Precision Engineering Seamless Stainless Steel Pipe 301L 301 310S

Seamless Stainless Steel Tubes: Precision Engineering for Demanding Global Applications

Unlock Superior Performance with Our Premium Stainless Steel Solutions

As a leading manufacturer of stainless steel tubing, we deliver unmatched quality through vertically controlled production. Our seamless tubes combine advanced metallurgy with precision engineering to meet critical specifications across industries—from petrochemical plants to medical equipment.

Core Specifications

✅ Material Grades:

• 200 Series: Cost-effective Cr-Mn-Ni alloys

• 300 Series: Premium corrosion resistance (301L, 301, 310S)

• 400 Series & Special Alloys: High-strength options (410, S32305 duplex)

✅ Key Standards:
GB (Chinese National Standard) compliant, equivalent to ASTM/EN/JIS specifications

✅ Dimensions:

• Welded Tubes: Ø3mm – Ø450mm

• Seamless Tubes: Ø6mm – Ø630mm
  (Custom thickness: 0.2mm – 20mm)

✅ Pricing Basis:
Theoretical Weight Calculation (Metric ton)

Why Partner With Us?

Industry-Leading Properties:

• 310S Tubes: Withstand 1100°C for furnace/boiler systems

• S32305 Duplex: 2x yield strength vs 304, ideal for offshore rigs

• 410 Precision Tubes: HRC 35 hardness for hydraulic shafts

Global Compliance:
GB-standard production with optional EN 10216-5 / ASTM A213 certifications

End-to-End Control:
From billet selection to ultrasonic testing - guaranteed dimensional accuracy (±0.1mm)

Applications Driving Client Success

» Oil & Gas: Corrosion-resistant piping for subsea valves
» Automotive: High-pressure fuel injection lines (301L)
» Food Processing: Sanitary tubing with electropolished surfaces
» Architecture: Structural elements in coastal skyscrapers (316L)

Limited-Volume Discounts Available!
Request a competitive quote with door-to-door logistics solutions within 24 hours.

Certified Quality Assurance:

• PMI (Positive Material Identification)

• Hydrostatic / Eddy Current Testing

• Full traceability documentation

 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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