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For applications requiring high strength, cost-effective corrosion resistance, and excellent formability in mild environments, ASTM A240/ASME SA240 UNS S24000 Stainless Steel Plate is an ideal choice. As a leading uns stainless supplier, Gangsteel specializes in providing premium sa 240/a 240 uns s24000 plates, sheets, 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 manufacturing capabilities, Gangsteel ensures rapid delivery and tailored solutions for clients worldwide.
This comprehensive guide explores the ASTM A240/ASME SA240 UNS S24000 chemical composition, mechanical properties, corrosion resistance, weldability, stainless steel surface finishes, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS S24000 price per kg.
Whether you're an engineer designing structural components or a procurement specialist sourcing for appliance manufacturing, this article will clarify why XM-29 (UNS S24000) 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 s21400, sa 240/a 240 uns s21600, sa 240/a 240 uns s21800, sa 240/a 240 uns s30100, sa 240/a 240 uns s30103, sa 240/a 240 uns s30153, and sa 240/a 240 uns s30200.
ASTM A240/ASME SA240 UNS S24000, commonly known as XM-29 stainless steel, is an austenitic stainless steel with 17.0-19.0% chromium, 2.3-3.7% nickel, 11.5-14.5% manganese, and 0.20-0.40% nitrogen. It is designed as a cost-effective alternative to higher-nickel grades like sa 240/a 240 uns s30100, offering moderate corrosion resistance, high strength, and excellent formability due to its high manganese and nitrogen content. The low carbon content (≤ 0.08%) enhances weldability, making it suitable for applications in structural, appliance, and general-purpose industries.
The ASTM A240/ASME SA240 UNS S24000 stainless steel plate provides higher strength than sa 240/a 240 uns s30103 and sa 240/a 240 uns s30153 due to its elevated manganese and nitrogen content, though it has slightly lower corrosion resistance compared to sa 240/a 240 uns s21600. Its affordability and mechanical properties make it a preferred choice for applications requiring strength and formability in mild environments.
Key benefits of ASTM A240/ASME SA240 UNS S24000 stainless steel plate include:
Case Study: A structural engineering firm in India used sa 240/a 240 uns s24000 plates for building frameworks, achieving a 20% cost reduction compared to sa 240/a 240 uns s30100 while maintaining strength and formability in mild environments.
Keywords: ASTM A240/ASME SA240 UNS S24000 stainless steel plate, UNS S24000 plate, XM-29 stainless steel, cost-effective stainless steel plate
ASTM A240/ASME SA240 UNS S24000offers moderate corrosion resistance in mild environments, such as indoor settings or areas with low humidity and minimal exposure to corrosive agents. Its 17.0-19.0% chromium and 0.20-0.40% nitrogen content provide a protective oxide layer, suitable for applications like structural components and appliances. It offers comparable corrosion resistance to sa 240/a 240 uns s30100, but is less resistant to pitting and crevice corrosion than molybdenum-containing grades like sa 240/a 240 uns s21600 or sa 240/a 240 uns s31603. For chloride-rich or acidic environments, grades like sa 240/a 240 uns s32550 are recommended.
Keywords: ASTM A240/ASME SA240 UNS S24000 corrosion resistance, UNS S24000 corrosion properties, XM-29 corrosion resistance
The low carbon content (≤ 0.08%) of ASTM A240/ASME SA240 UNS S24000 enhances its weldability by reducing the risk of carbide precipitation and intergranular corrosion during welding. This makes it superior to sa 240/a 240 uns s21400 for welded structures. It can be welded using common techniques such as TIG, MIG, and resistance welding, with appropriate filler materials to maintain corrosion resistance. Compared to sa 240/a 240 uns s21800, UNS S24000 offers comparable weldability but higher strength due to its elevated manganese and nitrogen content.
Keywords: ASTM A240/ASME SA240 UNS S24000 weldability, UNS S24000 welding properties, XM-29 weldability
The surface finish of ASTM A240/ASME SA240 UNS S24000 stainless steel plate significantly impacts its aesthetic appeal, functionality, and application suitability. Gangsteel offers a variety of surface finishes to meet diverse project requirements, as detailed below:
Surface Finish |
Definition/Feature |
Summary of Manufacturing Method |
Application/Use |
---|---|---|---|
NO.1 |
Silver white, matte |
Hot rolled to specified thickness, followed by heat treatment and pickling |
Chemical tank, pipe, no need for surface gloss purposes |
2B |
Stronger gloss than NO.2D |
Cold rolled, heat treated, pickled, and lightly cold rolled by polishing rollers |
Medical equipment, food industry, construction material, kitchen utensils, general materials |
NO.2D/2BB |
Silver white |
Heat treatment and pickling after cold rolling |
General materials, deep drawing materials |
NO.3 |
Rough grinding |
Polished with No.100 to No.120 abrasives (JIS R6001) or 100~200# grinding belt |
Kitchen utensils, building construction, building materials |
NO.4 (4K) |
Intermediate grinding |
Polished with No.150 to No.180 abrasives (JIS R6001) or 150~180# stone abrasive belt |
Kitchen utensils, building construction, medical equipment, building materials |
NO.240 |
Fine grinding |
Grinding with 240# stone abrasive belt |
Kitchenware |
NO.320 |
Very fine grinding |
Grinding with 320# abrasive belt |
Kitchenware |
NO.400 |
Gloss close to BA |
Grinding with 400# polishing wheel |
General timber, construction timber, kitchen utensils |
HL |
Hairline grinding, continuous polishing streaks |
Polished with suitable grain size abrasive (150~240#) for hairline grinding |
Building construction, buildings, construction materials |
BA (No.6/BA1/BA0) |
Bright as a mirror |
Bright heat treatment after cold rolling, high surface reflectivity |
Kitchen utensils, electric equipment, building construction, building materials |
NO.7 |
Close to mirror polishing |
Grinding with 600# rotary polishing wheel |
For art and decoration |
NO.8 (Mirror/8K) |
Shining like a mirror |
Grinding mirrors with polishing wheels |
Building construction, reflector, for decoration |
These surface finishes allow sa 240/a 240 uns s24000 to be tailored for aesthetic or functional requirements, such as the matte NO.1 finish for structural components or the BA finish for decorative applications.
Keywords: ASTM A240/ASME SA240 UNS S24000 surface finish, UNS S24000 stainless steel surface, XM-29 surface finishes
The ASTM A240/ASME SA240 UNS S24000 chemical composition is optimized for high strength, formability, and cost-effectiveness, compliant with sa 240/a 240 uns stainless grades standards.
The high manganese (11.5-14.5%) and nitrogen (0.20-0.40%) content, combined with moderate nickel (2.3-3.7%), maintain the austenitic structure while reducing costs compared to sa 240/a 240 uns s30100. The chromium content (17.0-19.0%) provides moderate corrosion resistance, while the low carbon content (≤ 0.08%) enhances weldability compared to sa 240/a 240 uns s21400.
Element |
Percentage (%) |
---|---|
Chromium (Cr) |
17.0 – 19.0 |
Nickel (Ni) |
2.3 – 3.7 |
Manganese (Mn) |
11.5 – 14.5 |
Nitrogen (N) |
0.20 – 0.40 |
Carbon (C) |
≤ 0.08 |
Silicon (Si) |
≤ 1.0 |
Phosphorus (P) |
≤ 0.060 |
Sulfur (S) |
≤ 0.030 |
Iron (Fe) |
Balance (~65%) |
Keywords: ASTM A240/ASME SA240 UNS S24000 chemical composition, UNS S24000 composition, XM-29 chemistry, ASME SA240 Gr S24000 composition
The ASTM A240/ASME SA240 UNS S24000 mechanical properties offer a balance of high strength, excellent formability, and good ductility, suitable for structural and appliance applications.
These properties ensure that ASTM A240/ASME SA240 UNS S24000 stainless steel plate can withstand moderate mechanical stresses in mild environments. Annealing at 1010-1120°C (1850-2048°F) optimizes UNS S24000 mechanical properties for strength and formability.
Property |
Value at 20°C |
---|---|
Tensile Strength (MPa) |
≥ 655 (95 ksi) |
Yield Strength (MPa) |
≥ 345 (50 ksi) |
Elongation (%) |
≥ 35 |
Hardness (HBW) |
≤ 241 |
Density |
7.8 g/cm³ (0.282 lb/in³) |
At Gangsteel, we’ve seen clients use sa 240/a 240 uns s24000 plates in appliance manufacturing, where its high strength and formability provide advantages over sa 240/a 240 uns s30153.
Keywords: ASTM A240/ASME SA240 UNS S24000 mechanical properties, UNS S24000 strength, XM-29 mechanical properties, ASME SA240 Gr S24000 mechanical properties
As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s24000 plates, sheets, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades standards:
Our state-of-the-art processing facilities ensure precision and quality, meeting the diverse needs of global projects, from standard sizes to custom-cut components.
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 S24000 material specifications.
Keywords: ASTM A240/ASME SA240 UNS S24000 stainless steel plate specifications, UNS S24000 plate specifications, ASME SA 240 Gr S24000 coil, ASME SA 240 Gr S24000 bar
ASTM A240/ASME SA240 UNS S24000 stainless steel plateis tailored for industries requiring high strength, excellent formability, and cost-effective corrosion resistance in mild environments. Its nitrogen-enhanced austenitic structure ensures versatility in various applications.
Key ASTM A240/ASME SA240 UNS S24000 applications include:
Case Study: An appliance manufacturer in India used sa 240/a 240 uns s24000 plates for refrigerator panels, achieving a 15% cost reduction compared to sa 240/a 240 uns s30100 while maintaining strength and corrosion resistance.
Keywords: ASTM A240/ASME SA240 UNS S24000 applications, UNS S24000 uses, XM-29 applications, ASME SA240 Gr S24000 applications
To aid in material selection, here’s a comparison of sa 240/a 240 uns s24000 with sa 240/a 240 uns s21400, sa 240/a 240 uns s21600, sa 240/a 240 uns s21800, sa 240/a 240 uns s30100, sa 240/a 240 uns s30103, and sa 240/a 240 uns s30153:
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 S24000 |
ASME SA240 UNS S21400 |
ASME SA240 UNS S21600 |
ASME SA240 UNS S21800 |
ASME SA240 UNS S30100 |
ASME SA240 UNS S30103 |
ASME SA240 UNS S30153 |
---|---|---|---|---|---|---|---|
UNS Number |
S24000 |
S21400 |
S21600 |
S21800 |
S30100 |
S30103 |
S30153 |
Type |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Chromium Content |
17.0-19.0% |
15.0-17.5% |
17.5-22.0% |
16.0-18.0% |
16.0-18.0% |
16.0-18.0% |
16.0-18.0% |
Nickel Content |
2.3-3.7% |
0.5-1.0% |
5.0-7.0% |
8.0-9.0% |
6.0-8.0% |
6.0-8.0% |
6.0-8.0% |
Manganese Content |
11.5-14.5% |
14.0-16.0% |
7.5-9.0% |
7.0-9.0% |
≤ 2.0% |
≤ 2.0% |
≤ 2.0% |
Molybdenum Content |
- |
- |
2.0-3.0% |
- |
- |
- |
- |
Nitrogen Content |
0.20-0.40% |
0.30-0.45% |
0.25-0.50% |
0.08-0.18% |
≤ 0.10% |
≤ 0.10% |
0.10-0.20% |
Carbon Content |
≤ 0.08% |
≤ 0.12% |
≤ 0.08% |
≤ 0.10% |
≤ 0.15% |
≤ 0.03% |
≤ 0.03% |
Corrosion Resistance |
Moderate in mild environments |
Moderate in mild environments |
Excellent in chlorides |
Moderate in mild environments |
Good in mild environments |
Good in mild environments |
Good in mild environments |
Strength |
High |
High |
High |
Moderate |
Moderate |
Moderate |
Moderate |
Temp Range |
Up to 870°C (1598°F) |
Up to 870°C (1598°F) |
Up to 870°C (1598°F) |
Up to 870°C (1598°F) |
Up to 870°C (1598°F) |
Up to 870°C (1598°F) |
Up to 870°C (1598°F) |
Cost (USD/kg) |
4-7 |
3-6 |
6-9 |
5-8 |
4-7 |
4-7 |
4-7 |
Applications |
Structural, appliances |
Structural, automotive |
Chemical, marine, industrial |
Aerospace, industrial, marine |
Springs, automotive trim |
Springs, appliances |
Automotive, structural |
Conclusion: Choose sa 240/a 240 uns s24000 for high-strength, cost-effective applications in mild environments, sa 240/a 240 uns s21400 for higher strength, sa 240/a 240 uns s21600 for chloride-rich environments, sa 240/a 240 uns s21800 for wear-resistant applications, or sa 240/a 240 uns s30100, sa 240/a 240 uns s30103, or sa 240/a 240 uns s30153 for applications requiring higher corrosion resistance or weldability.
Keywords: ASTM A240/ASME SA240 UNS S24000 vs ASME SA240 UNS S21400, ASTM A240/ASME SA240 UNS S24000 vs ASME SA240 UNS S21600, ASTM A240/ASME SA240 UNS S24000 vs ASME SA240 UNS S21800, ASTM A240/ASME SA240 UNS S24000 vs ASME SA240 UNS S30100, ASTM A240/ASME SA240 UNS S24000 vs ASME SA240 UNS S30103, ASTM A240/ASME SA240 UNS S24000 vs ASME SA240 UNS S30153, XM-29 comparison
ASTM A240/ASME SA240 UNS S24000aligns 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 S24000 a versatile choice for cost-effective applications.
Standard |
Grade |
---|---|
UNS |
S24000 |
W.Nr. |
1.4369 |
EN |
X11CrMnNiN19-12-3 |
ASTM |
A240 |
ASME |
SA240 |
Note: ASTM A240/ASME SA240 UNS S24000 equivalent grades comply with sa 240/a 240 uns stainless grades standards, offering interchangeability with sa 240/a 240 uns s21400 for similar applications.
Keywords: ASTM A240/ASME SA240 UNS S24000 equivalent, UNS S24000 equivalent, ASME SA 240 Gr S24000 material standards, EN X11CrMnNiN19-12-3
The allowable stress values for ASTM A240/ASME SA240 UNS S24000, per ASME BPVC Section II, Part D, ensure reliable performance in mild 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 s24000 performs reliably in structural and appliance applications.
Keywords: ASTM A240/ASME SA240 UNS S24000 allowable stress, UNS S24000 strength, ASME SA240 Gr S24000 material stress
The ASTM A240/ASME SA240 UNS S24000 price per kg ranges from USD 4-7 per kg (FOB), influenced by several factors:
The high strength and cost-effectiveness of ASTM A240/ASME SA240 UNS S24000 make it a preferred choice for structural and appliance applications.
For a precise ASTM A240/ASME SA240 UNS S24000 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.
Keywords: ASTM A240/ASME SA240 UNS S24000 price per kg, UNS S24000 cost, XM-29 price
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 s24000 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.
Note: These grades complement sa 240/a 240 uns s24000 in structural, appliance, and general-purpose applications. Contact Gangsteel for a full catalog to find the perfect material for your project.
Keywords: ASTM A240/ASME SA240 UNS S24000 related grades, UNS S24000 stainless steel grades, XM-29 grades
Q: What is the main difference between ASTM A240/ASME SA240 UNS S24000 and ASME SA240 UNS S30100?
A: ASTM A240/ASME SA240 UNS S24000 offers higher strength due to elevated manganese and nitrogen content, while sa 240/a 240 uns s30100 provides better corrosion resistance due to higher nickel and chromium content.
Q: Is ASTM A240/ASME SA240 UNS S24000 suitable for structural applications?
A: Yes, its high strength and excellent formability make it ideal for structural components in mild environments compared to sa 240/a 240 uns s21800.
Q: How does the price of ASTM A240/ASME SA240 UNS S24000 compare to ASME SA240 UNS S21600?
A: ASTM A240/ASME SA240 UNS S24000 is typically 20-30% less expensive than sa 240/a 240 uns s21600 due to the absence of molybdenum, offering cost-effective performance for mild environments.
Keywords: ASTM A240/ASME SA240 UNS S24000 FAQ, UNS S24000 stainless steel questions, XM-29 FAQ
For sa 240/a 240 uns s24000 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.
Keywords: ASTM A240/ASME SA240 UNS S24000 supplier, Gangsteel stainless steel exporter, UNS S24000 plate supplier
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