Name: China Large Diameter Heavy Wall Seamless Steel Pipe China Manufacturer Manufacturers Suppliers Factory - Shenzhoutong Steel Pipe
Brand: Shenzhoutong
SKU: 316328274

Products Description

large diameter heavy wall seamless steel pipe, heavy wall seamless steel pipe large diameter, China large diameter thick wall seamless pipe, ASTM heavy wall seamless steel pipe, high pressure large diameter seamless steel pipe, SCH160 heavy wall seamless pipe, industrial large diameter seamless steel tube, custom heavy wall seamless steel pipe manufacturer.

Product Standard & Certification

Compliant with international standards: ASTM A106, ASTM A53, ASME B36.10M, API 5L, EN 10216, DIN, JIS, GB; Certified with ISO9001 quality management system, SGS, third-party inspection available, fully meet global industrial engineering standards.

Material Grade

Carbon Steel: A106 Gr.B/C, A53 Gr.B, ST37, ST52, 20#;

Pipeline Steel: X42, X52, X60, X70;

Alloy Steel: 4130, 4140, 15CrMo, 12Cr1MoV;

Stainless Steel (customizable): 304, 316L.

Key Technical Parameters

1	Outer Diameter (OD): 219mm - 1200mm (large diameter customized)
2	Wall Thickness (WT): 6mm - 200mm (heavy/thick wall), support SCH40, SCH80, SCH120, SCH160, XXS heavy wall series
3	Length: 6m-12m standard length, 1m-18m customized length
4	Manufacturing Process: Hot rolled, hot forged, cold drawn seamless process
5	Tolerance: Strict dimensional tolerance, smooth inner and outer wall, no crack, no porosity

Product Features & Advantages

Advantage Item	Detailed Optimized Description
High Pressure Resistance	Adopting heavy wall thickened design, the seamless steel pipe features outstanding pressure-bearing performance, perfectly applicable for high-pressure industrial pipeline systems, boiler and pressure vessel projects.
High Strength & Long Durability	Integrated one-piece seamless structure without welding seams, delivers high tensile strength, excellent anti-corrosion and anti-oxidation performance, ensuring stable operation and long service life in harsh working conditions.
Precise Dimensional Accuracy	Manufactured by advanced rolling and forging technology with uniform wall thickness, accurate outer diameter and straightness, achieving tight tolerance and excellent sealing performance for pipeline assembly.
Full Customization Support	Professional OEM & ODM service available, supporting customized non-standard diameter, wall thickness, pipe length, surface treatment and marking as customer requirements.
Factory Direct Supply	We are a genuine China manufacturer without middlemen, owning stable production capacity, sufficient raw material stock, fast lead time and competitive ex-factory price.
Strict Quality Control	Every pipe undergoes 100% hydraulic pressure test, ultrasonic flaw detection, chemical composition and mechanical property inspection to ensure zero defects before shipment.

Application Scenarios

Widely applied in petroleum & natural gas transmission, chemical industry pipeline, thermal power plant, boiler tube, pressure vessel, hydraulic engineering, machinery manufacturing, offshore engineering, urban water supply and drainage, high-pressure fluid transportation and other heavy-duty industrial fields.

Surface Treatment & Packaging

Surface Treatment: Black painting, anti-rust oil, galvanized, shot blasting, polished as requiredPackaging: Standard export plywood pallet, waterproof plastic film, bundled firmly, suitable for long-distance sea transportation, avoid damage.

Supply Capacity & Delivery

Annual Production Capacity: 50,000 tons+;

Fast delivery for standard stock specs;

7-15 working days for customized sizes;

Support FOB, CIF, CFR, DDP international trade terms;

Professional export team with rich overseas shipping experience.

After-Sales Service

Provide free product inspection reports, material certificates, factory test reports; 24/7 online technical support; Support return and exchange for quality problems; Long-term after-sales tracking service for global customers.