1045 - ASTM A519/A519M-2024

Grade	1045
Corresponding Standard	ASTM A519/A519M-2024 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
Classification	Carbon Steel

1045 Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	0.43	0.6	-	-
Maximum Value	0.5	0.9	0.04	0.05

1045 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
HR-Hot rolled	515	310	15	HRB 80
CW-Cold worked	620	550	5	HRB 90
SR-Stress Relieved	550	485	8	HRB 85
A-Annealed	450	240	20	HRB 72
N-Normalized	515	330	15	HRB 80

1 Approximate Comparison Table High-Quality Carbon Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

U20452

S45C

SM45C

1045

G10450

C45E4

C45E
Ck45

1.1191

C45E
XC48

1660

C45E
080M46

2 Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering

United States	International Organization for Standardization	Germany	France	European Standard
ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade
1045	C45R C45M2	Cm45	XC48H1u	C45R	1.1201

3 Approximate Comparison Table Wrought Aluminum and Aluminum Alloy

China	Japan	United States		International Organization for Standardization		European Standard
GB	JIS	ASTM	UNS	ISO	Numerical Grade	EN
1045	1045 A91045	1045	A91045	Al99.45	A91045	EN-AW-Al99.45

4 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
45	S45C	1042 1045 Gr.1043	C45	C45	AF65C45 C45	C45	1.0503	45	1650	070M46 50HS

5 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
45H 45	S45C	1045	C45E4	Ck45	XC45 XC48H1	C45E	1.1191	45	1672	080M46 CFS8

1045 Corresponding Standards(Same grade name, different standards)

1	SAE
	1045 1045
2	ASTM A29/A29M-2012
	1045 G10450
3	GB /T 3190-2008
	1045
4	ASTM A29/A29M-2005
	1045 G10450 (C1045)
5	ASTM A510/A510M-2013
	1045 G10450 1045
6	SAE J403-2014
	1045 G10450
7	ASTM A29/A29M-2020
	1045 G10450
8	GB /T 3190-2020
	1045
9	ASTM A519/A519M-2024
	1045
10	ASTM A682/A682M-2005
	1045 G10450
11	ASTM A684/A684M-2024
	1045

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