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Cold Rolled Grade 321 Stainless Steel Round Bar with Bright Surface for High Temperature Applications

Certificação	AISI
Quantidade de ordem mínima	50 kg
Preço	US $2.59-3.29 / kg

Detalhes do produto

Forma	Redondo	Técnica	laminado a frio
Tratamento de superfície	Brilhante	Faixa de diâmetro	6-250mm
Comprimento	6m/pcs	Nota	321/1.4541/UNS S32100
Padrão	ASTM A276/276M	Resistência à tracção	515 MPA
Força de rendimento	205 MPa	Alongamento	40%
Dureza Rockwell B	95 HR B	Dureza Brinell	217 HB
Conteúdo de carbono	0,08% no máximo	índice do cromo	17,0-19,0%
Conteúdo de níquel	9,0-12,0%
Destacar	Grade 321 Stainless Steel Round Bar , Cold Rolled Stainless Steel Rod , Bright Surface Stainless Steel Bar

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Descrição de produto

Diameter 6-250mm Stainless Steel Round Rod / Black Stainless Steel Bar Grade 321 After Solid Solution

Our stainless steel round bars are manufactured to the highest standards, offering excellent performance characteristics for demanding industrial applications.

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

Available Stainless Steel Bar Products

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 Grade 321 Stainless Steel

Alloy 321 (UNS S32100) is a titanium-stabilized austenitic 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, making it particularly advantageous for high-temperature applications. Alloy 321 stainless steel offers superior creep and stress rupture properties compared to Alloy 304 and 304L.

This alloy maintains excellent resistance to oxidation up to 1500°F (816°C) and possesses good low-temperature toughness. It cannot be hardened by heat treatment but can be strengthened through cold working. Alloy 321 can be easily welded and processed using standard shop fabrication practices.

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).

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

Typical 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

Product Images

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Cold Rolled Grade 321 Stainless Steel Round Bar with Bright Surface for High Temperature Applications

Grade 321 Stainless Steel Round Bar

Cold Rolled Stainless Steel Rod

Bright Surface Stainless Steel Bar