ZG240-450B - GB /T 16253-1996

Grade	ZG240-450B
Corresponding Standard	GB /T 16253-1996 Steel Castings for Pressure Purposes
Classification	Cast Steel

ZG240-450B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	Mo ^*	V ^*
Minimum Value	-	-	1	-	-	-	-	-	-	-
Maximum Value	0.2	0.6	1.6	0.035	0.035	0.4	0.4	0.4	0.15	0.03

ZG240-450B Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
A or N(+T) or (Q+T)	450~600	≥240	≥22	≥35	Room Temperature ≥45

1 Approximate Comparison Table Cast Steel

China	International Organization for Standardization
GB	ISO
ZG240-450B	C23-45B

2 Approximate Comparison Table Steel castings for pressure purposes

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

SS₁₄

BS EN/BS

ZG240-450B

SCPH1

WCC

J02503

G240

GS-21Mn5
GS-C25

1.1138
1.0619

A420CP-M

20ГЛ

1306

GP240GH

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