A681 Type H11 T20811 - ASTM A681-2008(R2015)

Grade	A681 Type H11
USA UNS	T20811
AISI American Iron and Steel Institute	H11
Corresponding Standard	ASTM A681-2008(R2015) Standard Specification for Tool Steels Alloy
Classification	Tool Steel

A681 Type H11 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V	More
Minimum Value	0.33	0.8	0.2	-	-	4.75	1.1	0.3	Ni+Cu≤0.75
Maximum Value	0.43	1.25	0.6	0.03	0.03	5.5	1.6	0.6	Ni+Cu≤0.75

A681 Type H11 Mechanical Properties

	Heat Treatment or Condition	Hardness HBW
Bars, thick plates, thin plates, strips, rods, wires, forgings	Cold Drawing	BHN ≤255
Bars, thick plates, thin plates, strips, rods, wires, forgings	Annealing	BHN ≤229
Bars, thick plates, thin plates, strips, rods, wires, forgings	Heat Treatment	HRC ≥53

1 Approximate Comparison Table Alloy Tool Steel

2 Approximate Comparison Table Alloy Tool Steel 3

China

Japan

South Korea

United States

Germany

France

European Standard

Russia

Sweden

United Kingdom

JIS

ASTM

UNS

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

SS₁₄

BS EN/BS

4Cr5MoSiV1
SM4Cr5MoSiV1

SKD61

STD61

H13

T20813
T20811

Х40CrMoV5-1

1.2344

Z40CDV5
Х40CrMoV5

X40CrMoV5-1
X40CrMoV5-1-1

1.2344

4Х5МФ1С
4KH5MF1S

2214
2242

2344
BH13

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