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For applications requiring exceptional corrosion resistance, superior weldability, and high strength in aggressive chemical and high-temperature environments, ASME SA240/ASTM A240 UNS S31050 Stainless Steel Sheet (commonly known as 310MoLN) is an outstanding choice.
As a leading uns stainless supplier, Gangsteel specializes in providing high-quality sa 240/a 240 uns s31050 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 manufacturing capabilities, Gangsteel ensures rapid delivery and tailored solutions for clients worldwide.
Gangsteel explores the ASME SA240/ASTM A240 UNS S31050 chemical composition, density, mechanical properties, corrosion resistance, weldability, stainless steel surface finishes, equivalent materials, specifications, applications, and competitive ASME SA240/ASTM A240 UNS S31050 price per kg.
Whether you're an engineer designing chemical processing equipment or a procurement specialist sourcing for high-temperature applications, this article will clarify why 310MoLN stainless steel (UNS S31050) is a trusted option. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns s30615, sa 240/a 240 uns s30815, sa 240/a 240 uns s30909, sa 240/a 240 uns s30940, sa 240/a 240 uns s31040, sa 240/a 240 uns s31041, and sa 240/a 240 uns s31060.
ASME SA240/ASTM A240 UNS S31050, known as 310MoLN, is an austenitic stainless steel with 24.0-26.0% chromium, 21.0-23.0% nickel, 2.0-3.0% molybdenum, and 0.10-0.16% nitrogen. It is designed for applications requiring exceptional corrosion resistance, superior weldability, and high strength in aggressive chemical and high-temperature environments, making it ideal for industries such as chemical processing, petrochemical, and pulp and paper manufacturing. The low carbon content (≤ 0.030%) and nitrogen addition enhance weldability and strength, while molybdenum improves pitting and crevice corrosion resistance compared to sa 240/a 240 uns s31040.
The ASME SA240/ASTM A240 UNS S31050 stainless steel sheet offers superior corrosion resistance compared to sa 240/a 240 uns s30815 and better weldability than sa 240/a 240 uns s31041 due to its low carbon content. While it is slightly less corrosion-resistant than high-molybdenum grades like sa 240/a 240 uns s31254, its combination of corrosion resistance, weldability, and high-temperature performance makes it a preferred choice for chemical processing and high-temperature welded structures.
Key benefits of ASME SA240/ASTM A240 UNS S31050 stainless steel sheet include:
Case Study: A chemical processing plant in India used sa 240/a 240 uns s31050 sheets for welded reactor vessels, achieving a 30% reduction in corrosion-related maintenance compared to sa 240/a 240 uns s31040 due to its superior corrosion resistance and weldability.
Keywords: ASME SA240/ASTM A240 UNS S31050 stainless steel sheet, UNS S31050 sheet, 310MoLN stainless steel, corrosion-resistant stainless steel sheet
The density of ASME SA240/ASTM A240 UNS S31050 stainless steel sheet is approximately 7.89 g/cm³ (0.285 lb/in³). This density is typical for high-chromium and high-nickel austenitic stainless steels, reflecting the material's composition, which includes molybdenum and nitrogen. The consistent density ensures predictable performance in applications requiring precise weight calculations, such as chemical processing equipment and high-temperature components. Compared to grades like sa 240/a 240 uns s30815 (7.80 g/cm³) and sa 240/a 240 uns s31040 (7.89 g/cm³), the density is similar, making UNS S31050 a reliable choice for weight-sensitive applications in aggressive environments.
Keywords: ASME SA240/ASTM A240 UNS S31050 density, UNS S31050 density, 310MoLN density
ASME SA240/ASTM A240 UNS S31050offers exceptional corrosion resistance in aggressive chemical and high-temperature environments, such as chemical processing and pulp and paper industries. Its 24.0-26.0% chromium, 21.0-23.0% nickel, 2.0-3.0% molybdenum, and 0.10-0.16% nitrogen content provide a robust protective oxide layer and excellent pitting resistance, with a pitting resistance equivalent number (PREN) of ~30-34. This makes it suitable for applications like reactor vessels and heat exchanger tubes, outperforming sa 240/a 240 uns s30615, sa 240/a 240 uns s30940, and sa 240/a 240 uns s31041. For extremely corrosive environments, such as severe chloride conditions, grades like sa 240/a 240 uns s31254 are recommended.
Keywords: ASME SA240/ASTM A240 UNS S31050 corrosion resistance, UNS S31050 corrosion properties, 310MoLN corrosion resistance
The low carbon content (≤ 0.030%) of ASME SA240/ASTM A240 UNS S31050 ensures superior weldability by minimizing carbide precipitation and intergranular corrosion during welding, making it more weldable than sa 240/a 240 uns s31041 and sa 240/a 240 uns s30909. It can be welded using common techniques such as TIG, MIG, and shielded metal arc welding, with appropriate filler materials (e.g., 310MoLN-specific fillers) to maintain corrosion resistance and strength. Compared to sa 240/a 240 uns s31040, UNS S31050 offers comparable weldability but enhanced corrosion resistance due to molybdenum. For applications requiring extreme corrosion resistance and weldability, sa 240/a 240 uns s31254 is a viable alternative.
Keywords: ASME SA240/ASTM A240 UNS S31050 weldability, UNS S31050 welding properties, 310MoLN weldability
The surface finish of ASME SA240/ASTM A240 UNS S31050 stainless steel sheet 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 s31050 to be tailored for aesthetic or functional requirements, such as the 2B finish for chemical processing equipment or the NO.1 finish for high-temperature components.
Keywords: ASME SA240/ASTM A240 UNS S31050 surface finish, UNS S31050 stainless steel surface, 310MoLN surface finishes
The ASME SA240/ASTM A240 UNS S31050 chemical composition is optimized for corrosion resistance, weldability, and high strength, compliant with sa 240/a 240 uns stainless grades standards.
The high chromium (24.0-26.0%), nickel (21.0-23.0%), molybdenum (2.0-3.0%), and nitrogen (0.10-0.16%) content, combined with low carbon (≤ 0.030%), provide exceptional corrosion resistance and weldability compared to sa 240/a 240 uns s31040 and sa 240/a 240 uns s31041.
|
Element |
Percentage (%) |
|---|---|
|
Chromium (Cr) |
24.0 – 26.0 |
|
Nickel (Ni) |
21.0 – 23.0 |
|
Molybdenum (Mo) |
2.0 – 3.0 |
|
Nitrogen (N) |
0.10 – 0.16 |
|
Carbon (C) |
≤ 0.030 |
|
Manganese (Mn) |
≤ 2.0 |
|
Silicon (Si) |
≤ 0.70 |
|
Phosphorus (P) |
≤ 0.030 |
|
Sulfur (S) |
≤ 0.010 |
|
Iron (Fe) |
Balance (~50%) |
Keywords: ASME SA240/ASTM A240 UNS S31050 chemical composition, UNS S31050 composition, 310MoLN chemistry, ASME SA240 Gr S31050 composition
The ASME SA240/ASTM A240 UNS S31050 mechanical properties offer a balance of high strength, excellent corrosion resistance, and superior weldability, suitable for chemical processing and high-temperature applications.
These properties ensure that ASME SA240/ASTM A240 UNS S31050 stainless steel sheet can withstand mechanical stresses in aggressive environments. Solution annealing at 1040-1120°C (1904-2048°F) optimizes UNS S31050 mechanical properties for corrosion resistance and strength.
|
Property |
Value at 20°C |
|---|---|
|
Tensile Strength (MPa) |
≥ 580 (84 ksi) |
|
Yield Strength (MPa) |
≥ 270 (39 ksi) |
|
Elongation (%) |
≥ 40 |
|
Hardness (HBW) |
≤ 217 |
|
Density |
7.89 g/cm³ (0.285 lb/in³) |
At Gangsteel, we’ve seen clients use sa 240/a 240 uns s31050 sheets in chemical reactors, where its corrosion resistance and weldability provide significant advantages over sa 240/a 240 uns s31040.
Keywords: ASME SA240/ASTM A240 UNS S31050 mechanical properties, UNS S31050 strength, 310MoLN mechanical properties, ASME SA240 Gr S31050 mechanical properties
As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s31050 sheets, plates, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades standards:
Our advanced manufacturing 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 ASME SA240/ASTM A240 UNS S31050 material specifications.
Keywords: ASME SA240/ASTM A240 UNS S31050 stainless steel sheet specifications, UNS S31050 sheet specifications, ASME SA 240 Gr S31050 coil, ASME SA 240 Gr S31050 bar
ASME SA240/ASTM A240 UNS S31050 stainless steel sheetis tailored for industries requiring exceptional corrosion resistance, high strength, and superior weldability in aggressive environments. Its low-carbon, molybdenum-enhanced austenitic structure ensures durability in demanding applications.
Key ASME SA240/ASTM A240 UNS S31050 applications include:
Case Study: A pulp and paper plant in India used sa 240/a 240 uns s31050 sheets for digester linings, achieving a 25% reduction in corrosion-related downtime compared to sa 240/a 240 uns s31040 due to its superior corrosion resistance.
Keywords: ASME SA240/ASTM A240 UNS S31050 applications, UNS S31050 uses, 310MoLN applications, ASME SA240 Gr S31050 applications
To aid in material selection, here’s a comparison of sa 240/a 240 uns s31050 with sa 240/a 240 uns s30615, sa 240/a 240 uns s30815, sa 240/a 240 uns s30909, sa 240/a 240 uns s30940, sa 240/a 240 uns s31040, sa 240/a 240 uns s31041, and sa 240/a 240 uns s31060:
This comparison highlights the unique advantages of each grade, helping you select the optimal material for your project requirements.
|
Property |
ASME SA240/ASTM A240 UNS S31050 |
ASME SA240 UNS S30615 |
ASME SA240 UNS S30815 |
ASME SA240 UNS S30909 |
ASME SA240 UNS S30940 |
ASME SA240 UNS S31040 |
ASME SA240 UNS S31041 |
ASME SA240 UNS S31060 |
|---|---|---|---|---|---|---|---|---|
|
UNS Number |
S31050 |
S30615 |
S30815 |
S30909 |
S30940 |
S31040 |
S31041 |
S31060 |
|
Type |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
Austenitic |
|
Chromium Content |
24.0-26.0% |
18.0-19.5% |
20.0-22.0% |
22.0-24.0% |
22.0-24.0% |
24.0-26.0% |
24.0-26.0% |
24.0-26.0% |
|
Nickel Content |
21.0-23.0% |
13.5-15.0% |
10.0-12.0% |
12.0-15.0% |
12.0-15.0% |
19.0-22.0% |
19.0-22.0% |
19.0-22.0% |
|
Manganese Content |
≤ 2.0 |
≤ 2.0 |
≤ 0.80 |
≤ 2.0 |
≤ 2.0 |
≤ 2.0 |
≤ 2.0 |
≤ 2.0 |
|
Molybdenum Content |
2.0-3.0% |
0.80-1.20% |
- |
- |
- |
- |
- |
- |
|
Nitrogen Content |
0.10-0.16% |
0.15-0.25% |
0.14-0.20% |
- |
- |
- |
- |
- |
|
Carbon Content |
≤ 0.030% |
≤ 0.05% |
0.05-0.10% |
0.04-0.10% |
≤ 0.08% |
≤ 0.08% |
0.04-0.10% |
≤ 0.08% |
|
Corrosion Resistance |
Excellent in chemical environments |
Excellent in high-temperature environments |
Excellent in high-temperature environments |
Good in high-temperature environments |
Good in high-temperature environments |
Good in high-temperature environments |
Good in high-temperature environments |
Good in high-temperature environments |
|
Strength |
High (Chemical resistance) |
High (High-temperature) |
High (High-temperature) |
High (High-temperature) |
Moderate |
Moderate |
High (High-temperature) |
Moderate |
|
Temp Range |
Up to 1100°C (2012°F) |
Up to 950°C (1742°F) |
Up to 1150°C (2102°F) |
Up to 1000°C (1832°F) |
Up to 1000°C (1832°F) |
Up to 1100°C (2012°F) |
Up to 1100°C (2012°F) |
Up to 1100°C (2012°F) |
|
Cost (USD/kg) |
7-10 |
6-9 |
6-9 |
5-8 |
5-8 |
6-9 |
6-9 |
6-9 |
|
Applications |
Chemical processing, high-temperature |
High-temperature equipment, chemical processing |
Furnace components, petrochemical |
Heat exchangers, furnace components |
High-temperature welded structures |
High-temperature welded structures |
High-temperature equipment |
High-temperature equipment |
Conclusion: Choose sa 240/a 240 uns s31050 for corrosion-resistant, weldable applications in chemical environments, sa 240/a 240 uns s30615 or sa 240/a 240 uns s30815 for high-temperature oxidation resistance, sa 240/a 240 uns s30909 or sa 240/a 240 uns s31041 for high-temperature strength, sa 240/a 240 uns s30940 or sa 240/a 240 uns s31040 for weldable high-temperature structures, or sa 240/a 240 uns s31060 for general high-temperature applications.
Keywords: ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S30615, ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S30815, ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S30909, ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S30940, ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S31040, ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S31041, ASME SA240/ASTM A240 UNS S31050 vs ASME SA240 UNS S31060, 310MoLN comparison
ASME SA240/ASTM A240 UNS S31050aligns 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 ASME SA240/ASTM A240 UNS S31050 a versatile choice for chemical processing and high-temperature applications.
|
Standard |
Grade |
|---|---|
|
UNS |
S31050 |
|
W.Nr. |
1.4466 |
|
EN |
X1CrNiMoN25-22-2 |
|
ASTM |
A240 |
|
ASME |
SA240 |
Note: ASME SA240/ASTM A240 UNS S31050 equivalent grades comply with sa 240/a 240 uns stainless grades standards, offering interchangeability with sa 240/a 240 uns s31254 for similar corrosion-resistant applications.
Keywords: ASME SA240/ASTM A240 UNS S31050 equivalent, UNS S31050 equivalent, ASME SA 240 Gr S31050 material standards, EN X1CrNiMoN25-22-2
The allowable stress values for ASME SA240/ASTM A240 UNS S31050, per ASME BPVC Section II, Part D, ensure reliable performance in aggressive chemical and high-temperature environments.
These values reflect the material’s ability to withstand mechanical stresses while maintaining corrosion resistance.
|
Temperature (°C) |
Allowable Stress (MPa) |
|---|---|
|
100 |
145 |
|
200 |
135 |
|
300 |
125 |
|
400 |
115 |
|
500 |
105 |
Note: These values ensure sa 240/a 240 uns s31050 performs reliably in chemical processing and high-temperature applications.
Keywords: ASME SA240/ASTM A240 UNS S31050 allowable stress, UNS S31050 strength, ASME SA240 Gr S31050 material stress
The ASME SA240/ASTM A240 UNS S31050 price per kg ranges from USD 7-10 per kg (FOB), influenced by several factors:
The exceptional corrosion resistance and weldability of ASME SA240/ASTM A240 UNS S31050 make it a valuable choice for chemical processing and pulp and paper applications.
For a precise ASME SA240/ASTM A240 UNS S31050 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.
Keywords: ASME SA240/ASTM A240 UNS S31050 price per kg, UNS S31050 cost, 310MoLN 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 s31050 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 s31050 in chemical processing and high-temperature applications. Contact Gangsteel for a full catalog to find the perfect material for your project.
Keywords: ASME SA240/ASTM A240 UNS S31050 related grades, UNS S31050 stainless steel grades, 310MoLN grades
Q: What is the main difference between ASME SA240/ASTM A240 UNS S31050 and ASME SA240 UNS S31040?
A: ASME SA240/ASTM A240 UNS S31050 offers superior corrosion resistance and strength due to its molybdenum (2.0-3.0%) and nitrogen (0.10-0.16%) content, while sa 240/a 240 uns s31040 is optimized for weldability in high-temperature environments with niobium stabilization.
Q: Is ASME SA240/ASTM A240 UNS S31050 suitable for chemical processing applications?
A: Yes, its exceptional corrosion resistance and superior weldability make it ideal for welded chemical reactors compared to sa 240/a 240 uns s31041.
Q: How does the price of ASME SA240/ASTM A240 UNS S31050 compare to ASME SA240 UNS S31254?
A: ASME SA240/ASTM A240 UNS S31050 is typically 15-25% less expensive than sa 240/a 240 uns s31254 due to lower molybdenum content, offering cost-effective performance for chemical and high-temperature applications.
Keywords: ASME SA240/ASTM A240 UNS S31050 FAQ, UNS S31050 stainless steel questions, 310MoLN FAQ
For sa 240/a 240 uns s31050 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: ASME SA240/ASTM A240 UNS S31050 supplier, Gangsteel stainless steel exporter, UNS S31050 sheet supplier
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