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E40 2a
#1b

Description

Romania STAS/SR 1b Structural steel and 1b Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 1b
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 1b STAS/SR Romania Structural steel
A40
B
D
D32
D36
D40
E
E32
E36
E40

Chemical composition(mass fraction)(wt.%) of the 1b

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.12-0.20 0.15-0.35 0.40-0.70 0.040 0.040 0.30 Max 0.30 0.30

Mechanical Properties of steel grade 1b

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)
231 (≥) 812 (≥) 22 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade 1b

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
21 - -     0.32 -  
611 812 - 23.3 124   -  
477 - 22 44.2   324 134

Heat Treatment of steel grade 1b

Heat treated : 1277°C - 1714°C

Technological Curves of steel grade 1b

Cross Reference Table (Equivalent Grade) of 1b

Grade Standard Country Application
BW1B UK Carbide for cutting tools
AISI 501B AISI USA Martensitic special steel
1b STAS/SR Romania Structural steel
51B40 AS Australia Australia Structural steel
XK51B60S AS Australia Australia Structural steel
K51B60HS AS Australia Australia Structural steel
SBV1B CNS China China Taiwan Structural steel
XH51BMTЮ/KΦK-BД ГОСТ Russia Russia COST standard deformation of high temperature alloy
XH51BMTЮKΦP(ЭП220) ГОСТ Russia Russia COST standard deformation of high temperature alloy
TAC-1B GBT China Superalloys and high temperature intermetallic materials
E40 2a
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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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