SS 317L `Stainless Steel Alloys

Stainless steel grade 317L is a low carbon version of grade 317 stainless steel. It has the same high strength and corrosion resistance as 317 steel but can produce stronger welds due to the low carbon content.

Applications
Grade 317L stainless steel is widely used in the following applications:

Condensers in fossil
Pulp and paper manufacturing
Nuclear fueled power generation stations
Chemical and petrochemical process equipment.

Stainless Steel 317L Composition

317/L Stainless Steel Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
317 min. 18.0 3.0-4.0 11.0
max. 0.08 2.0 1.0 0.040 0.030 20.0 14.0
317L min. 18.0 3.0-4.0 11.0
max. 0.08 2.0 1.0 0.040 0.030 20.0 15.0

Stainless Steel 317/L Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
317 515 205 35 75 205
317L 515 205 35 75 205

Stainless Steel 317/L Physical Properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-1000C 0-3150C 0-5380C at 1000C at 5000C
317 8000 193 15.9 16.2 17.0 14.2 18.7 500 740
317L 8000 193 15.9 16.2 17.0 14.2 18.7 500 740

Stainless Steel 317L Equivalent

Equivalent Grades for 317/L Stainless Steel

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 317 1.4449 S31700 SUS 317
SS 317L 1.4438 S31703 SUS 317L X2CrNiMo18-15-4
Steel Alloys is your premier choice when selecting 317L Stainless Steel pipes and tubes. Renowned for our extensive inventory and commitment to quality, we specialize in Seamless, ERW, welded, and Fabricated Pipes and Tubes, ensuring thousands of tons of stock are available year-round. Our expertise extends to UNS S31703, JIS SUS 317L, EN X2CrNiMo18- 15-4, WERKSTOFF NR. 1.4438, which exhibit outstanding mechanical properties including a minimum Tensile Strength of 515 MPa, minimum Yield Strength of 205 MPa, and an elongation rate of at least 35% in 50mm.

We offer a comprehensive range of sizes from 1/8″NB to 30″NB IN, with various schedules including SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS, and diverse end types such as Plain End, Beveled End, and Treated. Complying with stringent chemical composition standards, our 317L SS pipes and tubes feature maximum limits of 0.035 Carbon, 2 Manganese, 1 Silicon, 0.040 Phosphorous, and 0.03 Sulfur, alongside optimal levels of Chromium, molybdenum, and Nickel. Trust Steel alloy for unparalleled reliability and product excellence in every application scenario. Steel Alloys is your premier choice when selecting 317L Stainless Steel pipes and tubes.

Renowned for our extensive inventory and commitment to quality, we specialize in Seamless, ERW, welded, and Fabricated Pipes and Tubes, ensuring thousands of tons of stock are available year-round. Our expertise extends to UNS S31703, JIS SUS 317L, EN X2CrNiMo18- 15-4, WERKSTOFF NR. 1.4438, which exhibit outstanding mechanical properties including a minimum Tensile Strength of 515 MPa, minimum Yield Strength of 205 MPa, and an elongation rate of at least 35% in 50mm.

We offer a comprehensive range of sizes from 1/8″NB to 30″NB IN, with various schedules including SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS, and diverse end types such as Plain End, Beveled End, and Treated. Complying with stringent chemical composition standards, our 317L SS pipes and tubes feature maximum limits of 0.035 Carbon, 2 Manganese, 1 Silicon, 0.040 Phosphorous, and 0.03 Sulfur, alongside optimal levels of Chromium, molybdenum, and Nickel.

Trust Steel Alloys for unparalleled reliability and product excellence in every application scenario.

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