Heat-Resisting Stainless Steels

Steel Type	Country Code	C(%)	Si(%)	Mn(%)	P(%)	S(%)	Ti(%)	Cr(%)	Mo(%)
304	CNS	<0.08	<1.0	<2.0	<0.045	<0.03		18.0-20.0
0Cr18Ni9	GB	<0.07	<2.0	<1.0	<0.03	<0.035		17.0-19.0
0Cr19Ni9	GB	<0.08	<1.0	<2.0	<0.035	<0.03		18.0-20.0
SUS304	JIS	<0.08	<1.0	<2.0	<0.045	<0.03		18.0-20.0
304	AISI	<0.08	<1.0	<2.0	<0.045	<0.03		18.0-20.0
0Cr23Ni13	GB	<0.08	<1.5	<2.0	<0.035	<0.03		22.0-24.0
SUS309S	JIS	<0.08	<1.5	<2.0	<0.045	<0.03		22.0-24.0
309S	AISI	<0.08	<1.5	<2.0	<0.045	<0.03		22.0-24.0
X7CrNi-23-14	DIN	<0.08	<1.0	<2.0	<0.045	<0.03		21.0-23.0
SUS310S	JIS	<0.08	<1.5	<2.0	<0.045	<0.03		24.0-26.0
310S	AISI	<0.08	<1.5	<2.0	<0.045	<0.03		24.0-26.0
SUS316	JIS	<0.08	<1.0	<2.0	<0.045	<0.03		16.0-18.0	2.0-3.0
316	AISI	<0.08	<1.0	<2.0	<0.045	<0.03		16.0-18.0	2.0-3.0
0Cr18Ni-12Mo2Ti	GB	<0.08	<1.0	<2.0	<0.035	<0.03		16.0-19.0	1.8-2.5
SUS317	JIS	<0.08	<1.0	<2.0	<0.045	<0.03		18.0-20.0	3.0-4.0
317	AISI	<0.08	<1.0	<2.0	<0.045	<0.03		18.0-20.0	3.0-4.0
321	CNS	<0.08	<1.0	<2.0	<0.045	<0.03	>5xC%	17.0-19.0
0Cr18-Ni11Ti	GB	<0.08	<1.0	<2.0	<0.035	<0.03	>5xC%	17.0-19.0
SUS321	JIS	<0.08	<1.0	<2.0	<0.045	<0.03	>5xC%	17.0-19.0
321	AISI	<0.08	<1.0	<2.0	<0.045	<0.03	>5xC%	17.0-19.0
347	CNS	<0.08	<1.0	<2.0	<0.045	<0.03		17.0-19.0
0Cr18Ni-11Nb	GB	<0.08	<1.0	<2.0	<0.035	<0.03		17.0-19.0
SUS347	JIS	<0.08	<1.0	<2.0	<0.045	<.03		17.0-19.0
347	AISI	<0.08	<1.0	<2.0	<0.045	<0.03		17.0-19.0
X6CrNi-Nb18-10	DIN	<0.08	<1.0		<2.0	<0.045		<0.03	17.0-19.0
405	AISI	<0.08	<1.0	0.1-0.3	<1.0	<0.04		<0.03	11.5-14.5
410	AISI	<0.15	<1.0		<1.0	<0.04		<0.03	11.5-13.5
X10Cr13	DIN	0.08-0.12	<1.0		<1.0	<0.045		<0.03	12.0-14.0
00Cr12	GB	<0.03	<1.0		<1.0	<0.04		<0.03	11.0-13.0
SUS410L	JIS	<0.03	<1.0		<1.0	<0.04		<0.03	11.0-13.5
420J1	CNS	0.16-0.25	<1.0		<1.0	<0.035		<0.03	12.0-14.0
2Cr13	GB	0.16-0.25	<1.0		<1.0	<0.035		<0.03	12.0-14.0
SUS420J1	JIS	0.16-0.25	<1.0		<1.0	<0.04		<0.03	12.0-14.0
420	AISI	>0.15	<1.0		<1.0	<0.04		<0.03	12.0-14.0
X20Cr13	DIN	0.17-0.22	<1.0		<1.0	<0.045		<0.03	12.0-14.0
430	CNS	<0.12	<0.75		<1.0	<0.04		<0.03	16.0-18.0
1Cr17	GB	<0.12	<0.75		<1.0	<0.035		<0.03	16.0-18.0
SUS430	JIS	<0.12	<0.75		<1.0	<0.04		<0.03	16.0-18.0
430	AISI	<0.12	<1.0		<1.0	<0.04		<0.03	16.0-18.0
X6Cr17	DIN	<0.08	<1.0		<1.0	<0.045		<0.03	16.0-18.0
1Cr17Ni2	GB	0.11-0.17	<0.8		<0.8	<0.035		<0.03	16.0-18.0
SUS431	JIS	<0.2	<1.0		<1.0	<0.04		<0.03	15.0-17.0
431	AISI	<0.2	<1.0		<1.0	<0.04		<0.03	15.0-17.0
X20Cr-Ni17-2	DIN	0.14-0.23	<1.0		<1.0	<0.045		<0.03	15.5-17.5
630	CNS	<0.07	<1.0		<1.0	<0.04		<0.03	15.0-17.0
0Cr17Ni-4Cu4Nb	GB	<0.07	<1.0		<1.0	<0.04		<0.03	15.0-17.5
SUS631	JIS	<0.09	<1.0	0.75-1.50	<1.0	<0.04	0.75-1.50	<0.03	16.0-18.0
631	CNS	<0.09	<1.0	0.75-1.50	<1.0	<0.04		<0.03	16.0-18.0
0Cr17-Ni7A1	GB	<0.09		<1.0	0.75-1.50	<1.0	<0.035		<0.03
1	CNS	0.4-0.5		3.0-3.5		<0.6	<0.03		<0.03
4Cr9Si2	GB	0.35-0.5		2.0-3.0		<0.7	<0.035		<0.03
SUH1	JIS	0.4-0.5		3.0-3.5		<0.6	<0.03		<0.03
HNV3	SAE	0.4-0.5		2.75-3.75		<0.8	<0.04		<0.03
X45Cr-Si9-3	DIN	0.4-0.5		2.7-3.3		<0.8	<0.04		<0.03
3	CNS	0.35-0.45		1.8-2.5		<0.6	<0.03		<0.03
4Cr10Si-2Mo	GB	0.35-0.45		1.9-2.6		<0.7	<0.03		<0.03
SUH3	JIS	0.35-0.45		1.8-2.5		<0.6	<0.03		<0.03
X40CrSi-Mo10-2	DIN	0.35-0.45		2.0-3.0		<0.8	<0.04		<0.03
4	CNS	0.75-0.85		1.75-2.25		0.2-0.6	<0.03		<0.03
8Cr20Si-2Ni	GB	0.75-0.85		1.75-2.25		0.2-0.6	<0.03		<0.03
SUH4	JIS	0.75-0.85		1.75-2.25		0.2-0.6	<0.03		<0.03
X80Cr-NiSi20	DIN	0.75-0.85		1.75-2.25		<1.0	<0.03		<0.03
X45CrNi-W18-9	DIN	0.4-0.5		2.0-3.0		0.8-1.5	<0.045		<0.03
SUH36	JIS	0.48-0.58		<0.35		8.0-10.0	<0.04		0.04-0.09
EV8	SAE	0.48-0.58		<0.25		8.0-10.0	<0.05	0.35-0.55	<0.035
SUH37	JIS	0.15-0.25		<1.0		1.0-1.6	<0.04	0.15-0.30	<0.03
38	CNS	0.25-0.35		<1.0		<1.2	0.18-0.25		<0.03
660	CNS	<0.08	0.1-0.5	<1.0		<2.0	<0.04		<0.03
0Cr15Ni25T-2MoA1VB	GB	<0.08		<1.0		<2.0	<0.035		<0.03
661	CNS	0.08-0.16		<1.0		1.0-2.0	<0.04	0.1-0.2	<0.03
1Cr22Ni20-Co20Mo3	GB	0.08-0.16		<1.0		1.0-2.0	<0.035	0.1-0.2	<0.03
SUH661	JIS	0.08-0.16		<1.0		1.0-2.0	<0.04	0.1-0.2	<0.03
661	AISI	0.11-0.13		0.6-0.8	1.4-1.6		0.12-0.14		20.7-20.8
X12CrCo-Ni21-20	DIN	0.08-0.16		<1.0	<2.0	<0.045	0.1-0.2	<0.03	20.0-22.5
309	CNS	<0.2		<1.0	<2.0	<0.04		<0.03	22.0-24.0
2Cr23Ni13	GB	<0.2		<1.0	<2.0	<0.035		<0.03	22.0-24.0
SUH309	JIS	<0.2		<1.0	<2.0	<0.04		<0.03	22.0-24.0
309	AISI	<0.2		<1.0	<2.0	<0.045		<0.03	22.0-24.0
X15CrNi-Si20-12	DIN	<0.2		1.5-2.5	<2.0	<0.04		<0.03	22.0-25.0
310	CNS	<0.25		<1.5	<2.0	<0.04		<0.03	24.0-26.0
1Cr25Ni-20Si2	GB	<0.2		1.5-2.5	<1.5	<0.03		<0.03	24.0-27.0
2Cr25Ni20	GB	<0.25		<1.5	<2.0	<0.035		<0.03	24.0-26.0
SUH310	JIS	<0.25		<1.5	<2.0	<0.04		<0.03	24.0-26.0
310	AISI	<0.25		<1.5	<2.0	<0.045		<0.03	24.0-26.0
X12Cr-Ni25-20	DIN	<0.15		<1.5	1.0-2.5	<0.025		<0.02	24.0-27.0
X15CrNi-Si25-20	DIN	<0.15		<1.0	<2.0	<0.04		<0.03	23.0-26.0
330	CNS	<0.15		<1.5	<2.0	<0.04		<0.03	14.0-17.0
1Cr16Ni35	GB	<0.15		<2.0	<1.5	<0.035		<0.03	14.0-17.0
SUH330	JIS	<0.15		<1.5	<2.0	<0.04		<0.03	14.0-17.0
330	AISI	<0.15		0.75-1.5	<2.0	<0.04		<0.03	17.0-20.0
X12NiCr-Si36-16	DIN	<0.15		1.0-2.0	<2.0	<0.03		<0.015	15.0-17.0
446	CNS	<0.2		<1.0	<1.5	<0.04	<0.25	<0.03	23.0-27.0
2Cr25N	GB	<0.2		<1.0	<1.5	<0.035	<0.25	<0.03	23.0-27.0
SUH446	JIS	<0.2		<1.0	<1.5	<0.04	<0.25	<0.03	23.0-27.0
446	AISI	<0.2		<1.0	<1.5	<0.04	<0.25	<0.03	23.0-27.0
600	CNS	0.15-0.20	0.1-0.4	<0.5	0.5-1.0	<0.04		<0.03	10.0-13.0
2Cr12Mo-VNbN	GB	0.15-0.2		<0.5		0.5-1.0	<0.035		<0.03
SUH600	JIS	0.15-0.20	0.1-0.4	<0.5		0.5-1.0	<0.04		<0.03
616	CNS	0.20-0.25	0.2-0.3	<0.5		0.5-1.0	<0.04		<0.03
2Cr12Ni-MoWV	GB	0.20-0.25	0.2-0.3	<0.5		0.5-1.0	<0.035		<0.003
SUH616	JIS	0.20-0.25	0.2-0.3	<0.5		0.5-1.0	<0.04		<0.03
616	ASTM	0.2-0.25	0.2-0.3	<0.5		0.5-1.0	<0.025		<0.025
X20CrMo-WV12-1	DIN	0.17-0.25	0.25-0.35	0.1-0.5		0.3-0.8	<0.045		<0.03
SUS630	JIS	<0.07		<1.0		<1.0	<0.04		<0.03
630	AISI	<0.07		<1.0		<1.0	<0.04		<0.03
X5CrNiCu-Nb17-4	DIN	<0.07		<1.0		<1.0	<0.025		<0.03
631	AISI	<0.09		<1.0	0.75-1.50	<1.0	<0.04		<0.03
X7CrNi-A117-7	DIN	<0.09		<1.0		<1.0	<0.045	0.75-1.50	<0.03
304H	AISI	0.04-0.1		<1.0		<2.0	<0.04		<0.03
X5Cr-Ni18-9	DIN	<0.07		<1.0		<2.0	<0.045		<0.03
309S	CNS	<0.08		<1.5		<2.0	<0.045		<0.03
X12Cr-Ni25-21	DIN	<0.15		<0.35		<2.0	<0.045		<0.03
1Cr25Ni20-Si2	GB	<0.2		1.5-2.5		<1.5	<0.035		<0.03
316	CNS	<0.08		<1.0		<2.0	<0.045		<0.03
0Cr17Ni-12Mo2	GB	<0.08		<1.0		<2.0	<0.035		<0.03
X5CrNiMo-17-12-2	DIN	<0.07		<1.0		<2.0	<0.045		<0.015
X5CrNiMo-17-13-3	DIN	<0.05		<1.0		<2.0	<0.045	>0.11	<0.015
X5CrMo-17-13	DIN	<0.07		<1.0		<2.0	<0.045		<0.03
X10CrNi-Ti18-9	DIN	<0.1		<1.0		<0.2	<0.045		<0.03
XM15	ASTM	<0.08		1.5-2.5		<2.0
0Cr18Ni-13Si4	GB	<0.08	3.0-5.0		<2.0	<0.035	<0.03	15.0-20.0
SUSXM-15J1	JIS	<0.08	3.0-5.0		<2.0	<0.04	<0.03	15.0-20.0
X7CrA113	DIN	<0.08	<1.0	0.1-0.3	<1.0	<0.04	<0.015	12.0-14.0
X10CrA113	DIN	<0.12	0.7-1.4	0.7-1.2	<1.0	<0.04	<0.03	12.0-14.0
SUS410	JIS	<0.15	<1.0		<1.0	<0.04	<0.03	11.5-13.5
SUS410J1	JIS	0.08-0.18	<0.6		<1.0	<0.04	<0.03	11.5-14.0	0.3-0.6
1Cr13Mo	GB	0.08-0.18	<0.6		<1.0	<0.035	<0.03	11.5-14.0	0.3-0.6
X8Cr17	DIN	<0.1	<1.0		<1.0	<0.045	<0.03	15.5-17.5
X10CrA118	DIN	<0.12	0.7-1.4	0.7-1.2	<1.0	<0.04	<0.03	17.0-19.0

Heat-resisting stainless steels, also known as heat-resistant stainless steels or heat-resistant alloys, are a group of stainless steels that are designed to maintain their strength and corrosion resistance at high temperatures. These alloys are used in applications where they will be exposed to elevated temperatures, such as in the petrochemical, power generation, aerospace, and automotive industries.

The characteristics and properties of heat-resisting stainless steels include:

1. High temperature strength: Heat-resisting stainless steels have excellent strength and toughness at elevated temperatures, allowing them to withstand extreme heat without significant deformation or failure.

2. Oxidation resistance: These alloys have a high level of resistance to oxidation, which helps them maintain their corrosion resistance and structural integrity at high temperatures. They form a protective oxide layer on the surface that prevents further oxidation.

3. Creep resistance: Heat-resisting stainless steels have a low rate of creep deformation, meaning they resist deformation under long-term exposure to high temperatures. This property is critical in applications where components are subjected to constant loads over time.

4. Thermal stability: These alloys have good thermal stability, meaning they have minimal changes in microstructure and mechanical properties even when exposed to thermal cycling or rapid temperature changes. This stability allows them to maintain their performance at various temperature ranges.

5. Resistance to corrosion: Heat-resisting stainless steels are typically highly resistant to corrosion in various corrosive environments, including oxidation, sulfidation, carburization, and nitriding. This makes them suitable for applications in aggressive environments where both heat and corrosion resistance are required.

Some examples of heat-resisting stainless steels include:

1. Austenitic stainless steels: These alloys, such as AISI 310 and 314, are widely used in high-temperature applications due to their excellent resistance to oxidation and creep at elevated temperatures.

2. Ferritic stainless steels: Alloys like AISI 446 and 430 are known for their resistance to high-temperature scaling and excellent thermal conductivity, making them suitable for applications involving heat exchangers, furnaces, and exhaust systems.

3. Martensitic stainless steels: Heat-resisting martensitic stainless steels, such as AISI 403 and 410, offer good strength and moderate corrosion resistance at high temperatures.

In summary, heat-resisting stainless steels are a specialized group of alloys designed to withstand high temperatures while maintaining their strength, corrosion resistance, and other mechanical properties. They are essential in various industries where exposure to extreme heat is a concern.