JIS G4303 SUS 317J4L Introduce

JIS G4303 SUS 317J4L is one of the most important grades of stainless steel used in the modern world. It is an alloy of iron, chromium, and nickel and is widely used for its durability, strength, and corrosion resistance. JIS G4303 SUS 317J4L is typically used for components in areas where there is frequent exposure to water, such as piping and storage tanks, as well as in medical and food production equipment.

Smelting temperature:1349°C - 1759°C

Application:Stainless steel rod

JIS G4303 SUS 317J4L Material Mechanical Properties

The mechanical properties of the JIS G4303 SUS 317J4L steel are as follows:

YieldRp0.2 ≤ 422 (MPa)
TeileRm≤ 823 (MPa)
ImpactKV/Ku41(J)
ElongationA12%
Reduction in cross section on fractureZ14%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)313

JIS G4303 SUS 317J4L Material Thermal Properties

The thermal performance parameters of the JIS G4303 SUS 317J4L steel are as follows:

Temperature (°C)22298665
Modulus of elasticity (GPa)-437-
Mean coefficient of thermal expaion ×10-6/(°C)--31
Thermal conductivity (W/m·°C)-11.321.2
Specific thermal capacity (J/kg·°C)-442-
Specific electrical resistivity (Ω mm²/m)0.21--
Deity (kg/dm³)--433
Poisson’s coefficient, ν--211