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1.4971

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1.4974 X12CrCoNi21-20
#1.4971

Description

Germany DIN 1.4971 The high-temperature and high-strength steel and 1.4971 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4971
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4971 DIN Germany The high-temperature and high-strength steel
X8CrNiNb16-13
1.4961
X12CrNiWTi16-13
1.4962
2.4964
CoCr20W15Ni
NiCr20Co18Ti
2.4969
2.4632
1.4974

Chemical composition(mass fraction)(wt.%) of the 1.4971

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) N(%) Co(%) Other(%)
0.08-0.16 0.08-0.16 1.00-2.00 Max 0.040 Max 0.030 20.0-22.5 19.0-21.0 2.50-3.50 2.00-3.00 0.1-0.2 18.5-21.0 Nb/Ta 0.75-1.25

Mechanical Properties of steel grade 1.4971

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)
637 (≥) 614 (≥) 31 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 1.4971

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
12 - -     0.24 -  
734 526 - 43.3 341   -  
711 - 24 32.2   243 132

Heat Treatment of steel grade 1.4971

Heat treated : 1338°C - 1683°C

Technological Curves of steel grade 1.4971

Cross Reference Table (Equivalent Grade) of 1.4971

Grade Standard Country Application
1.4971 DIN Germany The high-temperature and high-strength steel
1.4974 X12CrCoNi21-20
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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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