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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

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)
833 (≥) 165 (≥) 34 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade EN30B

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
12 - -     0.31 -  
188 673 - 33.3 432   -  
336 - 14 12.2   342 334

Heat Treatment of steel grade EN30B

Heat treated : 1343°C - 1426°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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