9Cr18 S44093 - GB /T 1299-2014

Grade	9Cr18
China ISC	S44093
Corresponding Standard	GB /T 1299-2014 Tool and Mould Steels
Classification	Tool Steel
Density	7.7 g/cm³

9Cr18 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.9	-	-	-	-	17	-
Maximum Value	1	0.8	0.8	0.03	0.03	19	0.6

9Cr18 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	≤255
Delivery condition	Pre-Hard	HRC*
sample	Quenching	HRC ≥55

New and Old Grade Replacement List

Corresponding Standard	Grade
GB /T 1299-2014	Grade China ISC
GB /T 1299-2025	Grade China ISC

1 Approximate Comparison Table Stainless Bearing Steel

China		Taiwan, China	Japan	South Korea	Russia
GB	ISC	CNS	JIS	KS	GOST
9Cr18	S44090	440C	SUS440C	STS440C	95Х18

2 Approximate Comparison Table Martensitic Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

108Cr17
(11Cr17)
9Cr18

S44096

440C

SUS 440C

STS 440C

440C

S44004

X105CrMo 17
A-1b
(ISO 683-13-1986)

X105CrMo 17

1.4125

Z100CD17

X105CrMo 17

1.4125

95Х18

3 Approximate Comparison Table Plastic Mold Steel

China		Japan	United States	Germany
GB	ISC	JIS	ASTM	DIN EN/DIN	W-Nr.
9Cr18	T44093	SUS 440C	440C	X45Cr13	1.3541

9Cr18 Corresponding Standards(Same grade name, different standards)

1	GB /T 20878-2007
	(9Cr18) 95Cr18 S44090
2	GB /T 1220-2007
	(9Cr18) 95Cr18 S44090
3	GB /T 4356-2016
	(9Cr18) 95Cr18 S44090
4	GJB 2294-1995
	9Cr18
5	GB /T 1299-2014
	9Cr18 S44093
6	YB /T 096-2015
	(9Cr18) 95Cr18
7	GB /T 3086-2019
	(9Cr18) G95Cr18 B21890
8	GJB 2294A-2014
	(9Cr18) 95Cr18
9	GB /T 20878-2024
	(9Cr18) 95Cr18 S44090
10	GB /T 1299-2025
	9Cr18 T20900

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