ASTM A240/ASME SA240 UNS S31703 Stainless Steel 317L plates supplier

 

For applications requiring superior corrosion resistance, enhanced weldability, and durability in highly acidic and chloride-rich environments, ASTM A240/ASME SA240 UNS S31703 Stainless Steel 317L Sheet is an exceptional choice. As a leading uns stainless supplier, Gangsteel offers premium sa 240/a 240 uns s31703 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 S31703 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS S31703 price per kg. Whether you're an engineer designing welded chemical processing equipment or a procurement specialist sourcing for pulp and paper industries, this article will clarify why 317L 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 s31700, sa 240/a 240 uns s31603, and sa 240/a 240 uns s30403.

Why Choose ASTM A240/ASME SA240 UNS S31703 Stainless Steel 317L Sheet?

 

ASTM A240/ASME SA240 UNS S31703, commonly known as 317L stainless steel, is a low-carbon, molybdenum-alloyed austenitic stainless steel with 18.0-20.0% chromium, 11.0-15.0% nickel, and 3.0-4.0% 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 higher molybdenum content compared to sa 240/a 240 uns s31603 provides superior resistance to pitting and crevice corrosion in chloride-rich and acidic environments, making it suitable for chemical processing, pulp and paper, and marine applications.

The low carbon content ensures that ASTM A240/ASME SA240 UNS S31703 stainless steel 317L sheet maintains corrosion resistance in welded structures, offering a significant advantage over sa 240/a 240 uns s31700 for heavy welding applications. Its robust properties make it a preferred choice for demanding environments.

Key benefits of ASTM A240/ASME SA240 UNS S31703 stainless steel 317L sheet include:

• Enhanced Weldability: Low carbon content (≤ 0.03%) minimizes intergranular corrosion during welding, outperforming sa 240/a 240 uns s31700 in welded structures.
• Superior Corrosion Resistance: Higher molybdenum content (3.0-4.0%) enhances resistance to chlorides and acids, surpassing sa 240/a 240 uns s31603 in acidic environments.
• High Strength and Durability: Maintains structural integrity in moderate temperatures up to 870°C (1598°F).
• Versatility: Ideal for chemical processing, pulp and paper, and marine applications requiring enhanced corrosion resistance.

Case Study: A pulp and paper mill in India used sa 240/a 240 uns s31703 sheets for welded acid processing tanks, achieving a 40% increase in service life due to its superior acid resistance and weldability compared to sa 240/a 240 uns s31603.

Keywords: ASTM A240/ASME SA240 UNS S31703 stainless steel 317L sheet, UNS S31703 sheet, low-carbon molybdenum stainless steel, acid-resistant stainless steel sheet

ASTM A240/ASME SA240 UNS S31703 Chemical Composition

 

The ASTM A240/ASME SA240 UNS S31703 chemical composition is optimized for corrosion resistance, weldability, and strength, compliant with sa 240/a 240 uns stainless grades standards.

The high molybdenum content (3.0-4.0%) provides a pitting resistance equivalent number (PREN) of ~29-33, making ASTM A240/ASME SA240 UNS S31703 superior to sa 240/a 240 uns s31603 for acid and chloride resistance. The low carbon content (≤ 0.03%) ensures excellent weldability, minimizing the risk of intergranular corrosion in welded structures.

Element	Percentage (%)
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	11.0 – 15.0
Molybdenum (Mo)	3.0 – 4.0
Carbon (C)	≤ 0.03
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03
Iron (Fe)	Balance (~60%)

Keywords: ASTM A240/ASME SA240 UNS S31703 chemical composition, UNS S31703 composition, low-carbon molybdenum stainless steel chemistry, ASME SA240 Gr 317L composition

ASTM A240/ASME SA240 UNS S31703 Mechanical Properties

 

The ASTM A240/ASME SA240 UNS S31703 mechanical properties offer a balance of strength, ductility, and corrosion resistance, suitable for demanding applications.

These properties ensure that ASTM A240/ASME SA240 UNS S31703 stainless steel 317L sheet can withstand mechanical stresses in corrosive environments. Solution annealing at 1010-1120°C (1850-2048°F) optimizes UNS S31703 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 (%)	≥ 35	≥ 40
Hardness (HRB)	≤ 95	-
Density	8.0 g/cm³ (0.289 lb/in³)	-

At Gangsteel, we’ve seen clients use sa 240/a 240 uns s31703 sheets in welded chemical processing tanks, where its performance surpasses sa 240/a 240 uns s31603 in acidic environments.

Keywords: ASTM A240/ASME SA240 UNS S31703 mechanical properties, UNS S31703 strength, low-carbon molybdenum stainless steel properties, ASME SA240 Gr 317L mechanical properties

ASTM A240/ASME SA240 UNS S31703 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s31703 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 s31703 sheets for welded chemical processing tanks, UNS S31703 plates for pulp and paper equipment

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 S31703 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 chemical and pulp 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 S31703 material specifications.

Keywords: ASTM A240/ASME SA240 UNS S31703 stainless steel sheet specifications, UNS S31703 plate specifications, ASME SA 240 Gr 317L coil, ASME SA 240 Gr 317L bar

Applications of ASTM A240/ASME SA240 UNS S31703 Stainless Steel 317L Sheet

 

ASTM A240/ASME SA240 UNS S31703 stainless steel 317L sheetis tailored for industries requiring superior corrosion resistance and weldability in acidic and chloride-rich environments. Its low carbon content ensures excellent performance in welded structures, while its high molybdenum content provides superior resistance in harsh conditions.

Key ASTM A240/ASME SA240 UNS S31703 applications include:

• Chemical Processing: sa 240/a 240 uns s31703 sheets for welded reactors and tanks handling acids.
• Pulp and Paper: UNS S31703 plates for digesters and bleaching equipment.
• Marine: ASTM A240/ASME SA240 UNS S31703 bars for welded fittings in seawater systems.
• Pharmaceutical: Welded equipment requiring high corrosion resistance and hygiene.
• Power Generation: Components in flue gas desulfurization systems.

Case Study: A chemical plant in the UAE used sa 240/a 240 uns s31703 sheets for welded sulfuric acid tanks, reducing corrosion-related maintenance by 45% compared to sa 240/a 240 uns s31603.

Keywords: ASTM A240/ASME SA240 UNS S31703 applications, UNS S31703 uses, low-carbon molybdenum stainless steel applications, ASME SA240 Gr 317L applications

ASTM A240/ASME SA240 UNS S31703 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s31703 with sa 240/a 240 uns s31700, sa 240/a 240 uns s31603, 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 S31703	ASME SA240 UNS S31700	ASME SA240 UNS S31603	ASME SA240 UNS S30403
UNS Number	S31703	S31700	S31603	S30403
Type	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	18.0-20.0%	18.0-20.0%	16.0-18.0%	18.0-20.0%
Nickel Content	11.0-15.0%	11.0-15.0%	10.0-14.0%	8.0-12.0%
Molybdenum Content	3.0-4.0%	3.0-4.0%	2.0-3.0%	-
Carbon Content	≤ 0.03%	≤ 0.08%	≤ 0.03%	≤ 0.03%
Corrosion Resistance	Superior, enhanced weldability	Superior in acids	Excellent, enhanced weldability	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)	8-15	8-15	6-12	5-10
Applications	Welded chemical, pulp/paper	Chemical, pulp/paper	Welded marine, chemical	Welded food processing

• ASTM A240/ASME SA240 UNS S31703 vs ASME SA240 UNS S31700: S31703 offers enhanced weldability due to lower carbon, ideal for heavy welding, while sa 240/a 240 uns s31700 is standard for general corrosion resistance.
• ASTM A240/ASME SA240 UNS S31703 vs ASME SA240 UNS S31603: S31703 provides superior acid resistance with higher molybdenum, while sa 240/a 240 uns s31603 is cost-effective for chloride resistance.
• ASTM A240/ASME SA240 UNS S31703 vs ASME SA240 UNS S30403: S31703 excels in acidic and 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 s31703 for welded applications requiring superior acid resistance, sa 240/a 240 uns s31700 for general acid resistance, sa 240/a 240 uns s31603 for welded chloride resistance, or sa 240/a 240 uns s30403 for cost-effective welded structures in mild environments.

Keywords: ASTM A240/ASME SA240 UNS S31703 vs ASME SA240 UNS S31700, ASTM A240/ASME SA240 UNS S31703 vs ASME SA240 UNS S31603, ASTM A240/ASME SA240 UNS S31703 vs ASME SA240 UNS S30403, 317L stainless steel comparison

ASTM A240/ASME SA240 UNS S31703 Equivalent Materials

 

ASTM A240/ASME SA240 UNS S31703aligns 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 S31703 a versatile choice for welded corrosion-resistant applications.

Standard	Grade
UNS	S31703
W.Nr.	1.4438
EN	X2CrNiMo18-15-4
JIS	SUS 317L
GB	00Cr19Ni13Mo3
ASTM	A240
ASME	SA240

Note: ASTM A240/ASME SA240 UNS S31703 equivalent grades comply with sa 240/a 240 uns stainless grades, JIS, and GB standards, offering interchangeability with sa 240/a 240 uns s31700 for general applications.

Keywords: ASTM A240/ASME SA240 UNS S31703 equivalent, UNS S31703 equivalent, ASME SA 240 Gr 317L material standards, JIS SUS 317L, GB 00Cr19Ni13Mo3

ASTM A240/ASME SA240 UNS S31703 Allowable Stress

 

The allowable stress values for ASTM A240/ASME SA240 UNS S31703, 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 acidic and chloride-rich 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 s31703 performs reliably in welded chemical processing tanks and pulp equipment.

Keywords: ASTM A240/ASME SA240 UNS S31703 allowable stress, UNS S31703 strength, ASME SA240 Gr 317L material stress

ASTM A240/ASME SA240 UNS S31703 Price

 

The ASTM A240/ASME SA240 UNS S31703 price per kg ranges from USD 8-15 per kg (FOB), influenced by several factors:

The balance of weldability, corrosion resistance, and cost makes ASTM A240/ASME SA240 UNS S31703 a preferred choice for demanding applications in harsh environments.

• Alloy Content: Higher molybdenum content (3.0-4.0%) increases costs compared to sa 240/a 240 uns s31603.
• Market Demand: High demand in chemical and pulp industries drives UNS S31703 price.
• Product Form: ASTM A240/ASME SA240 UNS S31703 plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASTM A240/ASME SA240 UNS S31703 cost.

For a precise ASTM A240/ASME SA240 UNS S31703 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

Keywords: ASTM A240/ASME SA240 UNS S31703 price per kg, UNS S31703 cost, low-carbon molybdenum stainless steel price

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 s31703 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 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 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 s31703 in chemical, pulp, and marine applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

Keywords: ASTM A240/ASME SA240 UNS S31703 related grades, UNS S31703 stainless steel grades, 317L series stainless steel grades

FAQ

 

Q: What is the main difference between ASTM A240/ASME SA240 UNS S31703 and ASME SA240 UNS S31700?

A: ASTM A240/ASME SA240 UNS S31703 has lower carbon content for enhanced weldability, ideal for heavy welding, while sa 240/a 240 uns s31700 is standard for general corrosion resistance.

Q: Is ASTM A240/ASME SA240 UNS S31703 suitable for chemical processing?

A: Yes, its high molybdenum content and low carbon ensure superior resistance to acidic and chloride environments, making it ideal for welded chemical processing equipment compared to sa 240/a 240 uns s31603.

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

A: ASTM A240/ASME SA240 UNS S31703 is typically 20-30% more expensive than sa 240/a 240 uns s31603 due to higher molybdenum content, offering superior performance in acidic environments.

Keywords: ASTM A240/ASME SA240 UNS S31703 FAQ, UNS S31703 stainless steel questions, low-carbon molybdenum stainless steel sheet FAQ

Contact Us

 

For sa 240/a 240 uns s31703 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 S31703 supplier, Gangsteel stainless steel exporter, UNS S31703 sheet supplier

Long-Tail Keywords

 

ASTM A240/ASME SA240 UNS S31703 stainless steel 317L sheet, UNS S31703 applications, ASME SA240 Gr 317L mechanical properties