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1.6748

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Germany DIN 1.6748 Heat-treatable steel casting for forgings with wall thicknesses up to 100 mm and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.6748 / 1.6748
Category Grade Standard Region/Area Standard Content
Metals 1.6748 SEW 510 Germany Heat-treatable steel casting for forgings with wall thicknesses up to 100 mm

Chemical composition(mass fraction)(wt.%) of the 1.6748

Element Min Max Similar
Si 0.3000 0.6000 -
S - 0.0250 -
P - 0.0250 -
Ni 1.3000 1.7000 -
Mo 0.5000 0.7000 -
Mn 0.6000 1.0000 -
Cr 1.1000 1.5000 -
C 0.3700 0.4400 -

Mechanical Properties of steel grade 1.6748

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)
559 (≥) 192 (≥) 21 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 1.6748

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
11 - -     0.13 -  
758 319 - 34.3 211   -  
899 - 32 24.2   223 434

Heat Treatment of steel grade 1.6748

Heat treated : 1487°C - 1947°C

Technological Curves of steel grade 1.6748

Cross Reference Table (Equivalent Grade) of 1.6748

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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