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Class 10.9

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America SAE Class10.9 Mechanical and material requirements for metric externally threaded steel fasteners and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Class10.9 / Class 10.9
Category Grade Standard Region/Area Standard Content
Metals Class 10.9 SAE J 1199 America Mechanical and material requirements for metric externally threaded steel fasteners

Chemical composition(mass fraction)(wt.%) of the Class 10.9

Element Min Max Similar
S - 0.0450 -
P - 0.0400 -
C 0.2800 0.5500 -

Mechanical Properties of steel grade Class 10.9

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)
936 (≥) 515 (≥) 24 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade Class 10.9

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
43 - -     0.44 -  
243 278 - 42.3 343   -  
159 - 44 44.2   431 422

Heat Treatment of steel grade Class 10.9

Heat treated : 1992°C - 1676°C

Technological Curves of steel grade Class 10.9

Cross Reference Table (Equivalent Grade) of Class 10.9

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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