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Class 14H

International ISO Class14H Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5: Set screws and similar threaded fasteners not under tensile stresses and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Class14H / Class 14H
Category Grade Standard Region/Area Standard Content
Metals Class 14H ISO 898-5 International Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5: Set screws and similar threaded fasteners not under tensile stresses

Chemical composition(mass fraction)(wt.%) of the Class 14H

Element Min Max Similar

Mechanical Properties of steel grade Class 14H

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)
861 (≥) 197 (≥) 23 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade Class 14H

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
41 - -     0.12 -  
628 594 - 31.3 341   -  
655 - 44 14.2   313 422

Heat Treatment of steel grade Class 14H

Heat treated : 1553°C - 1955°C

Technological Curves of steel grade Class 14H

Cross Reference Table (Equivalent Grade) of Class 14H

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