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JISCO Bright Polished BA 8K Mirror 430 Stainless Steel Sheet Cold Rolled in

China JISCO Bright Polished BA 8K Mirror 430 Stainless Steel Sheet Cold Rolled in

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JISCO Bright Polished BA 8K Mirror 430 Stainless Steel Sheet Cold Rolled in

MOQ： 150
Price： 1.34
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Model NO.	430
Shape	Flat
Technique	Cold Rolled
Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm
Thickness	0.3 - 3.0mm (cold rolled), 4.0 - 10.0mm (hot rolled)
Standard Size	10002000mm, 12192438mm (cold rolled), 1500*6000mm (hot rolled)
Surface	2B BA NO.4 Hailrline Mirror 8K
Tensile Strength	483 MPa (min)
Yield Strength	310 MPa (min)
Elongation	22% (min)
Hardness	Rockwell B 85 (max), Brinell 183 (max)
Density	7750 kg/m3
Elastic Modulus	200 GPa
Thermal Conductivity	26.1 W/m.K (at 100°C), 26.3 W/m.K (at 500°C)
Certification	AISI, ASTM

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Product Specification


Model NO.	430	Shape	Flat
Technique	Cold Rolled	Surface Treatment	Bright
Specification	12202440, 15003000, 15006000, 20006000mm	Thickness	0.3 - 3.0mm (cold rolled), 4.0 - 10.0mm (hot rolled)
Standard Size	10002000mm, 12192438mm (cold rolled), 1500*6000mm (hot rolled)	Surface	2B BA NO.4 Hailrline Mirror 8K
Tensile Strength	483 MPa (min)	Yield Strength	310 MPa (min)
Elongation	22% (min)	Hardness	Rockwell B 85 (max), Brinell 183 (max)
Density	7750 kg/m3	Elastic Modulus	200 GPa
Thermal Conductivity	26.1 W/m.K (at 100°C), 26.3 W/m.K (at 500°C)	Certification	AISI, ASTM
High Light	Bright Polished Stainless Steel Sheet ，BA 8K Mirror 430 Stainless Steel Sheet ，430 Grade Cold Rolled Stainless Steel Sheet

JISCO Bright Polished BA 8K Mirror 430 Stainless Steel Sheet

Premium quality 430 stainless steel sheets available in stock with bright polished BA 8K mirror finish.

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 Service	Slit Cutting, Surface Processing

430 Stainless Steel Introduction

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, while grade 434 offers similar properties with enhanced corrosion resistance due to molybdenum content.

Chemical Composition

Table 1 - 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

Table 2 - Mechanical Properties of Grade 430 Stainless Steels

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

Table 3 - Physical Properties of Grade 430 Stainless Steels (Annealed Condition)

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

Table 4 - Grade Specifications for 430 Stainless Steels

Grade	UNS No	Old British BS	Old British En	Euronorm No	Euronorm Name	Swedish SS	Japanese JIS
430	S43000	430S17	60	1.4016	X8Cr17	2320	SUS 430
430F	S43020	-	-	1.4104	X12CrMoS17	2383	SUS 430F

Possible Alternative Grades

Table 5 - Possible Alternatives to Grade 430 Stainless Steel

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

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 condition. Its pitting and crevice corrosion resistance is comparable to grade 304. Grade 430F, being a high-sulfur free machining grade, offers comparatively lower resistance to pitting and crevice corrosion than 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. However, 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 grade 430 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, heating to 760-815°C (1400-1499°F) followed by air-cooling or water quenching is recommended. This stainless steel cannot be hardened by thermal treatment.

Welding

Welding grade 430 requires pre-heating at 150-200°C (302-392°F). If embrittlement occurs in welded metal, post-weld annealing at 790-815°C (1454-1499°F) can address the issue, though grain refinement will not occur. Recommended filler rods include grade 430, 308L, 309, or 310 based on application requirements.

Machining

Grade 430 offers easier machinability compared to standard austenitic steels like grade 304, though galling may occur. Lightly drawn bars machine more easily than annealed bars, while grade 430F provides excellent machinability.

Fabrication

Grade 430's low work hardening rate facilitates easy bending and forming operations. However, its low ductility rate limits rigorous operations. Grade 430 wire can handle rigorous cold heading, with sub-critical intermediate annealing potentially required for extreme cold working.

Applications

Dish washer linings
Refrigerator cabinet panels
Element supports and fasteners
Stove trim rings and chimney liners
Automotive trim and lashing wires

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Year Established:

2012 
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Total Annual:

500,000,000-800,000,000
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100~200 
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Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h... Company Overview ： The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation. The subordinate processing plant has 6 sets of medium frequency h...

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NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
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