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21TiMnCr12q

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21MoMnCr12q 34MoCrNi15q
#21TiMnCr12q

Description

Romania STAS/SR 21TiMnCr12q Alloy structural steel and 21TiMnCr12q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 21TiMnCr12q
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 21TiMnCr12q STAS/SR Romania Alloy structural steel
OLC45CS
OLC55CS
OLC15q
OLC35q
OLC45q
OL37q
RCB52q
18MnCr10q
18MoCrNi13q
21MoMnCr12q

Chemical composition(mass fraction)(wt.%) of the 21TiMnCr12q

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%) Ti(%)
0.18-0.24 0.17-0.37 0.80-1.10 0.035 0.035 1.10-1.30 0.3 0.3 0.040-0.10

Mechanical Properties of steel grade 21TiMnCr12q

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)
573 (≥) 222 (≥) 24 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 21TiMnCr12q

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
31 - -     0.44 -  
991 345 - 42.3 122   -  
672 - 22 13.2   434 232

Heat Treatment of steel grade 21TiMnCr12q

Heat treated : 1396°C - 1539°C

Technological Curves of steel grade 21TiMnCr12q

Cross Reference Table (Equivalent Grade) of 21TiMnCr12q

Grade Standard Country Application
21TiMnCr12q STAS/SR Romania Alloy structural steel
21MoMnCr12q 34MoCrNi15q
Available Suppliers
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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