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Description

Germany DIN 1.4948 The high-temperature and high-strength steel and 1.4948 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4948
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4948 DIN Germany The high-temperature and high-strength steel
1.4934
1.4935
X20CrMoWV12-1
1.4939
X12CrNiMoV12-3/X11CrNiMoN12
1.4938
X6CrNiTiB18-10/X8CrNiTi18-10
1.4941
X6CrNiWNb16-16
1.4945

Chemical composition(mass fraction)(wt.%) of the 1.4948

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) B(%) Ti(%)
0.04-0.10 Max 0.75 Max 2.00 Max 0.035 Max 0.015 17.0-18.5 9.50-11.5 Max 0.60 0.0015-0.0050 Max 0.80

Mechanical Properties of steel grade 1.4948

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
175 (≥) 593 (≥) 14 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade 1.4948

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
12 - -     0.11 -  
627 164 - 14.3 412   -  
766 - 23 12.2   412 314

Heat Treatment of steel grade 1.4948

Heat treated : 1278°C - 1383°C

Technological Curves of steel grade 1.4948

Cross Reference Table (Equivalent Grade) of 1.4948

Grade Standard Country Application
1.4948 DIN Germany The high-temperature and high-strength steel

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