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UK B.S. BS 970, EN30B Specialsteel Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: EN30B
Category Class Grade Standard Country Application
Steel GradesSpecialsteel EN30B B.S. UK Wrought steels for mechanical and allied engineering purposes

Chemical composition(mass fraction)(wt.%) of the EN30B

C Si Mn Ni Cr Mo P S
0.26 -0.34 0.10 -0.35 0.45 -0.70 3.90 -4.30 1.10 -1.40 0.20 -0.35 ≤0.025 ≤0.025

Mechanical Properties of steel grade EN30B

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
438 (≥) 213 (≥) 44 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade EN30B

Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
32 - -     0.31 -  
627 823 - 11.3 342   -  
997 - 21 31.2   233 421

Heat Treatment of steel grade EN30B

Heat treated : 1562°C - 1748°C

Technological Curves of steel grade EN30B

Relevant standard of EN30B

BS 970 Wrought steels for mechanical and allied engineering purposes BS-970.pdf

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