321 Stainless Steel Pipe
Product Details:
Size: Can be customized
Length: 2~6m or can be customized
Shape: Round, Square, Flat, Hexagonal, Rectangular
Surface Finish: Brushed, Bright, Mirror, Pickled
Technical Treatment: Cold rolled, Hot rolled
Standard: ASTM, AISI, JIS, GB, DIN, EN
MOQ: 1 Ton; small orders accepted

Products can be customized
+86 15291878873
info@cjmstainlessmetal.com
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◉ Product Details

Product Name321 Stainless Steel Pipe (Tube)
TypeRound Pipe, Square Pipe, Rectangular Pipe, Seamless Pipe, Welded Pipe, Galvanized Pipe
SpecificationsOuter diameter (Pipe/Tube):
1) Round pipe: 6mm to 2500mm
2) Square pipe: 10x10mm to 300x300mm
3) Rectangular pipe: 10x20mm to 120x180mm
4) Seamless Pipe: 6mm to 2500mm
Steel Grade304, 304L, 309S, 310S, 316, 316Ti, 317, 317L, 321, 347, 347H, 304N, 316L, 316N, 201, 202
PackingStandard export packaging suitable for all modes of transport, or as requested.
PaymentT/T, L/C, Western Union
Delivery timeWithin 7 working days
MOQ1 ton; small orders accepted
ApplicationPower Generation, Pharmaceutical Industry, Nuclear Industry, Automotive Exhaust Systems, Heat Exchangers

321 stainless steel pipe is an austenitic stainless steel composed of 18% chromium and 8% nickel, with a small addition of titanium. This unique chemical composition grants 321 stainless steel excellent high-temperature performance, maintaining good mechanical properties at temperatures up to 800°C. It is widely used in outdoor machinery in the chemical, coal, and petroleum industries that require high resistance to intergranular corrosion. Additionally, it is suitable for heat-resistant components in construction and challenging heat treatment applications, such as boiler casings, heat exchangers, heating furnace components, silencer parts for diesel engines, expansion joints, combustion pipes, and spiral welded tubes for dryers and aircraft.

◉ Product Show

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◉Product Specifications

Typical Chemical Composition


GradeCSiMnPSNiCrMo
301≤0 .15≤l.0≤2.0≤0.045≤ 0.036.0-8.016.0-18.0-
302≤0 .15≤1.0≤2.0≤0.035≤ 0.038.0-10.017.0-19.0-
304≤0 .08≤1.0≤2.0≤0.045≤ 0.038.0-10.518.0-20.0-
304L≤0.03≤1.0≤2.0≤0.035≤ 0.039.0-13.018.0-20.0-
309S≤0.08≤1.0≤2.0≤0.045≤ 0.0312.0-15.022.0-24.0-
310S≤0.08≤1.5≤2.0≤0.035≤ 0.0319.0-22.024.0-26.0
316≤0.08≤1.0≤2.0≤0.045≤ 0.0310.0-14.016.0-18.02.0-3.0
316L≤0 .03≤1.0≤2.0≤0.045≤ 0.0312.0 - 15.016 .0 -1 8.02.0 -3.0
321≤ 0 .08≤1.0≤2.0≤0.035≤ 0.039.0 - 13 .017.0 -1 9.0-


◉ Packaging

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◉ Our Factory

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◉ FAQ

Q: What about your company?
A: We are a professional manufacturer of stainless steel, galvanized steel, carbon steel, and color-coated steel. Additionally, we operate as a specialized trading company for steel products. With over 10 years of experience, we export to the Middle East, South America, Southeast Asia, Africa, and East Asia.
Q: Can I visit your factory?
A: Absolutely! We welcome customers from around the world to visit our factory.
Q: What are your payment terms?
A: Our payment terms are 30% T/T deposit and 70% balance before shipment.
Q: How are your goods packaged?
A: We use waterproof paper and steel strips for packing, following a standard export seaworthy package suitable for all transport modes, or as requested.
Q: What is your delivery time?
A: For in-stock items, we can deliver to the loading port within 7 days after receiving the deposit. For production items, it typically takes 15-30 days after receiving the deposit, depending on quantity.
Q: Do you provide samples? Are they free or charged?
A: We can provide samples free of charge; however, the courier freight will be at the customer's expense.
Q: Do you accept third-party inspections?
A: Yes, we fully accept third-party inspections.
Q: Why should I buy from you instead of other suppliers?
A: By integrating superior resources from China's steel industry, we offer high-quality steel products at competitive prices, ensuring timely delivery to our customers.
Q: How can you guarantee quality?
A: We provide a pre-production sample before mass production and conduct a final inspection before shipment to ensure quality.

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