EN 10084 1.7149 Introduce

EN 10084 1.7149 steel is a high-carbon alloy steel with a carbon content ranging from 0.60% to 1.50%. This steel is primarily used in the automotive, agricultural and construction industries due to its useful properties. These properties include a high strength-to-weight ratio, excellent corrosion resistance and superior heat treatability. It is also hypoallergenic and non-toxic.

Smelting temperature:1911°C - 1837°C

Application:Case hardening steels - Technical delivery conditions

EN 10084 1.7149 Material Chemical Composition

The chemical composition of the EN 10084 1.7149 steel are as follows:

ElementMinMax
Silicon (Si)-0.4000
Sulfur (S)0.02000.0400
PhOsphorus (P)-0.0250
Manganese (Mn)1.10001.4000
Chromium (Cr)1.00001.3000
Carbon (C)0.17000.2200

EN 10084 1.7149 Material Mechanical Properties

The mechanical properties of the EN 10084 1.7149 steel are as follows:

YieldRp0.2 ≤ 639 (MPa)
TeileRm≤ 895 (MPa)
ImpactKV/Ku33(J)
ElongationA12%
Reduction in cross section on fractureZ33%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)122

EN 10084 1.7149 Material Thermal Properties

The thermal performance parameters of the EN 10084 1.7149 steel are as follows:

Temperature (°C)34319734
Modulus of elasticity (GPa)-633-
Mean coefficient of thermal expaion ×10-6/(°C)--34
Thermal conductivity (W/m·°C)-43.324.2
Specific thermal capacity (J/kg·°C)-333-
Specific electrical resistivity (Ω mm²/m)0.44--
Deity (kg/dm³)--224
Poisson’s coefficient, ν--332