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Help CenterHigh Quality Carbon Steel Round Pipe ASTM A36 S235JR ERW Welded Steel Tube Large Stock Factory Supply
Product Spotlights
Full sizes seamless & ERW carbon steel pipes in stock, short lead time for urgent orders.
Multiple Grades & Global Standards
ASTM A106 Gr.B, A53 Gr.B, API 5L, Q235B, 20#, S235JR. Sch40/Sch80 and custom schedules available.
Reliable Quality & Full Certificates
100% chemical & mechanical test. 3.1 MTC certificate, SGS inspection on request.
Wide Applications
Suitable for oil&gas, water pipeline, building structure, scaffolding, machinery and municipal projects.
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1. Product Overview
We are professional manufacturer of various steel pipes including seamless steel pipe, ERW/LSAW/SSAW welded steel pipe, hot dipped galvanized GI pipe, square & rectangular hollow section, scaffolding pipe and stainless steel pipe.All products strictly comply with international authoritative standards, widely applied in construction engineering, oil & gas transportation, water supply drainage, greenhouse framework, boiler piping, municipal infrastructure and other fields. Stable quality, factory direct price and on-time delivery are our core advantages.
2. Basic Parameters
| Item | Detailed Information |
|---|---|
| Product Name | Carbon Steel Seamless/Welded Pipe, Galvanized Steel Pipe, Square Tube, Stainless Steel Pipe |
| Raw Material | Q235B, Q355B, ASTM A53 Gr.B, ASTM A106 Gr.B, API 5L X42/X52/X60/X70, 304, 316L, Alloy Steel |
| Executive Standard | ASTM, API 5L, EN39, BS1139, GB, ISO |
| Production Technology | Hot rolled seamless, cold drawn seamless, ERW, LSAW, SSAW |
| Outer Diameter | Customized according to customer requirements |
| Wall Thickness | Thin wall, medium wall, thick wall optional |
| Length | Random length, fixed length 6m/12m, customized cutting length |
| Pipe End | Plain End (PE), Bevel End (BE), Threaded End, Chamfered |
| Surface Treatment | Black finish with anti-rust oil, hot dipped galvanized, pre-galvanized, 3PE anti-corrosion coating, shot blasting, polishing |
3. Core Advantages
Genuine Material & Stable DimensionAdopt qualified raw steel billets, actual wall thickness consistent with order requirements without thinning. Uniform wall thickness, smooth inner surface effectively reduces fluid resistance and avoids pipeline blockage.
Strict Multi-Round Quality InspectionEach batch undergoes hydrostatic pressure test, flattening test, tensile test, hardness test and NDT ultrasonic flaw detection. No cracks, air holes or leakage; pass third-party inspection of SGS, BV.
Strong Pressure & Corrosion ResistanceSeamless pipe integrally formed without weld seam, excellent high-pressure resistant performance. Hot-dipped galvanized layer is uniform and firmly attached, effectively resisting rust under humid, saline and underground buried environments.
Support Custom Deep ProcessingAvailable services: fixed-length cutting, pipe end beveling, threading, bending, punching, customized anti-corrosion coating to meet different on-site construction demands.
Factory Direct Supply & Stable DeliveryLarge production capacity and abundant conventional specifications in stock for fast shipment. Mass orders can be scheduled reasonably to guarantee delivery time.
Professional Export PackingBundled by steel strips, wrapped with woven bags or loaded on wooden pallets. Seaworthy anti-rust packaging ensures no damage and rust during long sea transportation.
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Complete Documents for Customs ClearanceProvide commercial invoice, packing list, bill of lading, certificate of origin, MTC mill test certificate, inspection report and other full sets of customs clearance documents.
4. Wide Application
Oil & natural gas long-distance transmission pipeline
High-pressure boiler, heat exchange industrial pipeline
Municipal water supply, drainage, fire fighting pipeline
Greenhouse bracket, agricultural greenhouse construction
Building steel structure, workshop support, foundation piling
Construction scaffolding, safety guardrail and fence frame
Chemical industry, sewage treatment engineering piping
Mechanical manufacturing hydraulic pipelines
6. Our Service
Free sample support for quality verification
One-stop customized solution according to drawings and parameters
Professional sales team offer 24-hour online technical support
Responsible after-sales solution for confirmed quality problems
Send Inquiry to This Supplier
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