5140H H51400 - ASTM A304-2016

Grade	5140H
USA UNS	H51400
Corresponding Standard	ASTM A304-2016 Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
Classification	Alloy Steel

5140H Chemical Element Composition Content (%)

Component	C	Si	Mn	Cr	Ni ^①	Cu ^①	Mo ^①
Minimum Value	0.37	0.15	0.6	0.6	-	-	-
Maximum Value	0.44	0.35	1	1	0.25	0.35	0.06

Note: Standard H Steels can be produced with a lead range of 0.15-0.35 %. Such steels are identified by inserting the letter L between the second and third numerals of the grade designation, for example, 40L40 H. Lead is generally reported as a range of 0.15-0.35 %.

Approximate Comparison Table Hardenability Guaranteed Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

40CrH

A20405

SCr440H

5140H

H51400

41Cr4H

41Cr4

1.7035

41Cr4

40Х

41Cr4

5140H Corresponding Standards(Same grade name, different standards)

1	ASTM A 304-2004
	5140H H51400
2	SAE J 1268-2010
	5140H H51400
3	ASTM A304-2016
	5140H H51400

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