B7 - BS 3100-1991

Grade	B7
Corresponding Standard	BS 3100-1991 Specification for Steel Castings for General Engineering Purposes
Classification	Cast Steel

B7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^②	Cu ^②	Mo	V	Sn ^②
Minimum Value	0.1	-	0.4	-	-	0.3	-	-	0.4	0.22	-
Maximum Value	0.15	0.45	0.7	0.03	0.03	0.5	0.3	0.3	0.6	0.3	0.025

B7 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
N+T(N 950°C to 1000°C, T 720°C max)	≥510	≥295	≥17

B7 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"!