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

Approximate Comparison Table Carbon cast steel for engineering and structural purposes

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

SS₁₄

BS EN/BS

ZG230-450
(ZG25)

C22345

SC450

230-450
(SC450)

SC450
(SC46)

450-240
65-35②

J03101

230-450

GS-45

1.0446

GE240

25Л

1305

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