JIS G3463 SUS 315 J1TB Introduce

JIS G3463 SUS 315 J1TB is an alloy steel made of carbon, silicon, manganese, phosphorus and sulfur. It is mainly used in the construction of high-temperature equipment, such as boilers, pressure vessels, steam turbines and other components.JIS G3463 SUS 315 J1TB has good weldability, mechanical properties, and good corrosion resistance. It has been used in the production of various types of boilers and pressure vessels, including the reactors and columns of chemical plants. These contain high-temperature liquids and gases, including superheated steam.

Smelting temperature:1186°C - 1263°C

Application:stainless steel pipe

JIS G3463 SUS 315 J1TB Material Chemical Composition

The chemical composition of the JIS G3463 SUS 315 J1TB steel are as follows:

ElementMinMax
Vanadium (V)-0.0300
Silicon (Si)-0.6000
Sulfur (S)-0.0250
PhOsphorus (P)-0.0300
Nickel (Ni)-0.4000
Molybdenum (Mo)0.45000.6540
Manganese (Mn)0.80001.2000
Copper (Cu)-0.3000
Chromium (Cr)-0.3000
Carbon (C)0.15000.2000

JIS G3463 SUS 315 J1TB Material Mechanical Properties

The mechanical properties of the JIS G3463 SUS 315 J1TB steel are as follows:

YieldRp0.2 ≤ 464 (MPa)
TeileRm≤ 793 (MPa)
ImpactKV/Ku23(J)
ElongationA22%
Reduction in cross section on fractureZ21%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)232

JIS G3463 SUS 315 J1TB Material Thermal Properties

The thermal performance parameters of the JIS G3463 SUS 315 J1TB steel are as follows:

Temperature (°C)41937329
Modulus of elasticity (GPa)-815-
Mean coefficient of thermal expaion ×10-6/(°C)--31
Thermal conductivity (W/m·°C)-12.321.2
Specific thermal capacity (J/kg·°C)-213-
Specific electrical resistivity (Ω mm²/m)0.32--
Deity (kg/dm³)--211
Poisson’s coefficient, ν--144