JIS G4303 SUS 201 Introduce

JIS G4303 SUS 201 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 201 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:1667°C - 1739°C

Application:Stainless steel rod

JIS G4303 SUS 201 Material Chemical Composition

The chemical composition of the JIS G4303 SUS 201 steel are as follows:

ElementMinMax
Silicon (Si)-1.0000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0600
Nickel (Ni)3.50005.5000
Nitrogen (N)-0.2500
Manganese (Mn)5.50007.5000
Chromium (Cr)16.000018.0000
Carbon (C)-0.1500

JIS G4303 SUS 201 Material Mechanical Properties

The mechanical properties of the JIS G4303 SUS 201 steel are as follows:

YieldRp0.2 ≤ 692 (MPa)
TeileRm≤ 848 (MPa)
ImpactKV/Ku24(J)
ElongationA34%
Reduction in cross section on fractureZ41%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)414

JIS G4303 SUS 201 Material Thermal Properties

The thermal performance parameters of the JIS G4303 SUS 201 steel are as follows:

Temperature (°C)33926182
Modulus of elasticity (GPa)-779-
Mean coefficient of thermal expaion ×10-6/(°C)--43
Thermal conductivity (W/m·°C)-44.322.2
Specific thermal capacity (J/kg·°C)-324-
Specific electrical resistivity (Ω mm²/m)0.44--
Deity (kg/dm³)--241
Poisson’s coefficient, ν--142