030 A 04

UK B.S. BS 970-1 030 A 04 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.

B.S. 030 A 04 B.S. 030 A 04 Datasheet
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 030 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
Datasheet for:Steel Grades:Specialsteel:030 A 04

Chemical composition(mass fraction)(wt.%) of the 030 A 04

Elements Min.（≥） Max.（≤）
C - 0.0800
Si 0.2000 0.0500
Mn 0.2000 0.2000
P - 0.0500
S - 0.0500
Cr - 0.3000
Ni - 0.4000
Mo - 0.1500

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 030 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)
738 (≥) 149 (≥) 21 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
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 - -     0.31 -  
569 565 - 24.3 431   -  
921 - 21 14.2   334 441
Heat treated : 1634°C - 1371°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
030 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

Relevant standard

Standard No. Description Download
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
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030A04 Round Bar 030A04 Flat Bar 030A04 Hollow Bar 030A04 Tube / Pipe 030A04 Sheet / Plate 030A04 Strip / Coil 030A04 Wire 030A04 Forging 030A04 Tube / Pipe 030A04 Fastener / Bolt / Nut / Screw Welding Parts
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BS 970-1, 030 A 04 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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015-A-04