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21 MoMnCr 12XS

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21MoMnCr12X 25MnCrSiil
#21 #MoMnCr #12XS

Description

Romania STAS/SR 21 MoMnCr 12XS Alloy structural steel and 21 MoMnCr 12XS Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 21 MoMnCr 12XS
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 21 MoMnCr 12XS STAS/SR Romania Alloy structural steel
20MoNi35S
20MoNi35X
20MoNi35XS
20TiMnCr12
20TiMnCr12S
20TiMnCrI2X
20TiMnCr12XS
21MoMnCr12
21MoMnCr12S
21MoMnCr12X

Chemical composition(mass fraction)(wt.%) of the 21 MoMnCr 12XS

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Ti(%)
0.18-0.24 0.17-0.37 0.80-1.20 0.025 0.020-0.035 1.00-1.40 0.3 0.20-0.30 0.02

Mechanical Properties of steel grade 21 MoMnCr 12XS

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)
896 (≥) 369 (≥) 33 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 21 MoMnCr 12XS

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
24 - -     0.31 -  
959 617 - 14.3 341   -  
958 - 32 31.2   231 421

Heat Treatment of steel grade 21 MoMnCr 12XS

Heat treated : 1444°C - 1436°C

Technological Curves of steel grade 21 MoMnCr 12XS

Cross Reference Table (Equivalent Grade) of 21 MoMnCr 12XS

Grade Standard Country Application
Q215 China Engineering and welding
Q215 B China Engineering and welding
UNS G10210 UNS USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
H21 ASTM USA Alloy tool steel
T20821 UNS USA Alloy tool steel
Stellite 21 Stellite alloy
X210Cr12 DIN Germany Cold working alloy tool steel
1.2101 DIN Germany Cold working alloy tool steel
1.2103 DIN Germany Cold working alloy tool steel
1.2108 DIN Germany Cold working alloy tool steel
1.2109 DIN Germany Cold working alloy tool steel
1.2127 DIN Germany Cold working alloy tool steel
1.2129 DIN Germany Cold working alloy tool steel
21MnCr5 DIN Germany Cold working alloy tool steel
1.2162 DIN Germany Cold working alloy tool steel
1.2210 DIN Germany Cold working alloy tool steel
X210CrW12 DIN Germany Cold working alloy tool steel
1.2721 DIN Germany Cold working alloy tool steel
X210CrCoW12 DIN Germany Cold working alloy tool steel
21MoMnCr12X 25MnCrSiil
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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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