B5 - BS 3100-1991

Grade	B5
Corresponding Standard	BS 3100-1991 Specification for Steel Castings for General Engineering Purposes
Classification	Cast Steel

B5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^②	Cu ^②	Mo
Minimum Value	-	-	0.4	-	-	4	-	-	0.45
Maximum Value	0.2	0.75	0.7	0.04	0.04	6	0.4	0.3	0.65

B5 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
N+T or OQ+T or WQ+T (T 720°C max)	≥620	≥420	≥13	≥25

Approximate Comparison Table Cast Steel

B5 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!