A27 Grade 70-40 [485-275] J02501 - ASTM A27/A27M-2017

Grade	A27 Grade 70-40 [485-275]
USA UNS	J02501
Corresponding Standard	ASTM A27/A27M-2017 Standard Specification for Steel Castings, Carbon, for General Application
Classification	Cast Steel

A27 Grade 70-40 [485-275] Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	-	-	-	-	-
Maximum Value	0.25	0.8	1.2	0.035	0.035

Note: For each reduction of 0.01 % carbon below the maximum specified, an increase of 0.04 % manganese above the maximum specified will be permitted to a maximum of 1.40 % for Grade 70~40 [485~275] and 1.00 % for the other grades.

A27 Grade 70-40 [485-275] Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
≥485	≥275	≥22	≥30

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

ZG12Cr2Mo1G

SCPH32

WC9

J02501

≈G17CrMo9-10

GS-18CrMo9-10

1.7379

15CD9.10-M

≈14Х21МРЛ

2224

G17CrMo9-10

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