JIS G4303 SUS 317L Introduce

JIS G4303 SUS 317L is an important grade of stainless steel that is used in engineering components. It has excellent mechanical properties, including strength, hardness, corrosion resistance, ductility, formability, and dimensional stability. These properties make it a highly reliable and durable choice for industrial applications.

Smelting temperature:1187°C - 1768°C

Application:Stainless steel rod

JIS G4303 SUS 317L Material Chemical Composition

The chemical composition of the JIS G4303 SUS 317L steel are as follows:

ElementMinMax
Silicon (Si)-1.0000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0450
Nickel (Ni)11.000015.0000
Molybdenum (Mo)3.00004.0000
Manganese (Mn)-2.0000
Chromium (Cr)18.000020.0000
Carbon (C)-0.0300

JIS G4303 SUS 317L Material Mechanical Properties

The mechanical properties of the JIS G4303 SUS 317L steel are as follows:

YieldRp0.2 ≤ 542 (MPa)
TeileRm≤ 886 (MPa)
ImpactKV/Ku33(J)
ElongationA21%
Reduction in cross section on fractureZ43%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)331

JIS G4303 SUS 317L Material Thermal Properties

The thermal performance parameters of the JIS G4303 SUS 317L steel are as follows:

Temperature (°C)13151936
Modulus of elasticity (GPa)-318-
Mean coefficient of thermal expaion ×10-6/(°C)--42
Thermal conductivity (W/m·°C)-41.344.2
Specific thermal capacity (J/kg·°C)-323-
Specific electrical resistivity (Ω mm²/m)0.11--
Deity (kg/dm³)--343
Poisson’s coefficient, ν--411