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A 534 18CrNiMo7-6

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1.4418 A 534 18NiCrMo14-6
#418

Description

USA SAE A 534 (2009), A 534 18CrNiMo7-6 Specialsteel Carburizing Steels for Anti-Friction Bearings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 534 18CrNiMo7-6
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 534 18CrNiMo7-6 Precipitation-Hardening SAE USA Carburizing Steels for Anti-Friction Bearings

Chemical composition(mass fraction)(wt.%) of the A 534 18CrNiMo7-6

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W
≤0.20 ≤0.50 ≤1.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤ ≥ ≤3.00

Mechanical Properties of steel grade A 534 18CrNiMo7-6

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)
271 (≥) 825 (≥) 34 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade A 534 18CrNiMo7-6

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
42 - -     0.31 -  
419 886 - 21.3 324   -  
756 - 13 12.2   123 143

Heat Treatment of steel grade A 534 18CrNiMo7-6

Heat treated : 1934°C - 1635°C

Technological Curves of steel grade A 534 18CrNiMo7-6

Cross Reference Table (Equivalent Grade) of A 534 18CrNiMo7-6

Grade Standard Country Application
1.4418
1.4418
S41800
S41800
418
S41800
AMS 6418F
UNS W50418
UNS W21418
SCM418
SCM418H
SCM418TK
418(S41800)
Type418(GreekAscollOy)
S41800
UNS S41800
1.4418
1.4418
GH4180
GH4180

Relevant standard of A 534 18CrNiMo7-6

A 534 (2009) Carburizing Steels for Anti-Friction Bearings A-534-(2009).pdf
1.4418 A 534 18NiCrMo14-6
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Jiangyou Longhai Special Steel Co.,Ltd.

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