ASTM A240/ASME SA240 UNS S31603 Stainless Steel 316l sheet

 

ASTM A240/ASME SA240 UNS S31603 Stainless Steel 316L Sheet

 

For projects requiring exceptional corrosion resistance, enhanced weldability, and durability in harsh environments, ASTM A240/ASME SA240 UNS S31603 Stainless Steel 316L Sheet is a premier choice. As a leading uns stainless supplier, Gangsteel offers high-quality sa 240/a 240 uns s31603 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 S31603 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS S31603 price per kg.

Whether you're an engineer designing welded marine structures or a procurement specialist sourcing for chemical processing equipment, this article will clarify why 316L 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 s31600, sa 240/a 240 uns s31703, and sa 240/a 240 uns s30403.

Why Choose ASTM A240/ASME SA240 UNS S31603 Stainless Steel 316L Sheet?

 

ASTM A240/ASME SA240 UNS S31603, commonly known as 316L stainless steel, is a low-carbon, molybdenum-alloyed austenitic stainless steel with 16.0-18.0% chromium, 10.0-14.0% nickel, and 2.0-3.0% molybdenum. The "L" stands for low carbon, which enhances weldability by minimizing carbide precipitation, making it ideal for applications requiring heavy welding without post-weld annealing. The molybdenum content provides superior resistance to pitting and crevice corrosion in chloride-rich environments, making it suitable for marine, chemical, and pharmaceutical applications.

The low carbon content ensures that ASTM A240/ASME SA240 UNS S31603 stainless steel 316L sheet maintains corrosion resistance in welded structures, offering a significant advantage over sa 240/a 240 uns s31600 for heavy welding applications. Its robust properties make it a preferred choice for demanding environments.

Key benefits of ASTM A240/ASME SA240 UNS S31603 stainless steel 316L sheet include:

• Enhanced Weldability: Low carbon content (≤ 0.03%) minimizes intergranular corrosion during welding, outperforming sa 240/a 240 uns s31600 in welded structures.
• Superior Corrosion Resistance: Molybdenum enhances resistance to chlorides and acids, surpassing sa 240/a 240 uns s30403 in marine and chemical environments.
• High Strength and Durability: Maintains structural integrity in moderate temperatures up to 870°C (1598°F).
• Hygienic and Aesthetic: Non-porous surface ideal for food processing, medical equipment, and decorative applications.

Case Study: A pharmaceutical facility in India used sa 240/a 240 uns s31603 sheets for welded storage tanks, reducing corrosion-related downtime by 30% compared to sa 240/a 240 uns s30403 due to its superior chloride resistance and weldability.

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ASTM A240/ASME SA240 UNS S31603 Chemical Composition

 

The ASTM A240/ASME SA240 UNS S31603 chemical composition is optimized for corrosion resistance, weldability, and strength, compliant with sa 240/a 240 uns stainless grades standards.

The molybdenum content (2.0-3.0%) provides a pitting resistance equivalent number (PREN) of ~24-28, making ASTM A240/ASME SA240 UNS S31603 superior to sa 240/a 240 uns s30403 for chloride and acid resistance. The low carbon content (≤ 0.03%) ensures excellent weldability, minimizing the risk of intergranular corrosion in welded structures.

Element	Percentage (%)
Chromium (Cr)	16.0 – 18.0
Nickel (Ni)	10.0 – 14.0
Molybdenum (Mo)	2.0 – 3.0
Carbon (C)	≤ 0.03
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03
Iron (Fe)	Balance (~65%)

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ASTM A240/ASME SA240 UNS S31603 Mechanical Properties

 

The ASTM A240/ASME SA240 UNS S31603 mechanical properties provide a balance of strength, ductility, and corrosion resistance, suitable for a wide range of applications.

These properties ensure that ASTM A240/ASME SA240 UNS S31603 stainless steel 316L sheet can withstand mechanical stresses in corrosive environments. Solution annealing at 1010-1120°C (1850-2048°F) optimizes UNS S31603 mechanical properties for corrosion resistance and weldability.

Property	Value at 20°C	Value at 540°C (1000°F)
Tensile Strength (MPa)	≥ 485 (70 ksi)	≥ 350 (51 ksi)
Yield Strength (MPa)	≥ 170 (25 ksi)	≥ 140 (20 ksi)
Elongation (%)	≥ 40	≥ 45
Hardness (HRB)	≤ 95	-
Density	8.0 g/cm³ (0.289 lb/in³)	-

At Gangsteel, we’ve seen clients use sa 240/a 240 uns s31603 sheets in welded marine piping, where its performance surpasses sa 240/a 240 uns s30403 in chloride environments.

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ASTM A240/ASME SA240 UNS S31603 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s31603 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 100 mm (plate)
• Width: Up to 4200 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 s31603 sheets for welded marine fittings, UNS S31603 plates for chemical tanks

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 500 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 S31603 bars for fittings and fasteners

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 marine and chemical 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 S31603 material specifications.

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Applications of ASTM A240/ASME SA240 UNS S31603 Stainless Steel 316L Sheet

 

ASTM A240/ASME SA240 UNS S31603 stainless steel 316L sheetis tailored for industries requiring corrosion resistance, weldability, and durability in harsh environments. Its low carbon content ensures excellent performance in welded structures, while its molybdenum content provides superior resistance in chloride-rich and acidic conditions.

Key ASTM A240/ASME SA240 UNS S31603 applications include:

• Marine: sa 240/a 240 uns s31603 sheets for welded seawater piping and boat fittings.
• Chemical Processing: UNS S31603 plates for reactors and tanks handling acids.
• Pharmaceutical: ASTM A240/ASME SA240 UNS S31603 bars for high-purity fittings and tubes.
• Food Processing: Welded equipment requiring hygiene and corrosion resistance.
• Medical: Surgical instruments and implants.

Case Study: A desalination plant in the UAE used sa 240/a 240 uns s31603 sheets for welded seawater tanks, achieving a 35% increase in service life compared to sa 240/a 240 uns s30403 due to its chloride resistance and weldability.

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ASTM A240/ASME SA240 UNS S31603 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s31603 with sa 240/a 240 uns s31600, sa 240/a 240 uns s31703, and sa 240/a 240 uns s30403:

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 S31603	ASME SA240 UNS S31600	ASME SA240 UNS S31703	ASME SA240 UNS S30403
UNS Number	S31603	S31600	S31703	S30403
Type	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	16.0-18.0%	16.0-18.0%	18.0-20.0%	18.0-20.0%
Nickel Content	10.0-14.0%	10.0-14.0%	11.0-15.0%	8.0-12.0%
Molybdenum Content	2.0-3.0%	2.0-3.0%	3.0-4.0%	-
Carbon Content	≤ 0.03%	≤ 0.08%	≤ 0.03%	≤ 0.03%
Corrosion Resistance	Excellent, enhanced weldability	Excellent in chlorides	Superior in acids	Good, enhanced weldability
Strength	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)
Cost (USD/kg)	6-12	6-12	8-15	5-10
Applications	Welded marine, chemical	Marine, chemical	Chemical, pulp/paper	Welded food processing

• ASTM A240/ASME SA240 UNS S31603 vs ASME SA240 UNS S31600: S31603 offers enhanced weldability due to lower carbon, ideal for heavy welding, while sa 240/a 240 uns s31600 is standard for general corrosion resistance.
• ASTM A240/ASME SA240 UNS S31603 vs ASME SA240 UNS S31703: S31603 is cost-effective for chloride resistance, while sa 240/a 240 uns s31703 provides superior acid resistance with higher molybdenum.
• ASTM A240/ASME SA240 UNS S31603 vs ASME SA240 UNS S30403: S31603 excels in chloride-rich environments due to molybdenum, while sa 240/a 240 uns s30403 is cost-effective for mild environments.

Conclusion: Choose sa 240/a 240 uns s31603 for welded chloride-resistant applications, sa 240/a 240 uns s31600 for general corrosion resistance, sa 240/a 240 uns s31703 for enhanced acid resistance, or sa 240/a 240 uns s30403 for cost-effective welded structures in mild environments.

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ASTM A240/ASME SA240 UNS S31603 Equivalent Materials

 

ASTM A240/ASME SA240 UNS S31603aligns 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 S31603 a versatile choice for welded corrosion-resistant applications.

Standard	Grade
UNS	S31603
W.Nr.	1.4404
EN	X2CrNiMo17-12-2
JIS	SUS 316L
GB	00Cr17Ni14Mo2
ASTM	A240 316l
ASME	SA240 316l

Note: ASTM A240/ASME SA240 UNS S31603 equivalent grades comply with sa 240/a 240 uns stainless grades, JIS, and GB standards, offering interchangeability with sa 240/a 240 uns s31600 for general applications.

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ASTM A240/ASME SA240 UNS S31603 Allowable Stress

 

The allowable stress values for ASTM A240/ASME SA240 UNS S31603, per ASME BPVC Section II, Part D, ensure reliable performance in high-temperature and corrosive environments.

These values reflect the material’s ability to withstand mechanical stresses while maintaining corrosion resistance in chloride-rich and acidic conditions.

Temperature (°C)	Allowable Stress (MPa)
100	155
200	145
300	135
400	125
500	115
600	105

Note: These values ensure sa 240/a 240 uns s31603 performs reliably in welded marine piping and chemical reactors.

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ASTM A240/ASME SA240 UNS S31603 Price

 

The ASTM A240/ASME SA240 UNS S31603 price per kg ranges from USD 6-12 per kg (FOB), influenced by several factors:

The balance of weldability, corrosion resistance, and cost makes ASTM A240/ASME SA240 UNS S31603 a preferred choice for demanding applications in harsh environments.

• Alloy Content: Molybdenum (2.0-3.0%) increases costs compared to sa 240/a 240 uns s30403.
• Market Demand: High demand in marine and chemical industries drives UNS S31603 price.
• Product Form: ASTM A240/ASME SA240 UNS S31603 plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASTM A240/ASME SA240 UNS S31603 cost.

For a precise ASTM A240/ASME SA240 UNS S31603 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 s31603 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 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 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 s2304: Lean duplex for structural applications.
• sa 240/a 240 uns s31803: Duplex for marine 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: Duplex for high-strength applications.
• sa 240/a 240 uns s32550: Enhanced sulfuric acid resistance.

Note: These grades complement sa 240/a 240 uns s31603 in marine, chemical, and pharmaceutical 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 S31603 and ASME SA240 UNS S31600?

A: ASTM A240/ASME SA240 UNS S31603 has lower carbon content for enhanced weldability, ideal for heavy welding, while sa 240/a 240 uns s31600 is standard for general corrosion resistance.

Q: Is ASTM A240/ASME SA240 UNS S31603 suitable for marine applications?

A: Yes, its molybdenum content and low carbon ensure excellent chloride resistance and weldability, making it ideal for welded seawater systems compared to sa 240/a 240 uns s30403.

Q: How does the price of ASTM A240/ASME SA240 UNS S31603 compare to ASME SA240 UNS S31703?

A: ASTM A240/ASME SA240 UNS S31603 is typically 20-30% less expensive than sa 240/a 240 uns s31703 due to lower molybdenum content, offering cost-effective performance for chloride environments.

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Contact Us

 

For sa 240/a 240 uns s31603 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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Long-Tail Keywords

 

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