4320 H H43200 - ASTM A304-2016

Grade	4320 H
USA UNS	H43200
Corresponding Standard	ASTM A304-2016 Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
Classification	Alloy Steel

4320 H Chemical Element Composition Content (%)

Component	C	Si	Mn	Cr	Ni	Cu ^①	Mo
Minimum Value	0.17	0.15	0.4	0.35	1.55	-	0.2
Maximum Value	0.23	0.35	0.7	0.65	2	0.35	0.3

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

20CrNi2MoH

A50215

SNCM420H

4320H

H43200

18CrNiCrMo7H

20NiCrMoS6-4

1.6571

20NiCrMo6-4

20ХН2М

(802H17)

4320H Corresponding Standards(Same grade name, different standards)

1	ASTM A 304-2004
	4320H H43200
2	SAE J 1268-2010
	4320H H43200
3	ASTM A304-2016
	4320 H H43200
4	ASTM A534-2014
	4320H

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