321 Welded Stainless Steel Tubing

OES Metal’s 321 Stainless Steel Tubing is a premium solution for industries that demand durability, high-temperature resistance, and corrosion protection. With exceptional mechanical properties and a long service life, 321 tubing is a reliable choice for demanding environments.
Tailored tubing sizes, finishes, and specifications to meet diverse industry needs.

Looking for top-notch high-temperature resistance and durability? Our premium 321 Stainless Steel Tubing might just be what you need. It’s been carefully designed to perform really well even in harsh, corrosive environments and extreme heat. Thanks to its stabilization with titanium, this tubing is great at resisting intergranular corrosion, and it keeps its strength and oxidation resistance intact even when exposed to temperatures up to 1500°F (816°C).

Whether you’re working on aerospace projects, automotive exhaust systems, heat exchangers, boilers, or industrial furnaces, our 321 stainless steel tubing is reliable to last. Its seamless design means it’s especially durable, with better pressure containment and a smooth inner surface that helps fluids flow better.

product details

Product Details

We make sure each tube meets tough standards like ASTM A213 and ASME SA213, with strict quality checks along the way. Plus, it’s easy to weld and form, so fitting it into complex systems is a breeze—saving you time and money during installation.

If you’re dealing with critical high-temperature or corrosive environments where failure isn’t an option, give our 321 Stainless Steel Tubing a shot. Reach out for a custom quote today and see the difference in quality and service for yourself!

Austenitic Stainless Steel	201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc
Martensitic Stainless Steel	410, 414, 416, 416, 420, 431, 440A, 440B, 440C, etc
Duplex Stainless Steel	S31803, S32101, S32205, S32304, S32750, etc
Ferritic Stainless Steel	429, 430, 433, 434, 435, 436, 439, etc

Product Specification

Standard	ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296
Material	304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202
Surface	Polishing,annealing,pickling,bright
Type	hot rolled and cold rolled
Size	Wall thickness：1mm-150mm Outer diameter：6mm-2500mm
Delivery time	Prompt delivery or as the order quantity.
Package	Standard export seaworthy package,or as required.
Application	It is widely used in the fields of petroleum, food, chemical industry, construction, electric power, nuclear energy, energy,machinery, biology, paper making, shipbuilding and boilers. Pipes can also be made according to customer requirements.
Container size	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM

Chemical Composition Table

Chemical Component ( %)
Grade ASTM	C	Si	Mn	S	P	Cr	Ni
201	≤0.15	≤0.75	5.50-7.50	≤0.030	≤0.060	16.00-18.00	3.50-5.50
304	≤0.07	≤1.00	≤2.00	≤0.030	≤0.035	17.00-19.00	8.00-11.00
304L	≤0.03	≤1.00	≤2.00	≤0.030	≤0.035	18.00-20.00	8.00-12.00
309S	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	22.00-24.00	12.00-15.00
310S	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	24.00-26.00	19.00-22.00
316	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	16.00-18.00	10.00-14.00
316L	≤0.08	≤1.00	≤2.00	≤0.030	≤0.035	16.00-18.00	12.00-15.00