ASTM A240/ASME SA240 UNS S43000 Stainless Steel 430 Sheet

 

For applications requiring good corrosion resistance, excellent formability, and cost-effectiveness in mildly corrosive environments, ASTM A240/ASME SA240 UNS S43000 Stainless Steel 430 Sheet is a reliable choice. As a leading uns stainless supplier, Gangsteel offers high-quality sa 240/a 240 uns s43000 sheets, plates, coils, bars, and custom components, all compliant with sa 240/a 240 uns stainless grades standards, including ASTM A240 and ASME SA240. With an inventory exceeding 600 tons and advanced processing capabilities, we ensure rapid delivery and tailored solutions for clients worldwide.

This comprehensive guide explores the ASTM A240/ASME SA240 UNS S43000 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS S43000 price per kg. Whether you're an engineer designing automotive trim or a procurement specialist sourcing for appliance manufacturing, this article will clarify why 430 stainless steel is a trusted option. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns s41000, sa 240/a 240 uns s20200, sa 240/a 240 uns s20100, and sa 240/a 240 uns s32550.

Why Choose ASTM A240/ASME SA240 UNS S43000 Stainless Steel 430 Sheet?

 

ASTM A240/ASME SA240 UNS S43000, commonly known as 430 stainless steel, is a ferritic stainless steel with 16.0-18.0% chromium and a low carbon content (≤ 0.12%). It offers good corrosion resistance in mildly corrosive environments, excellent formability, and moderate strength, making it ideal for applications in automotive, appliance, and architectural industries. The ferritic structure provides resistance to stress corrosion cracking, and its low nickel content makes it a cost-effective alternative to austenitic grades like sa 240/a 240 uns s20100 or sa 240/a 240 uns s20200.

The ASTM A240/ASME SA240 UNS S43000 stainless steel 430 sheet provides better corrosion resistance than sa 240/a 240 uns s41000 due to its higher chromium content, but it is less suited for high-strength applications compared to martensitic grades. Its affordability and aesthetic appeal make it a preferred choice for decorative and non-aggressive environments.

Key benefits of ASTM A240/ASME SA240 UNS S43000 stainless steel 430 sheet include:

• Good Corrosion Resistance: Higher chromium content provides better corrosion resistance than sa 240/a 240 uns s41000 in mild environments.
• Excellent Formability: Ferritic structure allows for easy forming, ideal for deep drawing in appliance manufacturing.
• Cost-Effective: Low nickel content reduces costs compared to sa 240/a 240 uns s20200 and sa 240/a 240 uns s20100.
• Aesthetic Appeal: Bright, polished finishes make it suitable for decorative applications like architectural trim.

Case Study: An appliance manufacturer in India used sa 240/a 240 uns s43000 sheets for dishwasher panels, achieving a 20% cost reduction compared to sa 240/a 240 uns s20100 while maintaining corrosion resistance and aesthetic appeal in indoor environments.

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ASTM A240/ASME SA240 UNS S43000 Chemical Composition

 

The ASTM A240/ASME SA240 UNS S43000 chemical composition is designed for good corrosion resistance, formability, and cost-effectiveness, compliant with sa 240/a 240 uns stainless grades standards.

The high chromium content (16.0-18.0%) provides good corrosion resistance in mild environments, while the low carbon content (≤ 0.12%) supports weldability. The minimal nickel content (≤ 0.75%) makes ASTM A240/ASME SA240 UNS S43000 more cost-effective than austenitic grades like sa 240/a 240 uns s20200.

Element	Percentage (%)
Chromium (Cr)	16.0 – 18.0
Carbon (C)	≤ 0.12
Manganese (Mn)	≤ 1.0
Silicon (Si)	≤ 1.0
Phosphorus (P)	≤ 0.040
Sulfur (S)	≤ 0.030
Nickel (Ni)	≤ 0.75
Iron (Fe)	Balance (~80%)

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ASTM A240/ASME SA240 UNS S43000 Mechanical Properties

 

The ASTM A240/ASME SA240 UNS S43000 mechanical properties offer a balance of moderate strength, good ductility, and excellent formability, suitable for general-purpose applications.

These properties ensure that ASTM A240/ASME SA240 UNS S43000 stainless steel 430 sheet can withstand moderate mechanical stresses in mildly corrosive environments. Annealing at 760-816°C (1400-1500°F) optimizes UNS S43000 mechanical properties for formability and corrosion resistance.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 450 (65 ksi)
Yield Strength (MPa)	≥ 205 (30 ksi)
Elongation (%)	≥ 22
Hardness (HBW)	≤ 183
Density	7.7 g/cm³ (0.278 lb/in³)

At Gangsteel, we’ve seen clients use sa 240/a 240 uns s43000 sheets in automotive trim, where its formability and corrosion resistance provide advantages over sa 240/a 240 uns s41000.

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ASTM A240/ASME SA240 UNS S43000 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s43000 sheets, plates, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades standards:

Our advanced processing capabilities ensure precision and quality, meeting the diverse needs of global projects, from standard sizes to custom-cut components.

Sheet and Plate

• Thickness: 0.1 mm to 6 mm (sheet), 0.5 mm to 50 mm (plate)
• Width: Up to 2000 mm
• Length: 2000 mm to 12000 mm (or coiled for sheet)
• Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, No.4, BA, or customized
• Standards: ASTM A240, ASME SA240
• Applications: sa 240/a 240 uns s43000 sheets for automotive trim, UNS S43000 plates for appliance components

Coil

• Thickness: 0.1 mm to 6 mm
• Width: Up to 2000 mm
• Standards: ASTM A240, ASME SA240
• Applications: Continuous production for welded pipes and tubes

Bar

• Diameter: 6 mm to 300 mm
• Length: Up to 12000 mm
• Finish: Hot-rolled, cold-drawn, centerless ground
• Standards: ASTM A479, ASME SA-479
• Applications: ASTM A240/ASME SA240 UNS S43000 bars for structural components

Custom Components

• Types: Flanges (ASME B16.5), fittings, CNC-machined parts, stainless cutting sheet part
• Tolerances: ±0.05 mm for precision components
• Applications: Tailored solutions for automotive and appliance industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including precision cutting and heat treatments, to meet sa 240/a 240 uns stainless grades requirements. Contact us at admin@gangsteel.com for bespoke ASTM A240/ASME SA240 UNS S43000 material specifications.

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Applications of ASTM A240/ASME SA240 UNS S43000 Stainless Steel 430 Sheet

 

ASTM A240/ASME SA240 UNS S43000 stainless steel 430 sheetis tailored for industries requiring good corrosion resistance, formability, and aesthetic appeal in mildly corrosive environments. Its ferritic structure ensures durability and cost-effectiveness in various applications.

Key ASTM A240/ASME SA240 UNS S43000 applications include:

• Automotive: sa 240/a 240 uns s43000 sheets for trim, exhaust systems, and decorative components.
• Appliances: UNS S43000 plates for dishwasher panels, refrigerator linings, and kitchen equipment.
• Architectural: ASTM A240/ASME SA240 UNS S43000 bars for cladding and decorative panels.
• Food Processing: Equipment for non-aggressive environments.
• General-Purpose: Structural components requiring moderate corrosion resistance.

Case Study: An automotive supplier in India used sa 240/a 240 uns s43000 sheets for exhaust trim, achieving a 25% cost reduction compared to sa 240/a 240 uns s20200 while maintaining corrosion resistance and aesthetic appeal.

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ASTM A240/ASME SA240 UNS S43000 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s43000 with sa 240/a 240 uns s41000, sa 240/a 240 uns s20200, sa 240/a 240 uns s20100, and sa 240/a 240 uns s32550:

This comparison highlights the unique advantages of each grade, helping you select the optimal material for your project requirements.

Property	ASTM A240/ASME SA240 UNS S43000	ASME SA240 UNS S41000	ASME SA240 UNS S20200	ASME SA240 UNS S20100	ASME SA240 UNS S32550
UNS Number	S43000	S41000	S20200	S20100	S32550
Type	Ferritic	Martensitic	Austenitic	Austenitic	Super-Duplex
Chromium Content	16.0-18.0%	11.5-13.5%	17.0-19.0%	16.0-18.0%	24.0-27.0%
Nickel Content	≤ 0.75%	≤ 0.75%	4.0-6.0%	3.5-5.5%	4.5-6.5%
Manganese Content	≤ 1.0%	≤ 1.0%	7.5-10.0%	5.5-7.5%	≤ 1.5%
Molybdenum Content	-	-	-	-	2.9-3.9%
Nitrogen Content	-	-	≤ 0.25%	≤ 0.25%	0.1-0.25%
Carbon Content	≤ 0.12%	≤ 0.15%	≤ 0.15%	≤ 0.15%	≤ 0.04%
Corrosion Resistance	Good in mild environments	Moderate in mild environments	Good in mild environments	Moderate in mild environments	Exceptional in acids, chlorides
Strength	Moderate	High (heat-treated)	Moderate	Moderate	Very High
Temp Range	Up to 800°C (1472°F)	Up to 650°C (1202°F)	Up to 870°C (1598°F)	Up to 870°C (1598°F)	-50°C to 300°C (-58°F to 572°F)
Cost (USD/kg)	3-6	3-6	4-7	3-6	7-12
Applications	Automotive, appliances	Cutlery, industrial components	Architectural, appliances	Architectural, appliances	Chemical, marine, oil/gas

• ASTM A240/ASME SA240 UNS S43000 vs ASME SA240 UNS S41000: S43000 offers better corrosion resistance and formability due to its ferritic structure, while sa 240/a 240 uns s41000 provides higher strength and hardness for wear-resistant applications.
• ASTM A240/ASME SA240 UNS S43000 vs ASME SA240 UNS S20200: S43000 is more cost-effective with good corrosion resistance, while sa 240/a 240 uns s20200 offers better corrosion resistance and formability for mild environments.
• ASTM A240/ASME SA240 UNS S43000 vs ASME SA240 UNS S20100: S43000 provides similar corrosion resistance but lower ductility, while sa 240/a 240 uns s20100 offers better formability for architectural applications.
• ASTM A240/ASME SA240 UNS S43000 vs ASME SA240 UNS S32550: S43000 is suitable for mild environments, while sa 240/a 240 uns s32550 excels in high-strength, corrosive environments like chemical processing.

Conclusion: Choose sa 240/a 240 uns s43000 for cost-effective, formable applications in mild environments, sa 240/a 240 uns s41000 for high-strength, wear-resistant applications, sa 240/a 240 uns s20200 or sa 240/a 240 uns s20100 for austenitic applications, or sa 240/a 240 uns s32550 for high-strength, corrosion-resistant applications.

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ASTM A240/ASME SA240 UNS S43000 Equivalent Materials

 

ASTM A240/ASME SA240 UNS S43000aligns with international standards for global compatibility, ensuring seamless integration into projects worldwide.

The equivalent grades allow for flexibility in sourcing materials across different regions, making ASTM A240/ASME SA240 UNS S43000 a versatile choice for cost-effective applications.

Standard	Grade
UNS	S43000
W.Nr.	1.4016
EN	X6Cr17
JIS	SUS 430
GB	1Cr17
ASTM	A240 430
ASME	SA240 430

Note: ASTM A240/ASME SA240 UNS S43000 equivalent grades comply with sa 240/a 240 uns stainless grades, JIS, and GB standards, offering interchangeability with sa 240/a 240 uns s41000 for less demanding applications.

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ASTM A240/ASME SA240 UNS S43000 Allowable Stress

 

The allowable stress values for ASTM A240/ASME SA240 UNS S43000, per ASME BPVC Section II, Part D, ensure reliable performance in mildly corrosive environments.

These values reflect the material’s ability to withstand moderate mechanical stresses while maintaining corrosion resistance in non-aggressive conditions.

Temperature (°C)	Allowable Stress (MPa)
100	140
200	130
300	120
400	110
500	100

Note: These values ensure sa 240/a 240 uns s43000 performs reliably in automotive trim and appliance components.

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ASTM A240/ASME SA240 UNS S43000 Price

 

The ASTM A240/ASME SA240 UNS S43000 price per kg ranges from USD 3-6 per kg (FOB), influenced by several factors:

The cost-effectiveness and formability of ASTM A240/ASME SA240 UNS S43000 make it a preferred choice for automotive and appliance applications.

• Alloy Content: Higher chromium and minimal nickel content reduce costs compared to sa 240/a 240 uns s20200.
• Market Demand: High demand in automotive and appliance industries drives UNS S43000 price.
• Product Form: ASTM A240/ASME SA240 UNS S43000 plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASTM A240/ASME SA240 UNS S43000 cost.

For a precise ASTM A240/ASME SA240 UNS S43000 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

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Related Stainless Steel Grades

 

As a leading uns stainless supplier, Gangsteel offers a wide range of sa 240/a 240 uns stainless grades to complement sa 240/a 240 uns s43000 for various applications:

This diverse portfolio ensures clients can find the ideal material for their specific project needs, from corrosion resistance to high-temperature performance.

• sa 240/a 240 uns s20100: Cost-effective austenitic stainless steel for general-purpose applications.
• sa 240/a 240 uns s20200: Austenitic stainless steel with enhanced corrosion resistance for mild environments.
• sa 240/a 240 uns s30400: General-purpose austenitic stainless steel.
• sa 240/a 240 uns s30403: Low-carbon for enhanced weldability.
• sa 240/a 240 uns s30409: High-carbon for high-temperature strength.
• sa 240/a 240 uns s30908: Low-carbon for moderate high-temperature applications.
• sa 240/a 240 uns s31000: High-carbon for extreme high-temperature strength.
• sa 240/a 240 uns s31008: Low-carbon for enhanced weldability in high-temperature applications.
• sa 240/a 240 uns s31009: High-carbon for enhanced creep resistance.
• sa 240/a 240 uns s31600: Molybdenum-alloyed for chloride resistance.
• sa 240/a 240 uns s31603: Low-carbon for enhanced weldability in chloride environments.
• sa 240/a 240 uns s31700: High corrosion resistance for chemical processing.
• sa 240/a 240 uns s31703: Low-carbon for acidic environments.
• sa 240/a 240 uns s32100: Titanium-stabilized for high-temperature applications.
• sa 240/a 240 uns s32109: High-carbon for enhanced creep resistance.
• sa 240/a 240 uns s34700: Stabilized for high-temperature corrosion resistance.
• sa 240/a 240 uns s34709: Enhanced creep resistance for high-temperature applications.
• sa 240/a 240 uns s30815: High-temperature corrosion resistance.
• sa 240/a 240 uns n08904: Superior sulfuric acid resistance for chemical applications.
• sa 240/a 240 uns s31254: High corrosion resistance for aggressive environments.
• sa 240/a 240 uns s43932: Ferritic for automotive exhaust systems.
• sa 240/a 240 uns s44400: Ferritic with high corrosion resistance for water tanks.
• sa 240/a 240 uns s32304: Lean duplex for structural applications.
• sa 240/a 240 uns s31803: Duplex for marine and chemical applications.
• sa 240/a 240 uns s32205: Duplex for enhanced corrosion resistance.
• sa 240/a 240 uns s32750: Super-duplex for aggressive environments.
• sa 240/a 240 uns s32760: Super-duplex for extreme corrosion resistance.
• sa 240/a 240 uns s32520: Super-duplex for high-strength applications.
• sa 240/a 240 uns s32550: Super-duplex for enhanced sulfuric acid resistance.

Note: These grades complement sa 240/a 240 uns s43000 in automotive, appliance, and architectural applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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FAQ

 

Q: What is the main difference between ASTM A240/ASME SA240 UNS S43000 and ASME SA240 UNS S41000?

A: ASTM A240/ASME SA240 UNS S43000 offers better corrosion resistance and formability due to its ferritic structure and higher chromium content, while sa 240/a 240 uns s41000 provides higher strength and hardness for wear-resistant applications.

Q: Is ASTM A240/ASME SA240 UNS S43000 suitable for appliance applications?

A: Yes, its excellent formability and good corrosion resistance make it ideal for dishwasher panels and kitchen equipment in mild environments compared to sa 240/a 240 uns s20200.

Q: How does the price of ASTM A240/ASME SA240 UNS S43000 compare to ASME SA240 UNS S32550?

A: ASTM A240/ASME SA240 UNS S43000 is typically 50-60% less expensive than sa 240/a 240 uns s32550 due to its lower alloy content, offering cost-effective performance for mild environments.

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Contact Us

 

For sa 240/a 240 uns s43000 quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our sa 240/a 240 uns stainless grades portfolio for more options.

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