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Cold Rolled 321 Stainless Steel Round Bar with Bright Surface and OD 6-630mm

China Cold Rolled 321 Stainless Steel Round Bar with Bright Surface and OD 6-630mm

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Cold Rolled 321 Stainless Steel Round Bar with Bright Surface and OD 6-630mm

MOQ： 50 kg
Price： US $2.44-3.91 / kg
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Shape	Round
Technique	Cold Rolled
Surface Treatment	Bright
Diameter	8 - 300mm
Length	6m/pcs
Tensile Strength	515 MPa
Yield Strength	205 MPa
Elongation	40%
Hardness Rockwell	HR B 95
Hardness Brinell	HB 217
Carbon Content	0.08% max
Manganese Content	2.00% max
Silicon Content	0.75% max
Chromium Content	17.0 - 19.0%
Nickel Content	9.0 - 12.0%
Certification	AISI

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Product Specification


Shape	Round	Technique	Cold Rolled
Surface Treatment	Bright	Diameter	8 - 300mm
Length	6m/pcs	Tensile Strength	515 MPa
Yield Strength	205 MPa	Elongation	40%
Hardness Rockwell	HR B 95	Hardness Brinell	HB 217
Carbon Content	0.08% max	Manganese Content	2.00% max
Silicon Content	0.75% max	Chromium Content	17.0 - 19.0%
Nickel Content	9.0 - 12.0%	Certification	AISI
High Light	Cold Rolled Stainless Steel Round Bar ，Bright Surface Stainless Steel Rod ，OD 6-630mm 321 Stainless Steel Bar

Custom Cutting 321 / 1.4541 / UNS S32100 Stainless Steel Round Bar / Stainless Steel Rod

Product Specifications

Products	Stainless Steel Round Bar
Grade	321 / 1.4541 / UNS S32100
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.
Service	Cutting, polishing, heat treatment

Stainless Steel Bar Product Range

Products Name	Size Range	Mainly Grade
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 offers excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). The addition of titanium stabilizes the alloy against chromium carbide formation.

Alloy 321 stainless steel provides superior mechanical properties for high-temperature service, offering higher creep and stress rupture properties than Alloy 304 and 304L. It resists oxidation up to 1500°F (816°C) and maintains good low-temperature toughness.

Alloy 321H (UNS S32109) is the higher carbon (0.04 - 0.10) version developed for enhanced creep resistance and higher strength at temperatures above 1000°F (537°C). The alloy cannot be hardened by heat treatment, only by cold working, and can be easily welded and processed using standard shop fabrication practices.

Chemical Composition of 321 Stainless Steel

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

Mechanical Properties of 321 Stainless Steel

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50 mm) 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 of 321 Stainless Steel

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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