard & Grades: ASTM A500 Grade 1/2/3, EN 10219
End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
Packing: Bundled/In Bulk, Plastic Caps plugged, Waterproof Paper wrapped
Technical data
Chemical Composition
| Grade | C | Mn | P | S | Si | Cr | Mo |
| 1010 | 0.08-0.13 | 0.30-0.60 | ≤0.04 | ≤0.05 | - | - | - |
| 1020 | 0.08-0.23 | 0.30-0.60 | ≤0.04 | ≤0.05 | - | - | - |
| 1045 | 0.43-0.50 | 0.60-0.90 | ≤0.04 | ≤0.05 | - | - | - |
| 4130 | 0.28-0.33 | 0.40-0.60 | ≤0.04 | ≤0.05 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | ≤0.04 | ≤0.05 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Packing and shipping
Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.
Application Areas
Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments.
CUSTOMER FEEDBACK
Exporting our products to more than 100 countries and regions worldwide.All the customers give good appreciation to our products.We are glad to be your good partner. Warmly welcome you to visit our factory!
FACTORY WORKSHOP
Factory workshop
Factory workshop
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APPLICATION FIELD
Construction Project
Marine Exploration
Automobile Manufacturing
Architectural Engineering
Aerospace
Solar Energy
FAQ
Q: Do you support custo
A: Yes. We provide one-stop deep processing services, including slitting, flattening, cutting, bending, welding, polishing, drilling, hot-dip galvanizing and color coating. Custom sizes, special thicknesses and surface treatments are all acceptable.
Q: Can you provide third-party inspection reports?
A: Yes. We support SGS, BV, TUV and other third-party inspections. Each batch is equipped with official factory MTC mill test certificate, chemical composition and mechanical property reports.
Q: How to choose the right steel grade for my project?
A: Carbon steel is suitable for general structure and fluid transportation; galvanized/color coated steel for anti-rust building enclosure; stainless steel for corrosion-resistant, sanitary and marine environments. Our professional sales team can recommend the most cost-effective solution according to your usage scenario, temperature, corrosion environment and load requirements.
Q: What standards do your steel products comply with?
A: All products support international mainstream standards, including GB, ASTM, AISI, JIS, DIN, EN. Common grades such as Q235B, Q355B, 20#, 45#, 304, 316L, 430 are fully available and can meet global engineering and procurement standards.
Q: What steel products do you supply?
A: We provide a full range of steel materials, including carbon steel, stainless steel, galvanized steel, color coated steel, steel plates, steel coils, steel pipes and customized steel profiles. Products are widely used in construction, machinery, petrochemical, shipbuilding, automobile and engineering fields.
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