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Ni 7090 (NiCr20Co18Ti3)

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EU EN Ni7090(NiCr20Co18Ti3) 焊接消耗品 - 固体电极丝，固体条状电极，实芯焊丝，镍及镍合金熔化焊实心棒 - 分类 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Ni7090(NiCr20Co18Ti3) / Ni 7090 (NiCr20Co18Ti3)
Category Grade Standard Region/Area Standard Content
Metals Ni 7090 (NiCr20Co18Ti3) EN ISO 18274 EU 焊接消耗品 - 固体电极丝，固体条状电极，实芯焊丝，镍及镍合金熔化焊实心棒 - 分类

Chemical composition(mass fraction)(wt.%) of the Ni 7090 (NiCr20Co18Ti3)

Element Min Max Similar
Zr - 0.1500 -
Ti 2.0000 3.0000 -
Si - 1.0000 -
Pb - 0.0020 -
Other - 0.5000 -
Ni 50.0000 - -
Mn - 1.0000 -
Fe - 1.5000 -
Cu - 0.2000 -
Cr 18.0000 21.0000 -
Co 15.0000 18.0000 -
C - 0.1300 -
Bi - 0.0001 -
B - 0.0200 -
Al 1.0000 2.0000 -
Ag - 0.0005 -

Mechanical Properties of steel grade Ni 7090 (NiCr20Co18Ti3)

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)
232 (≥) 912 (≥) 42 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade Ni 7090 (NiCr20Co18Ti3)

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
44 - -     0.44 -  
759 466 - 13.3 433   -  
425 - 12 14.2   323 431

Heat Treatment of steel grade Ni 7090 (NiCr20Co18Ti3)

Heat treated : 1994°C - 1555°C

Technological Curves of steel grade Ni 7090 (NiCr20Co18Ti3)

Cross Reference Table (Equivalent Grade) of Ni 7090 (NiCr20Co18Ti3)

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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