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NiCoBSi 71 20

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EU EN NiCoBSi7120 热喷涂 - 粉末 - 组成，电源技术状况 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiCoBSi7120 / NiCoBSi 71 20
Category Grade Standard Region/Area Standard Content
Metals NiCoBSi 71 20 EN 1274 EU 热喷涂 - 粉末 - 组成，电源技术状况

Chemical composition(mass fraction)(wt.%) of the NiCoBSi 71 20

Element Min Max Similar
Si 4.0000 5.0000 -
Ni - - -
Fe - 0.5000 -
Co 19.0000 21.0000 -
C - 0.0500 -
B 2.6000 3.2000 -

Mechanical Properties of steel grade NiCoBSi 71 20

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)
868 (≥) 281 (≥) 31 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade NiCoBSi 71 20

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 - -     0.24 -  
231 931 - 31.3 433   -  
714 - 21 21.2   333 224

Heat Treatment of steel grade NiCoBSi 71 20

Heat treated : 1484°C - 1298°C

Technological Curves of steel grade NiCoBSi 71 20

Cross Reference Table (Equivalent Grade) of NiCoBSi 71 20

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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