SS 317L `Stainless Steel Alloys
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 |
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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