A681 Type H13 T20813 - ASTM A681-2008(R2015)

Grade	A681 Type H13
USA UNS	T20813
AISI American Iron and Steel Institute	H13
Corresponding Standard	ASTM A681-2008(R2015) Standard Specification for Tool Steels Alloy
Classification	Alloy Steel

A681 Type H13 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V	More
Minimum Value	0.32	0.8	0.2	-	-	4.75	1.1	0.8	Ni+Cu≤0.75
Maximum Value	0.45	1.25	0.6	0.03	0.03	5.5	1.75	1.2	Ni+Cu≤0.75

A681 Type H13 Mechanical Properties

form	Heat Treatment or Condition	Hardness HBW
Bars, thick plates, thin plates, strips, rods, wires, forgings	Annealing	BHN ≤235
Bars, thick plates, thin plates, strips, rods, wires, forgings	Cold Drawing	BHN ≤262
Bars, thick plates, thin plates, strips, rods, wires, forgings	Heat Treatment	HRC≥52

1 Approximate Comparison Table Plastic Mold Steel

China	Japan	United States	International Organization for Standardization	Germany		Sweden
GB	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	SS
4Cr5MoSiV	SKD 61	H13	40CrMoV 5	X40CrMoV 5-1	1.2344	8407

2 Approximate Comparison Table Hot Work Tool Steel

China		Japan	United States	International Organization for Standardization
GB	ISC	JIS	ASTM	ISO
4Cr5MoSiV1	T23353 (T20502)	SKD 61	H13	X40CrMoV 5-1

3 Approximate Comparison Table Cast Iron

China	United States	International Organization for Standardization	Germany		European Standard
GB	SAE	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
H195	H13 H14	JL HBW195 H195 H175	GG190HB	0.6022	EN-GJL-HB195	EN-JL2030

4 Approximate Comparison Table Alloy Tool Steel 2

China	Japan	United States	Germany		Russia	United Kingdom
GB	JIS	ASTM	DIN EN/DIN	W-Nr.	GOST	BS EN/BS
4Cr5MoSiV1	SK D61	H13	X40CrMoV5-1	1.2344	4Х5МФ1С	BH13

5 Approximate Comparison Table Alloy Tool Steel 3

China

Japan

South Korea

United States

Germany

France

European Standard

Russia

Sweden

United Kingdom

JIS

ASTM/AISI

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

A681TypeH13 Corresponding Standards(Same grade name, different standards)

1	ASTM A681-2008(R2015)
	A681 Type H13 T20813 H13
2	ASTM A681-2024
	A681 Type H13 T20813 H13

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