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No. 4 Finish 430 Stainless Steel Sheet 0.4 - 3.0mm with PVC Application for Lift

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

Product Details

Thickness Range	0.4 - 3.0mm	Standard Size	12202440, 15003000, 15006000, 20006000mm
Surface Treatment	Bright	Technique	Cold Rolled
Tensile Strength	483 MPa	Yield Strength	310 MPa
Elongation	22%	Hardness	85 HRB, 183 HB
Density	7750 Kg/m3	Elastic Modulus	200 GPa
Thermal Expansion	10.4 μm/m/°C	Thermal Conductivity	26.1 W/m.K
Specific Heat	460 J/kg.K	Electrical Resistivity	600 NΩ.m
Heat Resistance	870°C Intermittent, 815°C Continuous
Highlight	No. 4 Finish Stainless Steel Sheet , PVC Application for Lift 430 Stainless Steel Sheet , 0.4 - 3.0mm Thickness Ferritic Stainless Steel Sheet

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Product Description

No. 4 Finish Stainless Steel Sheet Grade 430 0.4 - 3.0mm with PVC Application for Lift

Product 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 Services	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 use in automatic screw machines. Grade 434 offers similar properties to grade 430 but includes molybdenum for enhanced corrosion resistance.

Chemical Composition

Chemical compositions of grade 430 stainless steels:

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	26.1	460	600
430F	7750	200	10.4	26.1	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 than 430 is needed in bar product, and reduced corrosion resistance is acceptable
434	Better pitting resistance is required
304	Slightly higher corrosion resistance is needed, together with greatly improved ability to be welded and cold formed
316	Much better corrosion resistance is needed, coupled with greatly improved ability to be welded and cold formed
3CR12	Lower corrosion resistance is acceptable in a cost-critical application

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, offers slightly reduced pitting and crevice corrosion resistance compared to non-free machining grades.

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, particularly after prolonged heating 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. 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 before welding. If embrittlement occurs in welded metal, post-weld annealing at 790-815°C (1454-1499°F) can be performed, though grain refinement will not occur. 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. Lightly drawn bars machine more easily than annealed bars. Grade 430F provides excellent machinability. The low work hardening rate facilitates easy bending and forming, though low ductility may limit rigorous operations. Extreme cold working may require sub-critical intermediate annealing.

Applications