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Carbon Steel Pipe for Construction - Mill Direct Supplier
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Carbon Steel Pipe for Construction Applications
| Property | Parameter | Description |
|---|---|---|
| Product Name | Carbon Steel Pipe for Construction Applications | Structural and load-bearing steel pipes used in building, infrastructure, and civil engineering projects |
| Material Grade | ASTM A53 Gr.B / A106 Gr.B / EN 10210 S355J2H / GB/T 8162 20# | International equivalent grades: S355J2H (EN) ≈ A53 Gr.B (ASTM); 20# (GB) ≈ ASTM A106 Gr.B |
| Standard Compliance | ASTM A53 / ASTM A106 / EN 10210 / EN 10219 / GB/T 8162 / JIS G3444 | Meets major international standards for structural and mechanical carbon steel pipes |
| Chemical Composition (C) | ≤ 0.30% | Carbon content controls hardness and weldability; lower C improves field welding performance |
| Chemical Composition (Mn) | 0.29% – 1.06% | Manganese enhances tensile strength and toughness in structural applications |
| Chemical Composition (P / S) | P ≤ 0.035% / S ≤ 0.035% | Controlled phosphorus and sulfur levels ensure ductility and reduce brittleness |
| Chemical Composition (Si) | ≤ 0.35% | Silicon acts as a deoxidizer; improves strength without significantly reducing ductility |
| Tensile Strength | 415 – 655 MPa (ASTM A53 Gr.B) | Minimum tensile strength 415 MPa per ASTM A53; EN 10210 S355J2H min. 470 MPa |
| Yield Strength | ≥ 240 MPa (A53 Gr.B) / ≥ 355 MPa (S355J2H) | Yield strength varies by grade; S355J2H preferred for high-load structural columns and frames |
| Elongation | ≥ 22% (longitudinal, A53 Gr.B) | Ensures sufficient ductility for seismic and dynamic construction environments |
| Outer Diameter (OD) | 21.3 mm – 660 mm | Wide OD range covers scaffolding tubes (48.3 mm), structural columns, piling, and truss members |
| Wall Thickness | 2.0 mm – 40.0 mm | Schedule 20 to Schedule XXS available; heavy wall for high-load bearing applications |
| Length | 6 m / 12 m or custom cut | Standard mill lengths; random or fixed lengths available per project specification |
| Surface Finish | Black varnished / Hot-dip galvanized / Bare / Epoxy coated | Galvanized finish (85 μm min.) for outdoor and corrosive environments; black for interior structural use |
| Application | Structural columns, scaffolding, piling, trusses, bridges, formwork supports | Widely used in residential, commercial, and civil construction for load-bearing and framing purposes |
| Certification | ISO 9001 / CE Marking / Mill Test Certificate (EN 10204 3.1 / 3.2) | Third-party inspection available; MTC traceable to heat number and chemical analysis |
| Packaging | Bundled in hexagonal or square bundles; steel strapping; end caps fitted | Bundle weight typically 2–3 MT; wooden dunnage for sea freight; bare or wrapped per buyer requirement |
| MOQ | 25 MT per size/grade | Mixed container orders accepted; FOB, CFR, CIF terms available; lead time 15–30 days |
Carbon Steel Pipe for Construction - Mill Direct Supplier
Carbon steel pipe for construction applications serves as a foundational structural and fluid-conveyance material across residential, commercial, and industrial building projects worldwide. Sourced directly from certified mills, our construction-grade carbon steel pipes deliver consistent mechanical performance, dimensional accuracy, and code compliance that project engineers and procurement teams depend on. Whether your project demands load-bearing structural columns, underground utility conduits, HVAC distribution lines, or high-pressure fire suppression systems, the right carbon steel pipe specification is critical to both structural integrity and long-term cost efficiency. With mill-direct supply chains, buyers eliminate intermediary markups, securing cost-effective pricing without compromising on material traceability or certification. Our inventory spans a broad range of outer diameters, wall thicknesses, and steel grades, all backed by full mill test reports (MTRs) and third-party inspection options to satisfy the most rigorous project specifications.
What is Carbon Steel Pipe for Construction Applications?
Carbon steel pipe for construction is a tubular steel product manufactured from iron-carbon alloys — typically containing 0.05% to 0.30% carbon by weight — engineered to withstand structural loads, internal pressure, and environmental exposure in building and civil engineering environments. These pipes are produced via seamless or electric resistance welded (ERW) processes and conform to internationally recognized standards including ASTM A53, ASTM A106, EN 10210, and BS 1387, making them suitable for structural frameworks, plumbing, gas distribution, piling, and scaffolding systems.
Carbon Steel Pipe for Construction Technical Specifications
Construction-grade carbon steel pipes are available in a comprehensive range of dimensions and mechanical properties. The table below outlines the core technical parameters most frequently specified by structural engineers and procurement professionals:
| Parameter | Specification / Value |
|---|---|
| Applicable Standards | ASTM A53 Gr. B, ASTM A106 Gr. B/C, EN 10210, BS 1387, API 5L |
| Manufacturing Method | Seamless (SMLS) / Electric Resistance Welded (ERW) / Submerged Arc Welded (SAW) |
| Outer Diameter (OD) | ½ inch (21.3 mm) to 60 inches (1524 mm) |
| Wall Thickness | SCH 20 to SCH XXS (1.65 mm – 59.54 mm) |
| Carbon Content | 0.05% – 0.30% (max 0.30% per ASTM A53 Gr. B) |
| Tensile Strength | 415 MPa minimum (ASTM A53 Gr. B) / 485 MPa minimum (ASTM A106 Gr. B) |
| Yield Strength | 240 MPa minimum (ASTM A53 Gr. B) / 275 MPa minimum (ASTM A106 Gr. B) |
| Elongation | ≥ 30% in 2 inches (gauge length) |
| Density | 7.85 g/cm³ at 20°C |
| Length | Standard 6 m / 12 m; custom cut-to-length available |
| Surface Finish | Black varnish, hot-dip galvanized (HDG), bare, or epoxy-coated |
| End Finish | Plain End (PE), Beveled End (BE), Threaded & Coupled (T&C) |
| Hydrostatic Test Pressure | Per ASTM A53 / A106 standard requirements (up to 20.7 MPa) |
Key Construction Applications
Carbon steel pipe finds extensive application across virtually every segment of the construction industry. Its combination of high tensile strength, weldability, and cost-effective mill-direct rates makes it the preferred choice for engineers and contractors managing both budget and performance requirements:
- Structural columns and beams: Hollow section carbon steel pipes (CHS/RHS) provide superior load-bearing capacity in steel frame buildings and bridges.
- Underground utility conduits: Schedule 40 and Schedule 80 ERW pipes serve critical roles in water supply, drainage, and gas distribution networks beneath construction sites.
- Fire suppression systems: ASTM A53 Gr. B black steel pipe is the industry-standard specification for sprinkler and standpipe systems per NFPA 13.
- Scaffolding and temporary structures: Lightweight ERW pipes in 48.3 mm OD conform to EN 39 and BS 1139 scaffolding standards.
- Piling foundations: Large-diameter SAW pipes deliver the axial load transfer and driveability required for deep foundation systems in challenging soil conditions.
- HVAC and mechanical systems: Seamless carbon steel pipes handle high-temperature and high-pressure heating/cooling medium distribution throughout commercial buildings.
Get a Competitive Quote for Carbon Steel Pipe for Construction
Partner with a mill-direct supplier that understands the precision and reliability demands of construction projects. We provide certified carbon steel pipe for construction with full documentation, flexible order quantities, and fast global logistics — ensuring your project timeline stays on track and within budget. Share your specifications today and receive a detailed quotation within 24 hours.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!
