A1 - BS 3100-1991

Grade	A1
Corresponding Standard	BS 3100-1991 Specification for Steel castings for general engineering purposes
Classification	Cast Steel

A1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^②	Ni ^②	Cu ^②	Mo ^②	Other Total
Minimum Value	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.25	0.6	0.9	0.05	0.05	0.3	0.4	0.3	0.15	0.8

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

A1 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
A or N or N+T or OQ+T or WQ+T	≥430	≥230	≥22	≥27

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