1.4438, AISI 317L, X2CrNiMo18-15-4 - stainless steel
Stainless acid-resistant steel 1.4438, X2CrNiMo18-15-4, AISI 317L according to EN 10088-1.
| Standard | Steel Grade | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Ni: | Mo: | N: | ||
| EN | 1.4438 - X2CrNiMo18-15-4 | |||||||||
| <0.030 | <2.0 | <1.0 | <0.045 | <0.030 | 17.5 - 19.5 | 13.0 - 17.0 | 3.0 - 4.0 | <0.11 | ||
| ASTM | AISI 317L - UNS S31703 | |||||||||
| <0.035 | <2.0 | <1.0 | <0.045 | <0.030 | 18.0 - 20.0 | 11.0 - 15.0 | 3.0 - 4.0 | - | ||
| NF | Z3CND19-15-04 | |||||||||
| <0.03 | <2.0 | <0.75 | <0.035 | <0.010 | 17.5 - 19.5 | 14.0 - 16.0 | 3.0 - 4.0 | - | ||
| BS | 317S12 | |||||||||
| <0.03 | <2.0 | <1.0 | <0.045 | <0.030 | 17.5 - 19.5 | 14.0 - 17.0 | 3.0 - 4.0 | - | ||
1.4438, X2CrNiMo18-15-4, AISI 317L - specification and application
Austenitic acid-resistant special steel, used in the production of heat exchangers, pipelines, fittings, parts of radiators and pumps, connectors, tanks for chemical compounds, bolts and nuts. It is mainly used in the chemical, petrochemical, nitrogen, food, refinery, cryogenic and paper industries. Steel resistant to intergranular corrosion.
Mechanical properties of 1.4438, AISI 317L
- Tensile strength, Rm: 500 - 700 MPa
- The yield point, Rp0,2: >200 MPa
- Elongation, A:> 40%
- Modulus of elasticity, E: 200 GPa
- Hardness, HB: <215
- Specific resistance, Ω: 0.85 mkOhm * m
- Impact resistance, KV: > 60J
- Linear expansion coefficient, α: 16.0 * 10-6 K-1
- Thermal conductivity, λ: 14.0 W * m-1 * K-1
- Thermal capacity, cp: 500 J * kg-1 * K-1
| Temperature (℃) | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 |
|---|---|---|---|---|---|---|---|---|---|---|
| Modulus of elasticity, E (GPa) | 194 | - | 186 | - | 179 | - | 172 | - | 165 | - |
| The yield point, Rp0,2 (MPa) | >172 | >157 | >147 | >137 | >127 | >120 | >115 | >112 | >110 | >108 |
| Linear expansion coefficient, α (* 10-6 K-1) | 16.0 | - | 16.5 | - | 17.0 | - | 17.5 | - | 18.0 | - |
Heat and plastic treatment of 1.4438, AISI 317L
- forging and rolling at temperatures 1150 - 800℃
- Supersaturation at 1020 - 1100 ℃
Substitutes, equivalents and other species designations
X 2 CrNiMo18-15-4
TP317L
317 L
1.4438
1.4476
317S12
317 S 12
X3CrNiMo18-16-5
SUS317L
T 7MoNiCr180
UNS S31703
317-L
Z3CND19-15-04
Z 3 CND 19-15-04
Need help? Contact us!
Call or send a message, and our representative
will contact you within 24 hours!
Write
Call
