Carbon Steel Pipe
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MWalloys produces a full range of carbon steel pipes—seamless and welded—covering ASTM A106 Gr B, ASTM A53 Gr A/B, API 5L Gr B, EN 10255 S195, and ERW/API 5CT grades. Available in OD Ø12 mm–Ø1219 mm, wall thicknesses 2.77 mm–31.75 mm, and lengths up to 12 m, our pipes serve power, oil & gas, construction, and general engineering applications.
Full Specifications & Parameters
| Grade | Chem. Composition (%)* | Tensile (MPa) | Yield (MPa) | Elongation (%) | OD Range (mm) | WT Range (mm) | Length (m) | Weight (kg/m)** | Common Applications |
|---|---|---|---|---|---|---|---|---|---|
| A106 Gr B | C 0.30–0.35, Mn 0.29–1.06, P ≤0.035, S ≤0.035, Fe Balance | 415–540 | ≥240 | ≥30 | 21.3–1219.2 | 2.77–31.75 | 3–12 | 0.11–145 | High-temp service, boilers |
| A53 Gr A/B | C ≤0.25, Mn ≤1.20, P ≤0.05, S ≤0.05, Fe Balance | 300–480 | ≥205 | ≥30 | 21.3–610 | 2.77–12.7 | 3–12 | 0.11–50 | Water, gas, structural use |
| API 5L Gr B | C 0.21–0.28, Mn 0.95–1.55, P ≤0.035, S ≤0.035, Fe Balance | 415–550 | ≥240 | ≥30 | 48.3–1219.2 | 2.87–25.4 | 3–12 | 0.15–145 | Oil & gas transmission |
| EN 10255 S195 | C ≤0.22, Mn ≤1.60, P ≤0.045, S ≤0.045, Fe Balance | 360–510 | ≥195 | ≥25 | 10–159 | 1.5–5 | 3–6 | 0.02–8 | Domestic heating, plumbing |
| ERW/API 5CT | C 0.22–0.28, Mn 0.85–1.35, P ≤0.025, S ≤0.025, Fe Balance | 380–550 | ≥240 | ≥25 | 73–508 | 6.35–25.4 | 6–12 | 0.25–100 | Oilwell casing & tubing |
* Typical composition ranges; refer to certificate for exact values.
** Weight per meter varies by OD & WT.
Why Choose MWalloys
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Comprehensive Grade Selection: From process‑critical A106 to cost‑effective A53 and API grades.
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Certified Quality: ISO 9001, API Q1, third‑party inspections and full MTR traceability.
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Seamless & Welded: Both seamless and ERW/LASW options with strict NDT (UT, RT) and hydrostatic testing.
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Technical Expertise: In‑house metallurgists for material recommendations and custom solutions.
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Global Logistics: Fast, reliable deliveries to 50+ countries with all major Incoterms supported.
Logistics & Ordering
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Lead Time: 2–6 weeks after order confirmation
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Packaging: Bundled, end‑capped, plastic‑wrapped, seaworthy wooden crates for export
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Shipping Terms: FOB, CIF, EXW, DDP available on request
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Order Process:
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Submit grade, size, quantity to sales@MWalloys.com
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Receive quotation & Proforma Invoice
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Confirm PO & payment, then production scheduling
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Quality inspection → Dispatch → Track shipment
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FAQs
| Q | A |
|---|---|
| What’s the difference between A106 and A53 pipes? | A106 is for high-temp service, A53 is general-purpose. |
| Can you supply custom OD & WT? | Yes—custom dimensions and thicknesses per request. |
| Do you offer NDT & test reports? | Yes—UT, RT, PMI, hydrostatic tests with full MTRs. |
| Are both seamless and welded pipes available? | Yes—seamless, ERW, LSAW, SSAW in all grades. |
| What standards do you follow? | ASTM, API, EN, JIS standards as specified by customer. |
| How is pipe packaging handled for export? | Plastic‑wrapped bundles, wooden crates, pallets. |
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