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430 Stainless Steel Sheet with 2B NO.4 HL 8K Finish Cold Rolled Corrosion Resistant SS Sheet 1.4016

Certificação	AISI, ASTM
Quantidade de ordem mínima	100kg
Preço	US $1.46-2.54 / kg

Detalhes do produto

Forma	Plano	Técnica	laminado a frio
Tratamento de superfície	Brilhante	Faixa de espessura	0,3 - 10,0 mm
Tamanho padrão	10002000mm, 12192438mm, 1500*6000mm	Acabamento de superfície	2B, BA, NO.4, Linha de granizo, Espelho, 8K
Resistência à tracção	483 MPa min	Força de rendimento	310 MPa min
Alongamento	22% mínimo	Dureza	85 HRB máx., 183 HB máx.
Densidade	7750 kg/m3	Módulo Elástico	200 GPa
Expansão térmica	10,4 μm/m/°C (0-100°C)	Condutividade térmica	26,1 W/mK (a 100°C)
Resistividade Elétrica	600 nΩ.m
Destacar	2B NO.4 HL 8K Finish 430 Stainless Steel Sheet , Cold Rolled SS Sheet , Corrosion Resistant 1.4016 Stainless Steel

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Descrição de produto

430 Stainless Steel Sheet Specifications

Product: 430 Stainless Steel Sheet

Thickness: Cold rolled 0.3-3.0mm, Hot rolled 4.0-10.0mm

Standard Size: Cold rolled 1000×2000mm, 1219×2438mm; Hot rolled 1500×6000mm

Surface: 2B, BA, NO.4, Hairline, Mirror, 8K, etc.

Brand: TISCO, JISCO, POSCO, BAOSTEEL

Standard: ASTM A240 / JIS G4305 / EN 10088-2

Other Grades: 201, 202, 301, 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 430, 440, 441, 443, 444, 2205, 2507, etc.

Our Service: Slit Cutting, Surface Processing

Introduction to 430 Stainless Steel

Stainless steel grade 430 is a non-hardenable steel containing straight chromium, belonging to the ferritic group of steels. Known for its good corrosion resistance and formability, coupled with practical mechanical properties, it can be used in various chemical applications. Grade 430F stainless steel is typically provided in bar form for automatic screw machines, while grade 434 offers similar properties with enhanced corrosion resistance due to molybdenum content.

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
430	- 0.12	- 1	- 1	- 0.04	- 0.030	16-18	-	- 0.50	-
430F	- 0.12	- 1.25	- 1	- 0.06	0.15 -	16-18	-	-	-

Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness Rockwell B (HR B) max	Hardness Brinell (HB) max
430	483	310	22	85	183
430F	552 typical	379 typical	25 typical	-	262

Physical Properties

Grade	Density (kg/m³)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (μm/m/°C)	Thermal Conductivity (W/m.K)	Specific Heat 0-100°C (J/kg.K)	Electrical Resistivity (nΩ.m)
430	7750	200	10.4 (0-100°C) 11.0 (0-315°C) 11.4 (0-538°C)	26.1 (at 100°C) 26.3 (at 500°C)	460	600
430F	7750	200	10.4 (0-100°C) 11.0 (0-315°C) 11.4 (0-538°C)	26.1 (at 100°C) 26.3 (at 500°C)	460	600

Grade Specification Comparison

Grade	UNS No	Old British BS	Euronorm No	Swedish SS	Japanese JIS
430	S43000	430S17	1.4016	2320	SUS 430
430F	S43020	-	1.4104	2383	SUS 430F

Alternative Grades

Grade	Reasons for choosing alternative
430F	Higher machinability needed in bar product with acceptable reduced corrosion resistance
434	Better pitting resistance required
304	Slightly higher corrosion resistance needed with improved welding and cold forming ability
316	Much better corrosion resistance needed with improved welding and cold forming ability
3CR12	Lower corrosion resistance acceptable in cost-critical applications

Performance Characteristics

Corrosion Resistance

All ferritic grades, including stainless steel grade 430, offer excellent stress corrosion cracking resistance. Grade 430 provides good corrosion resistance to numerous substances, with maximum resistance achieved in well-polished or buffed conditions. Its pitting and crevice corrosion resistance is comparable to grade 304. Grade 430F, being a high-sulfur free machining grade, has comparatively lower pitting and crevice corrosion resistance.

Heat Resistance

Stainless steel grade 430 resists oxidation up to 870°C (1598°F) in intermittent usage and up to 815°C (1499°F) in continuous usage. It may become brittle at room temperature when heated for extended periods in the 400-600°C (752-1112°F) range, which can be mitigated through annealing.

Heat Treatment

Solution annealing involves heating to 815-845°C (1499-1553°F), followed by slow furnace cooling to 600°C (1112°F) and rapid air-cooling. Sub-critical annealing requires heating to 760-815°C (1400-1499°F) followed by air-cooling or water quenching. This stainless steel cannot be hardened by thermal treatment.

Welding

Pre-heating at 150-200°C (302-392°F) is required before welding. Post-weld annealing at 790-815°C (1454-1499°F) can address embrittlement in welded areas. Recommended filler rods include grade 430, 308L, 309, or 310 based on application requirements.

Machining & Fabrication

Grade 430 offers easier machinability than standard austenitic steels like grade 304, though galling may occur. Grade 430F provides excellent machinability. The low work hardening rate facilitates easy bending and forming, though low ductility limits rigorous operations. Extreme cold working may require sub-critical intermediate annealing.

Applications