JIS G3463 SUS XM27 TB Introduce

JIS G3463 SUS XM27 TB 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 XM27 TB 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:1424°C - 1322°C

Application:stainless steel pipe

JIS G3463 SUS XM27 TB Material Chemical Composition

The chemical composition of the JIS G3463 SUS XM27 TB steel are as follows:

ElementMinMax
Silicon (Si)-0.4000
Sulfur (S)-0.0200
PhOsphorus (P)-0.0300
(Ni+Cu)-0.5000
Nickel (Ni)-0.5000
Nitrogen (N)-0.0150
Molybdenum (Mo)0.75001.5000
Manganese (Mn)-0.4000
Copper (Cu)-0.2000
Chromium (Cr)25.000027.5000
Carbon (C)-0.0100

JIS G3463 SUS XM27 TB Material Mechanical Properties

The mechanical properties of the JIS G3463 SUS XM27 TB steel are as follows:

YieldRp0.2 ≤ 345 (MPa)
TeileRm≤ 398 (MPa)
ImpactKV/Ku44(J)
ElongationA44%
Reduction in cross section on fractureZ22%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)134

JIS G3463 SUS XM27 TB Material Thermal Properties

The thermal performance parameters of the JIS G3463 SUS XM27 TB steel are as follows:

Temperature (°C)43433979
Modulus of elasticity (GPa)-985-
Mean coefficient of thermal expaion ×10-6/(°C)--33
Thermal conductivity (W/m·°C)-14.331.2
Specific thermal capacity (J/kg·°C)-241-
Specific electrical resistivity (Ω mm²/m)0.44--
Deity (kg/dm³)--444
Poisson’s coefficient, ν--434