A600 M7 T11307 - ASTM A600-1992(R2024)

Grade	A600 M7
USA UNS	T11307
AISI American Iron and Steel Institute	M7
Corresponding Standard	ASTM A600-1992(R2024) Standard Specification for Tool Steel High Speed
Classification	Tool Steel

A600 M7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	W	V	More
Minimum Value	0.97	0.2	0.15	-	-	3.5	8.2	1.4	1.75	Ni+Cu≤ 0.75
Maximum Value	1.05	0.55	0.4	0.03	0.03	4	9.2	2.1	2.25	Ni+Cu≤ 0.75

A600 M7 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 ①	HR ≥65

1 Approximate Comparison Table Grain-Oriented Silicon Steel Sheet

2 Approximate Comparison Table Grain-Oriented Silicon Steel Sheet

3 Approximate Comparison Table High-Speed Steel 1

China	Japan	United States	International Organization for Standardization	Germany		France	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	BS EN/BS
W2Mo9Cr4V2	SKH58	A600 M7	HS2-9-2	S2-9-2	1.3348	Z100DCWV09-04-02-02	BM7

4 Approximate Comparison Table High-Speed Steel 2

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

W2Mo9Cr4V2

T62942

SKH58

A600 M7

T11307

HS 2-9-2

S 2-9-2

1.3348

HS 2-9-2

2782

HS 2-9-2

A600M7 Corresponding Standards(Same grade name, different standards)

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