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040 A 04

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030 A 04 040 A 04
#040-A-04

Description

UK B.S. BS 970-1, 040 A 04 Specialsteel Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 040 A 04
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 040 A 04 B.S. UK Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels

Chemical composition(mass fraction)(wt.%) of the 040 A 04

C Si Mn P S Cr Ni Mo
≤0.0800 0.2000 -0.0500 0.3000 -0.5000 ≤0.0500 ≤0.0500 16.5000 -18.5000 11.0000 -11.0000 2.2500 -2.2500

Mechanical Properties of steel grade 040 A 04

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)
443 (≥) 412 (≥) 41 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 040 A 04

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
22 - -     0.32 -  
848 916 - 33.3 333   -  
898 - 32 42.2   122 413

Heat Treatment of steel grade 040 A 04

Heat treated : 1748°C - 1345°C

Technological Curves of steel grade 040 A 04

Relevant standard of 040 A 04

BS 970-1 Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels BS-970-1.pdf
030 A 04 040 A 04
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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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