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St 4

Favorite Datasheet

Germany DIN St4 Steel flat products; cold reduced mild unalloyed steel strip in widths not exceeding 650 mm; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St4 / St 4
Category Grade Standard Region/Area Standard Content
Metals St 4 DIN 1624 Germany Steel flat products; cold reduced mild unalloyed steel strip in widths not exceeding 650 mm; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the St 4

Element Min Max Similar
Fe - - -
C - 0.0800 -

Mechanical Properties of steel grade St 4

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)
777 (≥) 752 (≥) 44 33 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade St 4

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 - -     0.33 -  
559 955 - 33.3 121   -  
444 - 34 41.2   442 143

Heat Treatment of steel grade St 4

Heat treated : 1934°C - 1115°C

Technological Curves of steel grade St 4

Cross Reference Table (Equivalent Grade) of St 4

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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