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A 493 S40940

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SA-268 TP S40900 S40940
#409bc #S40940

Description

USA SAE A 493 (2009), A 493 S40940 Specialsteel Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 493 S40940
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 493 S40940 Ferrite SAE USA Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

Chemical composition(mass fraction)(wt.%) of the A 493 S40940

C Mn Si P S Cr Ni Mo
≤0.06 ≤1.00 ≤1.00 ≤0.045 ≤0.04 10.50 -11.70 ≤0.50 ≤ ≥

Mechanical Properties of steel grade A 493 S40940

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)
993 (≥) 683 (≥) 32 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade A 493 S40940

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 -  
537 415 - 12.3 431   -  
883 - 41 41.2   232 233

Heat Treatment of steel grade A 493 S40940

Heat treated : 1334°C - 1985°C

Technological Curves of steel grade A 493 S40940

Cross Reference Table (Equivalent Grade) of A 493 S40940

Grade Standard Country Application
S40940
UNS S40940

Relevant standard of A 493 S40940

A 493 (2009) Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging A-493-(2009).pdf
SA-268 TP S40900 S40940
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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