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Anti-Finger Print No. 4 Finish Grade 430 Stainless Steel Sheet 0.4 - 3.0mm from TISCO JISCO

Certification	AISI, ASTM
Minimum Order Quantity	100 kg
Price	US $1.35-2.36 / kg

Product Details

Model NO.	430	Shape	Flat
Technique	Cold Rolled	Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm	Thickness	0.4 - 3.0mm
Standard Size	10002000mm, 12192438mm, 1500*6000mm	Surface	2B BA NO.4 Hailrline Mirror 8K
Tensile Strength	483 MPa	Yield Strength	310 MPa
Elongation	22%	Hardness	85 HR B, 183 HB
Density	7750 Kg/m3	Elastic Modulus	200 GPa
Thermal Conductivity	26.1 W/m.K
Highlight	Anti-Finger Print Stainless Steel Sheet , No. 4 Finish 430 Stainless Steel Sheet , 0.4 - 3.0mm Thickness Ferritic Stainless Steel Sheet

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Product Description

Anti-Finger Print No. 4 Finish Grade 430 Stainless Steel Sheet

Thickness range: 0.4 - 3.0mm from TISCO JISCO

Products: 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 of 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 certain chemical applications. Grade 430F stainless steel is typically provided in bar form for automatic screw machines. Grade 434 has similar properties to grade 430, although it is a molybdenum-bearing version with enhanced corrosion resistance.

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

Performance Characteristics

Corrosion Resistance

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

Heat Resistance

Stainless steel grade 430 can resist 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 after prolonged heating in the 400-600°C (752-1112°F) range, which can be overcome with annealing.

Heat Treatment

Solution annealing is performed by heating to 815-845°C (1499-1553°F), followed by slow furnace cooling to 600°C (1112°F) and rapid air-cooling. Slow cooling between 540-400°C (1004-752°F) may cause embrittlement. For sub-critical annealing, heat 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 for welding. In case of embrittlement, post-weld annealing at 790-815°C (1454-1499°F) is recommended. Grade 430, 308L, 309, or 310 filler rods should be used based on application requirements.

Machining & Fabrication

Grade 430 is easier to machine than standard austenitic steels like grade 304, though galling may occur. Lightly drawn bars machine more easily than annealed bars. Grade 430F offers excellent machinability. The material has a low work hardening rate that facilitates bending and forming, though low ductility limits rigorous operations. Extreme cold working may require sub-critical intermediate annealing.

Applications