Stainless Steel Bright Annealed Tube for Durable Construction Precision-Engineered for Harsh Environments

Stainless Steel Bright Annealed Tube for Durable Construction Precision-Engineered for Harsh Environments

Product Name

Square Section Stainless Steel Pipes

Key Specifications

• Grades: 301, 303, 304, 304L, 304N, 309S, 310S, 316, 316L, 321, 410

• Material: 300 Series Austenitic Stainless Steel (Non-Alloy)

• Standard: ASTM A312 TP

• Certification: ISO 9001 (Quality Guaranteed)

• Tolerance: ±1% (Precision-Engineered)

• Surface Finish: 2B, No.1, Mirror Polish, Satin Finish (Customizable)

• Shape: Square Cross-Section | Seamless Weld

• Processing: Cold Rolled & Hot Rolled

• Length: Tailored to Your Requirements

Why Choose Our Pipes?

✅ Rapid Delivery: Shipped within 7 Days – No Delays!
✅ Flexible MOQ: Minimum Order 10 Tons (Ideal for Bulk Projects).
✅ Full Processing Services:

• Cutting | Bending | Welding

• Punching | Decoiling | Mold Opening

✅ Global Compliance: Meets International Structural Pipe Standards.

Technical Highlights

Applications

Ideal for: Structural Frameworks, Architectural Systems, Industrial Machinery, and High-Corrosion Environments.

 Quality Inspection: 

Quality Management Department is establshed in the enterprise, which is responsible for the implementation of quallty management acrossall sectors, including QC, QA and implement and supervise various management system. The company reviews the Quality Manual byconducting management reviews annually to confirm its conformance, effectiveness and suitability.

Project Achievement

Sinopec Zhenhai Refining & Chemical Company 1.2 million / year ton ethylene renovation and expansion project	Wanhua Chemical 480,000 tons / year bisphenol A integration project	GUANGXI Huayi New Materials Integration project of new chemical materials	CNOOC Shell The SMPO & POD project	China AtlantoShaanxi Coal Chemical Industry: 1.8 million tons / year ethylene glycol project
Baofeng Energy600,000 tons / year methanol to olefin project	Jiangnan Shipyard (98000m³ liquefied ethane ship, etc.) Brand number: 316 / 316L, delivery time: 2020.12	Keppel shipyard in Singapore (FLNG ship) Brand number: 316 / 316L, delivery time: 2020.1	Guangzhou Wenchong Shipyard (Super double-phase steel desulfurization tower) Brand number: S32750 Delivery time: 2021.3	CSSC Dalian (FPSO, MV31, etc.) Brand number: 316L, etc., delivery date, 2019.8
Petrobras MODEC FPSO (COSCO Shipping)	CNOOC Guangxi LNG, storage and transportation storage Brand number: 304 / 304L Specification: (8 "~32")×(3.76~9.53mm)	CNOOC Zhejiang LNG Phase II Brand number: 304 / 304L Specification: (6 "~28")×(7.11~10.31mm)	Sinopec Shandong LNG Phase II Brand number: 304 / 304L Specification: DN250 SCH10S	LIANYUNGANG Petrochemical A 4X160000m³ low-temperature ethane storage tank Brand number: 304 / 304L Specification: 813X12.7MM Delivery time: 2020.9
Sichuan Yongxiang 70,000 tons / year high purity polysilicon project	Xinjiang Daquan 25,000 tons / year high purity polysilicon project	Eagle Central China Paper Industry 500,000 tons of box board project	Guangxi Sun Paper 3.5 million tons of forest pulp and paper integration project	APP for Asian pulp and paper Chemical machine pulp and sewage treatment project
Shenghong Refining Stainless steel associated heat pipe	Hangzhou Sewage Treatment Plant Stainless steel pipe for backwash purification unit	Qilu Pharmaceutical Fluid stainless steel pipe for raw material delivery	Zijin Mining Wet copper smelting, stainless steel sewage pipe	ect
				……

Raw Material Vendors	Cooperation Partners

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Stainless Steel Bright Annealed Tube for Durable Construction Precision-Engineered for Harsh Environments Images