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X 7 CrNiMoBNb 16-16

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EU EN X7CrNiMoBNb16-16 steels and nickel alloys for fasteners with specified elevated and/or low temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X7CrNiMoBNb16-16 / X 7 CrNiMoBNb 16-16
Category Grade Standard Region/Area Standard Content
Metals X 7 CrNiMoBNb 16-16 EN 10269 EU steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(mass fraction)(wt.%) of the X 7 CrNiMoBNb 16-16

Element Min Max Similar
C 0.0400 0.1000 -
Mn - 1.5000 -
P - 0.0450 -
S - 0.0300 -
Si 0.3000 0.6000 -
Ni 15.5000 17.5000 -
Cr 15.5000 17.5000 -
Mo 1.6000 2.0000 -
B 0.0500 0.1000 -
Nb+Ta - 1.2000 -

Mechanical Properties of steel grade X 7 CrNiMoBNb 16-16

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)
257 (≥) 591 (≥) 21 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade X 7 CrNiMoBNb 16-16

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
13 - -     0.14 -  
528 884 - 44.3 332   -  
268 - 42 24.2   231 423

Heat Treatment of steel grade X 7 CrNiMoBNb 16-16

Heat treated : 1845°C - 1652°C

Technological Curves of steel grade X 7 CrNiMoBNb 16-16

Cross Reference Table (Equivalent Grade) of X 7 CrNiMoBNb 16-16

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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