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ASTM A276 Hot Rolled 321 Stainless Steel Round Bar with Bright Surface and

China ASTM A276 Hot Rolled 321 Stainless Steel Round Bar with Bright Surface and

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ASTM A276 Hot Rolled 321 Stainless Steel Round Bar with Bright Surface and

MOQ： 50 kg
Price： US $2.54-3.41 / kg
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Shape	Round
Technique	Cold Rolled
Surface Treatment	Bright
Diameter	8 - 300mm
Length	6m/pcs
Grade	316L / 1.4404 / AISI316L
Standard	ASTM A276/276M
Tensile Strength	515 MPa min
Yield Strength	205 MPa min
Elongation	40% min
Hardness Rockwell B	95 max
Hardness Brinell	217 max
Carbon Content	0.08 max
Chromium Content	17.0 - 19.0%
Nickel Content	9.0 - 12.0%
Certification	AISI

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Product Details
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Product Specification


Shape	Round	Technique	Cold Rolled
Surface Treatment	Bright	Diameter	8 - 300mm
Length	6m/pcs	Grade	316L / 1.4404 / AISI316L
Standard	ASTM A276/276M	Tensile Strength	515 MPa min
Yield Strength	205 MPa min	Elongation	40% min
Hardness Rockwell B	95 max	Hardness Brinell	217 max
Carbon Content	0.08 max	Chromium Content	17.0 - 19.0%
Nickel Content	9.0 - 12.0%	Certification	AISI
High Light	ASTM A276 Stainless Steel Round Bar ，321 Stainless Steel Bar ，Hot Rolled SS Round Bar

ASTM A276 Hot Rolled 321 Stainless Steel Round Bar / Black Stainless Steel Bar

Our ASTM A276 Hot Rolled 321 Stainless Steel Round Bar is available in black or bright surface finishes, meeting industrial standards for quality and performance.

Product Specifications

Products	Stainless Steel Round Bar
Grade	316L / 1.4404 / AISI316L
Standard	ASTM A276/276M
Diameter	8 - 300mm
Length	6m/pcs or cutting any length as requested
Surface	Black, Bright
Other Grades	304, 310S, 316L, 317L, 321, 410, 420, 431, 440A/B/C, 2205, 2507, 630, 631, 904L, etc.
Services	Cutting, Polishing, Heat Treatment

Stainless Steel Bar Product Range

Product Name	Size Range	Main Grades
Stainless Steel Round Bar (hot rolled black surface)	8 - 300mm	304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 431, 440A/B/C, 2205, 2507, 904L, 254SMO, 17-4PH, 17-7PH, etc.
Stainless Steel Round Bar (bright polished)	3 - 50mm	201, 304, 316L, 310S, 2205, 630, etc.
Stainless Steel Square Bar	4×4 - 50×50mm	201, 304, 316L, 310S, 410, 420, etc.
Stainless Steel Hexagon Bar	S4-S70	201, 304, 316L, 310S, 410, 420, etc.
Stainless Steel Flat Bar	10×3 - 100×40mm	304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 431, 440A/B/C, 2205, 2507, 904L, 254SMO, 17-4PH, 17-7PH, etc.
Stainless Steel Angle Bar	30×30 - 200×200mm	201, 304, 316L, 310S, 2205, etc.
Stainless Steel Channel Bar	50×25 - 200×100mm	201, 304, 316L, 310S, 2205, etc.

About 321 Stainless Steel

Alloy 321 (UNS S32100) is a titanium-stabilized stainless steel that provides excellent resistance to intergranular corrosion after exposure to temperatures between 800-1500°F (427-816°C). This stabilization against chromium carbide formation makes it ideal for high-temperature applications.

321 stainless steel offers superior creep and stress rupture properties compared to Alloy 304 and 304L, along with excellent oxidation resistance up to 1500°F (816°C) and good low-temperature toughness. The 321H variant (UNS S32109) features higher carbon content (0.04-0.10) for enhanced creep resistance and strength above 1000°F (537°C).

This alloy cannot be hardened by heat treatment but can be strengthened through cold working. It maintains excellent weldability and can be processed using standard fabrication practices.

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Ni	N	Other
321	0.08 max	2.00 max	0.75 max	0.045 max	0.030 max	17.0-19.0	9.0-12.0	0.10 max	Ti=5(C+N) min, 0.70 max
321H	0.04-0.10	2.00 max	0.75 max	0.045 max	0.030 max	17.0-19.0	9.0-12.0	-	Ti=4(C+N) min, 0.70 max
347	0.08 max	2.00 max	0.75 max	0.045 max	0.030 max	17.0-19.0	9.0-13.0	-	Nb=10(C+N) min, 1.0 max

Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
321	515	205	40	95	217
321H	515	205	40	95	217
347	515	205	40	92	201

Applications

Aircraft exhaust manifolds
Expansion joints
Bellows
Furnace parts
Heating element tubing
Heat exchangers
Woven or welded screens for high-temperature mineral processing
Spiral welded tube for burner pipes and flues

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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