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Cold Rolled 430 Stainless Steel Sheet with Bright Surface and Corrosion Resistance for Industrial Applications

Zertifizierung	AISI, ASTM
Min Bestellmenge	150 kg
Preis	US $1.28-1.56 / kg

Produktdetails

Modell Nr.	430	Form	Wohnung
Technik	kaltgewalzt	Oberflächenbehandlung	Hell
Spezifikation	12202440, 15003000, 15006000, 20006000 mm	Dicke	kaltgewalzt 0,3 - 3,0 mm warmgewalzt 3,0 - 10,0 mm
Standardgröße	kaltgewalzt 10002000mm 12192438mm warmgewalzt 1500*6000mm	Oberfläche	2B BA Nr. 4 Hagelspiegel 8K usw
Zugfestigkeit	483 MPa min	Streckgrenze	310 MPa min
Verlängerung	22 % mind	Härte	Rockwell B 85 max, Brinell 183 max
Dichte	7750 kg/m3	Elastizitätsmodul	200 GPa
Wärmeleitfähigkeit	26,1 W/mK bei 100°C
Hervorheben	Cold Rolled Stainless Steel Sheet , Bright Surface Stainless Steel Plate , Corrosion Resistant 430 Stainless Steel

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Produkt-Beschreibung

Stainless Steel Sheet / Stainless Steel Plate Grade AISI430 / 1.4016 / S43000

Products: 430 Stainless Steel Sheet

Thickness: Cold rolled 0.3 - 3.0mm, Hot rolled 3.0 - 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. This steel is 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 use in automatic screw machines. Grade 434 has similar properties to grade 430, although it is a molybdenum-bearing version that enhances corrosion resistance.

Chemical Composition

The chemical compositions of various elements 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	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

Grade	Reasons for choosing 430
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, such as stainless steel grade 430, have excellent stress corrosion cracking resistance. Grade 430 has good corrosion resistance to numerous substances, with maximum corrosion resistance achieved in well-polished or buffed condition. Its pitting and crevice corrosion resistance is quite similar to that of grade 304. 430F is a high-sulfur free machining grade, and therefore the resistance to pitting and crevice corrosion is comparatively lesser than non-free machining grades.

Heat Resistance

Stainless steel grade 430 is capable of resisting oxidation up to 870°C (1598°F) in intermittent usage, and up to 815°C (1499°F) in continuous usage. At room temperature, it has the tendency to become brittle, especially when heated for extended periods in the 400-600°C (752-1112°F) range. This issue can be overcome with proper annealing.

Heat Treatment

Solution annealing can be performed by heating stainless steel grade 430 to 815-845°C (1499-1553°F), followed by slow furnace cooling to 600°C (1112°F) and quick air-cooling. Slow cooling between 540 and 400°C (1004 and 752°F) tends to cause embrittlement. For sub-critical annealing, heating should be performed to 760-815°C (1400-1499°F), followed by air-cooling or water quenching. This stainless steel cannot be hardened by thermal treatment.

Welding

To perform any welding, stainless steel grade 430 must be pre-heated at 150-200°C (302-392°F). In case of embrittlement in the welded metal, the area can be post-weld annealed at 790-815°C (1454-1499°F), though grain refinement will not occur. It is recommended to use grade 430, 308L, 309, or 310 filler rods based on the application requirements.

Machining

The machinability of stainless steel grade 430 is significantly easier than standard austenitic steels such as grade 304, though galling may occur. Lightly drawn bars are easier to machine than bars in the annealed condition. Grade 430F is specifically designed for easy machining applications.

Fabrication

Stainless steel grade 430 has a low work hardening rate which enables easy bending and forming. The low ductility rate, however, makes it difficult to perform very rigorous operations. Grade 430 wire can handle rigorous cold heading, and sub-critical intermediate annealing may be required for extreme cold working applications.

Applications of 430 Stainless Steel