A600 M3 Class 2 T11323 - ASTM A600-1992(R2010)

Grade	A600 M3 Class 2
USA UNS	T11323
AISI American Iron and Steel Institute	M3-2
Corresponding Standard	ASTM A600-1992(R2010) Standard Specification for Tool Steel High Speed
Classification	Alloy Steel

A600 M3 Class 2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	W	V	More
Minimum Value	1.15	0.2	0.15	-	-	3.75	4.75	5	2.75	Ni+Cu≤ 0.75
Maximum Value	1.25	0.45	0.4	0.03	0.03	4.5	6.5	6.75	3.25	Ni+Cu≤ 0.75

A600 M3 Class 2 Mechanical Properties

	Heat Treatment or Condition	Hardness HBW
Bars, forgings, thick plates, thin plates, strip products	Cold Drawing	HB ≤269
Bars, forgings, thick plates, thin plates, strip products	Cold Drawn and Annealed	≤262
Bars, forgings, thick plates, thin plates, strip products	Annealing	≤255
Bars, forgings, thick plates, thin plates, strip products	Heat Treatment	HR ≥64

1 Approximate Comparison Table

2 Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

SS₁₄

BS EN/BS

CW6Mo5Cr4V3

T66545

SKH53

M3 Class 2

T11323

HS 6-5-3

S 6-5-3

1.3344

HS 6-5-3

2725

HS 6-5-3

3 Approximate Comparison Table

China		Japan	United States		International Organization for Standardization	European Standard	Russia
GB	ISC	JIS	ASTM	UNS	ISO	EN	GOST
CW6Mo5Cr4V3	T66545	SKH53	M3(高碳)	T11323	HS 6-5-3C	HS 6-5-3C	Р6М5Ф3

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