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A4

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RV510 A5
#A4

Description

Romania STAS/SR A4 Structural steel and A4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: A4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel A4 STAS/SR Romania Structural steel
OLC8XS
L-410
B1
B2
A21
26MnSil7
9SiMn16
10Ni35
HSiMn10
RV510

Chemical composition(mass fraction)(wt.%) of the A4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.10 0.05 0.50 0.035 0.035 0.03 0.10 0.1

Mechanical Properties of steel grade A4

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)
586 (≥) 197 (≥) 12 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade A4

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
43 - -     0.14 -  
567 839 - 24.3 211   -  
559 - 14 42.2   432 343

Heat Treatment of steel grade A4

Heat treated : 1631°C - 1592°C

Technological Curves of steel grade A4

Cross Reference Table (Equivalent Grade) of A4

Grade Standard Country Application
A4 ASTM USA Alloy tool steel
A40 JIS Japan Carbide for cutting tools
ISO A4 ISO ISO ISO standard thermal deformation of stainless steel
A4 STAS/SR Romania Structural steel
A40 STAS/SR Romania Structural steel
HA4N AS Australia Australia Structural steel
CA4 AS Australia Australia Structural steel
HA400 AS Australia Australia Structural steel
SMA400AW CNS China China Taiwan Structural steel
SMA400BW CNS China China Taiwan Structural steel
SMA400CW CNS China China Taiwan Structural steel
SMA400AP CNS China China Taiwan Structural steel
SMA400BP CNS China China Taiwan Structural steel
SMA400CP CNS China China Taiwan Structural steel
SMA490AW CNS China China Taiwan Structural steel
SMA490BW CNS China China Taiwan Structural steel
SMA490CW CNS China China Taiwan Structural steel
SMA490AP CNS China China Taiwan Structural steel
SMA490BP CNS China China Taiwan Structural steel
SMA490CP CNS China China Taiwan Structural steel
RV510 A5
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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