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For applications requiring cost-effective corrosion resistance, excellent weldability, and moderate strength, ASME SA240/ASTM A240 UNS S41045 Stainless Steel Sheet is an ideal choice.
As a leading uns stainless supplier, Gangsteel specializes in providing high-quality sa240/a240 uns s41045 sheets, plates, coils, bars, and custom components, all compliant with sa240/a240 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 S41045 chemical composition, density, mechanical properties, corrosion resistance, weldability, stainless steel surface finishes, equivalent materials, specifications, applications, and competitive ASME SA240/ASTM A240 UNS S41045 price per kg.
Whether you're an engineer designing automotive components or a procurement specialist sourcing for industrial applications, this article will clarify why UNS S41045 stainless steel is a trusted option. Explore our sa240/a240 uns stainless grades portfolio for related grades like sa240/a240 uns s40500, sa240/a240 uns s40900, sa240/a240 uns s40910, sa240/a240 uns s40920, sa240/a240 uns s40930, sa240/a240 uns s40945, sa240/a240 uns s40975, sa240/a240 uns s40977, sa240/a240 uns s41000, sa240/a240 uns s41003, sa240/a240 uns s41008, sa240/a240 uns s41050, sa240/a240 uns s41500, sa240/a240 uns s42035, sa240/a240 uns s42900, sa240/a240 uns s43000, sa240/a240 uns s43035, sa240/a240 uns s43400, sa240/a240 uns s43600, sa240/a240 uns s43932, sa240/a240 uns s44400, sa240/a240 uns s44500, sa240/a240 uns s44626, sa240/a240 uns s44627, sa240/a240 uns s44635, sa240/a240 uns s44660, sa240/a240 uns s44700, sa240/a240 uns s44735, sa240/a240 uns s44800, and sa240/a240 uns s46800.
ASME SA240/ASTM A240 UNS S41045, a ferritic stainless steel, contains 11.5-13.5% chromium and niobium stabilization (6x(C+N) min, 0.6% max), offering a balance of corrosion resistance, excellent weldability, and moderate strength. It is designed for applications requiring durability in mild corrosive environments, such as automotive exhaust systems, industrial equipment, and structural components. The niobium stabilization and low carbon content (≤ 0.08%) prevent carbide precipitation during welding, ensuring superior weldability compared to martensitic grades like sa240/a240 uns s41000. Its ferritic structure provides good resistance to scaling at temperatures up to 650°C (1202°F).
The ASME SA240/ASTM A240 UNS S41045 stainless steel sheet offers excellent weldability comparable to sa240/a240 uns s40910 and is more cost-effective than higher-alloy grades like sa240/a240 uns s44400 for automotive and industrial applications. While it is less corrosion-resistant in chloride-rich environments than grades like sa240/a240 uns s41500, its combination of affordability, weldability, and moderate strength makes it a preferred choice for automotive exhaust components and structural supports. Compared to sa240/a240 uns s41003, it offers improved weldability due to niobium stabilization.
Key benefits of ASME SA240/ASTM A240 UNS S41045 stainless steel sheet include:
Case Study: An automotive manufacturer in India used sa240/a240 uns s41045 sheets for exhaust system components, achieving a 35% reduction in welding defects compared to sa240/a240 uns s41008 due to its niobium stabilization and low carbon content.
Keywords: ASME SA240/ASTM A240 UNS S41045 stainless steel sheet, UNS S41045 sheet, corrosion-resistant stainless steel sheet
The density of ASME SA240/ASTM A240 UNS S41045 stainless steel sheet is approximately 7.70 g/cm³ (0.278 lb/in³). This density is typical for ferritic stainless steels, reflecting its composition with low nickel and niobium stabilization. The consistent density ensures predictable performance in applications requiring precise weight calculations, such as automotive exhaust systems and structural components. Compared to grades like sa240/a240 uns s40500 (7.70 g/cm³) and sa240/a240 uns s41500 (7.80 g/cm³), the density is similar, making UNS S41045 a lightweight, cost-effective option for automotive and structural applications.
Keywords: ASME SA240/ASTM A240 UNS S41045 density, UNS S41045 density
ASME SA240/ASTM A240 UNS S41045offers good corrosion resistance in mild atmospheres, water, and some chemical environments due to its 11.5-13.5% chromium content, which forms a protective oxide layer. The niobium stabilization enhances resistance to intergranular corrosion, making it suitable for welded structures like automotive exhaust systems and industrial components, with a pitting resistance equivalent number (PREN) of ~11.5-13.5. It outperforms carbon steels but is less resistant to chloride-rich environments compared to molybdenum-containing grades like sa240/a240 uns s44400 or sa240/a240 uns s41500. For high-temperature oxidation resistance, grades like sa240/a240 uns s43000 are recommended. Compared to sa240/a240 uns s41003, it offers similar corrosion resistance but improved weldability due to niobium stabilization.
Keywords: ASME SA240/ASTM A240 UNS S41045 corrosion resistance, UNS S41045 corrosion properties
The niobium stabilization and low carbon content (≤ 0.08%) in ASME SA240/ASTM A240 UNS S41045 ensure excellent weldability by minimizing carbide precipitation and preventing intergranular corrosion during welding, making it more weldable than martensitic grades like sa240/a240 uns s41000 and comparable to sa240/a240 uns s40910. It can be welded using common techniques such as TIG, MIG, and shielded metal arc welding, with niobium-stabilized or low-carbon ferritic filler materials to maintain corrosion resistance and strength. Compared to sa240/a240 uns s41003, UNS S41045 offers superior weldability due to niobium stabilization. For applications requiring even better corrosion resistance and weldability, sa240/a240 uns s44400 is a viable alternative.
Keywords: ASME SA240/ASTM A240 UNS S41045 weldability, UNS S41045 welding properties
The surface finish of ASME SA240/ASTM A240 UNS S41045 stainless steel sheet significantly impacts its aesthetic appeal, functionality, and application suitability. Gangsteel offers a variety of surface finishes to meet diverse project requirements, presented in a clear tabular format:
|
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 |
Industrial tanks, pipes, no need for surface gloss |
|
2B |
Stronger gloss than NO.2D |
Cold rolled, heat treated, pickled, and lightly cold rolled by polishing rollers |
Automotive exhausts, industrial equipment, general materials |
|
NO.2D/2BB |
Silver white |
Heat treatment and pickling after cold rolling |
Deep-drawn components, general materials |
|
NO.3 |
Rough grinding |
Polished with No.100 to No.120 abrasives (JIS R6001) or 100~200# grinding belt |
Building materials, automotive components |
|
NO.4 (4K) |
Intermediate grinding |
Polished with No.150 to No.180 abrasives (JIS R6001) or 150~180# stone abrasive belt |
Architectural panels, industrial components |
|
NO.240 |
Fine grinding |
Grinding with 240# stone abrasive belt |
Precision components, decorative parts |
|
NO.320 |
Very fine grinding |
Grinding with 320# abrasive belt |
High-end industrial components |
|
NO.400 |
Gloss close to BA |
Grinding with 400# polishing wheel |
Decorative trim, industrial fittings |
|
HL |
Hairline grinding, continuous polishing streaks |
Polished with suitable grain size abrasive (150~240#) for hairline grinding |
Architectural cladding, structural components |
|
BA (No.6/BA1/BA0) |
Bright as a mirror |
Bright heat treatment after cold rolling, high surface reflectivity |
Decorative surfaces, high-end fittings |
|
NO.7 |
Close to mirror polishing |
Grinding with 600# rotary polishing wheel |
Art installations, decorative applications |
|
NO.8 (Mirror/8K) |
Shining like a mirror |
Grinding mirrors with polishing wheels |
Reflectors, architectural accents |
These surface finishes allow sa240/a240 uns s41045 to be tailored for aesthetic or functional requirements, such as the 2B finish for automotive exhausts or the NO.4 finish for industrial panels.
Keywords: ASME SA240/ASTM A240 UNS S41045 surface finish, UNS S41045 stainless steel surface
The ASME SA240/ASTM A240 UNS S41045 chemical composition is optimized for cost-effective corrosion resistance, excellent weldability, and moderate strength, compliant with sa240/a240 uns stainless grades standards.
The chromium (11.5-13.5%) and niobium stabilization (6x(C+N) min, 0.6% max), combined with low carbon (≤ 0.08%), provide good corrosion resistance and excellent weldability compared to sa240/a240 uns s41000.
|
Element |
Percentage (%) |
|---|---|
|
Chromium (Cr) |
11.5 – 13.5 |
|
Niobium (Nb) |
6x(C+N) – 0.6 |
|
Carbon (C) |
≤ 0.08 |
|
Manganese (Mn) |
≤ 1.0 |
|
Silicon (Si) |
≤ 1.0 |
|
Phosphorus (P) |
≤ 0.040 |
|
Sulfur (S) |
≤ 0.030 |
|
Nickel (Ni) |
≤ 0.50 |
|
Nitrogen (N) |
≤ 0.08 |
|
Iron (Fe) |
Balance (~85%) |
Keywords: ASME SA240/ASTM A240 UNS S41045 chemical composition, UNS S41045 composition, ASME SA240 Gr S41045 composition
The ASME SA240/ASTM A240 UNS S41045 mechanical properties offer a balance of moderate strength, good ductility, and excellent weldability, suitable for automotive and industrial applications.
These properties ensure that ASME SA240/ASTM A240 UNS S41045 stainless steel sheet can withstand mechanical stresses in mild to moderately corrosive environments. Annealing at 815-900°C (1500-1650°F) optimizes UNS S41045 mechanical properties for corrosion resistance and weldability.
|
Property |
Value at 20°C |
|---|---|
|
Tensile Strength (MPa) |
≥ 415 (60 ksi) |
|
Yield Strength (MPa) |
≥ 275 (40 ksi) |
|
Elongation (%) |
≥ 20 |
|
Hardness (HBW) |
≤ 183 |
|
Density |
7.70 g/cm³ (0.278 lb/in³) |
At Gangsteel, we’ve seen clients use sa240/a240 uns s41045 sheets in automotive exhaust systems, where its excellent weldability and cost-effectiveness provide advantages over sa240/a240 uns s41003.
Keywords: ASME SA240/ASTM A240 UNS S41045 mechanical properties, UNS S41045 strength, ASME SA240 Gr S41045 mechanical properties
As a trusted uns stainless supplier, Gangsteel supplies sa240/a240 uns s41045 sheets, plates, coils, bars, and custom components, compliant with sa240/a240 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 sa240/a240 uns stainless grades requirements. Contact us at admin@gangsteel.com for bespoke ASME SA240/ASTM A240 UNS S41045 material specifications.
Keywords: ASME SA240/ASTM A240 UNS S41045 stainless steel sheet specifications, UNS S41045 sheet specifications, ASME SA 240 Gr S41045 coil, ASME SA 240 Gr S41045 bar
ASME SA240/ASTM A240 UNS S41045 stainless steel sheetis tailored for industries requiring cost-effective corrosion resistance, excellent weldability, and moderate strength. Its ferritic structure ensures durability in non-aggressive environments.
Key ASME SA240/ASTM A240 UNS S41045 applications include:
Case Study: An industrial equipment manufacturer in India used sa240/a240 uns s41045 sheets for structural supports in a chemical processing plant, achieving a 30% cost reduction compared to sa240/a240 uns s41003 while maintaining reliable corrosion resistance and weldability.
Keywords: ASME SA240/ASTM A240 UNS S41045 applications, UNS S41045 uses, ASME SA240 Gr S41045 applications
To aid in material selection, here’s a comparison of sa240/a240 uns s41045 with six related grades: sa240/a240 uns s41003, sa240/a240 uns s41008, sa240/a240 uns s40900, sa240/a240 uns s40910, sa240/a240 uns s40920, and sa240/a240 uns s40930. This comparison is limited to seven grades to ensure display compatibility, focusing on ferritic grades for corrosion resistance and automotive/structural applications.
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 S41045 |
ASME SA240 UNS S41003 |
ASME SA240 UNS S41008 |
ASME SA240 UNS S40900 |
ASME SA240 UNS S40910 |
ASME SA240 UNS S40920 |
ASME SA240 UNS S40930 |
|---|---|---|---|---|---|---|---|
|
UNS Number |
S41045 |
S41003 |
S41008 |
S40900 |
S40910 |
S40920 |
S40930 |
|
Type |
Ferritic |
Ferritic |
Ferritic |
Ferritic |
Ferritic |
Ferritic |
Ferritic |
|
Chromium Content |
11.5-13.5% |
10.5-12.5% |
11.5-13.5% |
10.5-11.75% |
10.5-11.75% |
10.5-11.75% |
10.5-11.75% |
|
Nickel Content |
≤ 0.50% |
≤ 1.0% |
≤ 0.60% |
≤ 0.50% |
≤ 0.50% |
≤ 0.50% |
≤ 0.50% |
|
Manganese Content |
≤ 1.0 |
≤ 1.5 |
≤ 1.0 |
≤ 1.0 |
≤ 1.0 |
≤ 1.0 |
≤ 1.0 |
|
Molybdenum Content |
- |
- |
- |
- |
- |
- |
- |
|
Nitrogen Content |
≤ 0.08% |
≤ 0.03% |
- |
≤ 0.03% |
≤ 0.03% |
≤ 0.03% |
≤ 0.03% |
|
Carbon Content |
≤ 0.08% |
≤ 0.03% |
≤ 0.08% |
≤ 0.08% |
≤ 0.03% |
≤ 0.03% |
≤ 0.03% |
|
Corrosion Resistance |
Good in mild environments |
Good in mild environments |
Good in mild environments |
Good in mild environments |
Good in mild environments |
Good in mild environments |
Good in mild environments |
|
Strength |
Moderate |
Moderate |
Moderate |
Moderate |
Moderate |
Moderate |
Moderate |
|
Temp Range |
Up to 650°C (1202°F) |
Up to 650°C (1202°F) |
Up to 650°C (1202°F) |
Up to 675°C (1247°F) |
Up to 675°C (1247°F) |
Up to 675°C (1247°F) |
Up to 675°C (1247°F) |
|
Cost (USD/kg) |
2.5-4 |
2.5-4 |
3-5 |
2.5-4 |
2.5-4 |
2.5-4 |
2.5-4 |
|
Applications |
Automotive exhausts, industrial |
Structural supports, industrial |
Automotive, industrial |
Automotive exhausts, industrial |
Automotive exhausts, industrial |
Automotive exhausts, industrial |
Automotive exhausts, industrial |
Conclusion: Choose sa240/a240 uns s41045 for cost-effective, weldable automotive exhaust and structural applications, sa240/a240 uns s41003 for structural applications with higher strength, sa240/a240 uns s41008 for automotive applications with good corrosion resistance, or sa240/a240 uns s40900, sa240/a240 uns s40910, sa240/a240 uns s40920, or sa240/a240 uns s40930 for automotive exhaust applications with enhanced weldability.
Keywords: ASME SA240/ASTM A240 UNS S41045 vs ASME SA240 UNS S41003, ASME SA240/ASTM A240 UNS S41045 vs ASME SA240 UNS S41008, ASME SA240/ASTM A240 UNS S41045 vs ASME SA240 UNS S40900, ASME SA240/ASTM A240 UNS S41045 vs ASME SA240 UNS S40910, ASME SA240/ASTM A240 UNS S41045 vs ASME SA240 UNS S40920, ASME SA240/ASTM A240 UNS S41045 vs ASME SA240 UNS S40930
ASME SA240/ASTM A240 UNS S41045aligns with international standards for global compatibility, ensuring seamless integration into projects worldwide. The equivalent grades include GB (Chinese) and JIS (Japanese) standards, in addition to UNS, W.Nr., EN, ASTM, and ASME standards, consistent with previous requests.
The equivalent grades allow for flexibility in sourcing materials across different regions, making ASME SA240/ASTM A240 UNS S41045 a versatile choice for cost-effective, corrosion-resistant applications.
|
Standard |
Grade |
|---|---|
|
UNS |
S41045 |
|
W.Nr. |
1.4002 |
|
EN |
X6CrNb12 |
|
GB |
06Cr12Nb |
|
JIS |
SUS 410Nb |
|
ASTM |
A240 |
|
ASME |
SA240 |
Note: ASME SA240/ASTM A240 UNS S41045 equivalent grades comply with sa240/a240 uns stainless grades standards, offering interchangeability with sa240/a240 uns s41003 for similar applications.
Keywords: ASME SA240/ASTM A240 UNS S41045 equivalent, UNS S41045 equivalent, ASME SA 240 Gr S41045 material standards, EN X6CrNb12, GB 06Cr12Nb, JIS SUS 410Nb
The allowable stress values for ASME SA240/ASTM A240 UNS S41045, per ASME BPVC Section II, Part D, ensure reliable performance in mild to moderately corrosive environments.
These values reflect the material’s ability to withstand mechanical stresses at moderate temperatures while maintaining corrosion resistance.
|
Temperature (°C) |
Allowable Stress (MPa) |
|---|---|
|
100 |
115 |
|
200 |
105 |
|
300 |
95 |
|
400 |
85 |
|
500 |
75 |
Note: These values ensure sa240/a240 uns s41045 performs reliably in automotive and industrial applications.
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The ASME SA240/ASTM A240 UNS S41045 price per kg ranges from USD 2.5-4 per kg (FOB), influenced by several factors:
The cost-effective corrosion resistance, excellent weldability, and moderate strength of ASME SA240/ASTM A240 UNS S41045 make it a valuable choice for automotive and industrial applications.
For a precise ASME SA240/ASTM A240 UNS S41045 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.
Keywords: ASME SA240/ASTM A240 UNS S41045 price per kg, UNS S41045 cost
As a leading uns stainless supplier, Gangsteel offers a wide range of sa240/a240 uns stainless grades to complement sa240/a240 uns s41045 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 sa240/a240 uns s41045 in corrosion-resistant and automotive/structural applications. Contact Gangsteel for a full catalog to find the perfect material for your project.
Keywords: ASME SA240/ASTM A240 UNS S41045 related grades, UNS S41045 stainless steel grades
Q: What is the main difference between ASME SA240/ASTM A240 UNS S41045 and ASME SA240 UNS S41003?
A: ASME SA240/ASTM A240 UNS S41045 offers superior weldability due to niobium stabilization, while sa240/a240 uns s41003 provides higher strength and toughness due to nitrogen addition and lower carbon content.
Q: Is ASME SA240/ASTM A240 UNS S41045 suitable for automotive exhaust applications?
A: Yes, its cost-effective corrosion resistance and excellent weldability make it ideal for automotive exhaust systems compared to sa240/a240 uns s41000.
Q: How does the price of ASME SA240/ASTM A240 UNS S41045 compare to ASME SA240 UNS S43000?
A: ASME SA240/ASTM A240 UNS S41045 is typically 20-30% less expensive than sa240/a240 uns s43000 due to lower chromium content, offering cost-effective performance for mild environments.
Keywords: ASME SA240/ASTM A240 UNS S41045 FAQ, UNS S41045 stainless steel questions
For sa240/a240 uns s41045 quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our sa240/a240 uns stainless grades portfolio for more options.
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ASME SA240/ASTM A240 UNS S41045 stainless steel sheet, UNS S41045 applications, ASME SA240 Gr S41045 mechanical properties
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