Name: 309S / 310S Stainless Steel Pipe
SKU: 0

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309S / 310S Stainless Steel Pipe

309S & 310S stainless steel pipes are premium low-carbon heat-resistant austenitic tubing with outstanding high-temperature oxidation resistance. 309S stably works under 1000°C while 310S withstands continuous 1200°C extreme heat. They serve core pipelines for boilers, industrial kilns, high-temp oil & gas delivery systems, ranking as top demanded heat-resistant steel products for Middle East petrochemical projects. Factory bulk wholesale with full industrial test certificates for global engineering importers.

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Product Parameters

Product Name	309S / 310S Stainless Steel Pipe
Standard	ASTM,JIS,DIN,GB,AISI,DIN,EN
Grade/Alloy	309S / 310S
Technique	Cold drawn, Hot rolled, Cold rolled and Others.
Standard Sizes	Outer Diameter (OD) Metric: 6mm – 630mm; Imperial: 1/8" – 36" (DN6 – DN900) Wall Thickness & Schedule Metric: 0.8mm – 28mm ASME Schedule: SCH 10S, 40S, 80S, 160, XXS heavy wall Standard Fixed Length 6 meters default; custom cut 3m–12m available upon request
Main Pipe State / Type	Seamless SMLS Pipe; ERW Welded Pipe; EFW Large Diameter Welded Pipe; Cold Drawn Precision Tube
Surface Treatment	Annealed & Pickled (AP); Bright Annealed (BA); 320 / 400 grit mechanical polish; Shot blasting
Exported to	Southeast Asia, Middle East, Central Asia & Latin America; European industrial countries

Core Strengths of 309S / 310S Stainless Steel Pipe

Excellent high-temperature anti-oxidation performance: 309S up to 1000°C continuous service, 310S up to 1200°C
Low-carbon "S" grade design eliminates intergranular corrosion after welding, no post-weld heat treatment required
High chromium & nickel alloy composition delivers stable creep strength under long-term extreme heat
Superior anti-carburization & thermal fatigue resistance for cyclic heating furnace working conditions
Two grades for tiered cost selection: cost-effective 309S for medium heat, ultra-premium 310S for severe high-temp scenarios
Compliant with ASTM A312, A213 industrial standards, complete MTC certification for customs clearance
Available seamless & welded production, custom cutting & thickness customization for engineering projects

Main Industrial Applications of 309S / 310S Stainless Steel Pipe

Energy power: Boiler superheater tubes, waste heat recovery pipeline, furnace flue piping
Petrochemical industry: High-temperature crude oil, natural gas & chemical medium transmission lines
Thermal processing: Industrial kilns, annealing furnaces, heat treatment oven liner piping
Metallurgy & incineration: High-temperature flue, waste incinerator heat exchange tubing
Glass & ceramic manufacturing: Kiln support tubes & high-temperature delivery pipelines

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.