Material GX2CrNiMoNb 19-11-2 (1.4581 / 1.4571) SAE/AISI 316Ti

Optimised weldability for complex structures

GX2CrNiMoNb 19-11-2 (1.4581, comparable to 1.4571 in terms of chemical composition) is a corrosion-resistant cast stainless steel with added molybdenum for enhanced resistance to pitting and crevice corrosion, particularly in chloride-containing environments. Ideal for applications in the pharmaceutical and food industries or in shipbuilding.

Material designations and standards

Material number:

1.4581

Standard designation (EN):

GX2CrNiMoNb19-11-2

Standards:

In accordance with DIN EN 10283

AISI/SAE:

316Ti in accordance with ASTM CF10MC

Similar materials:

X6CrNiMoTi17-12-2 (1.4571), not as cast steel

Specifications and details

Material name & material no.	Comparable materials or standards					Main elements of material analysis (mass fraction in %)										Physical and mechanical properties								General heat treatment, unless otherwise agreed
acc. to DIN EN 10293	acc. to	acc. to ASTM	acc. to SAE/AISI	acc. to JIS	acc. to China	C	Si	Mn	Cr	Mo	Ni	N	Cu	Nb	Other elements	Density in kg/dm3	Type of heat treatment	Rp0.2 min	Rm min	Hardness values in HB (approx.)	A % min	KV2 J min	Temperature °C
GS200 & 1.0449	DIN EN 10340 or SEL	A 216 Grade WCA		SC360	ZG200-400	≤ 0,18	≤ 0,60	≤ 1,20	_	_	_	_	_	_	_	_	+N	200	380 - 530	110 - 155	25	35	RT	Normalizing
GS240 & 1.0455	DIN EN 10340 or SEL	A 414 Grade F A 445	1012	SB450 SB480	_	≤ 0,23	≤ 0,60	≤ 1,20	_	_	_	_	_	_	_	_	+N	240	450 - 600	130 - 180	22	31	RT	Normalizing
G20Mn5 & 1.6220	DIN EN 10213, DIN EN 10340 or SEL	A 352 Grade LCC	_	SCC 3 SCPH 11-CF	ZG300-500	0,17 - 0,23	≤ 0,60	1,00 -1,60	_	_	≤ 0,80	_	_	_	_	7,8	+N \| +QT	300 \| 300	480 - 620 \| 500 - 650	140 - 185 \| 150 - 190	20 \| 22	27 \| 50 \| 27 \| 60	-30 \| RT \| -40 \| RT	Normalizing \| Quenched and tempered
G24Mn6 & 1.1118	DIN EN 10213, DIN EN 10340 or SEL	_	_	_	_	0,20 - 0,25	≤ 0,60	1,50 - 1,80	_	_	_	_	_	_	_	7,8	+QT1 \| +QT2 \| +QT3	550 \| 500 \| 400	700 - 800 \| 650 - 800 \| 600 - 800	210 - 240 \| 190 - 240 \| 180 - 240	12 \| 15 \| 18	27 \| 27 \| 27	-20 \| -30 \| -30	Quenched and tempered
G20Mo5 & 1.5419	DIN EN 10213 or SEL	A 217 Grade WC1 A 217 J12524	4422	SCPH 11 SCPL 11	ZG19MoG	0,15 - 0,23	≤ 0,60	0,50 - 1,00	_	0,40 - 0,60	_	_	_	_	_	7,85	+QT	245	440 - 590	130 - 175	22	27	RT	Quenched and tempered
G15CrMoV6-9 & 1.7710	1.7711 acc. to DIN EN 10269 or SEL	_	_	_	_	0,12 - 0,18	≤ 0,60	0,60 - 1,00	1,30 - 1,80	0,80 - 1,00	_	_	_	_	V 0,15 - 0,25	7,85	+QT1 \| +QT2	700 \| 930	850 - 1000 \| 980 - 1150	250 - 300 \| 290 - 340	10 \| 6	27	RT	Quenched and tempered
G17CrMo9-10 & 1.7379	DIN EN 10213 or SEL	A 217 Grade WC9 A 487 Grade 8 Class A	4118	SCPH 32-CF	ZG17Cr2Mo1 ZG12Cr2Mo1G	0,13 - 0,20	≤ 0,60	0,50 - 0,90	2,00 - 2,50	0,90 - 1,20	_	_	_	_	_	7,85	+QT	400	590 - 740	175 - 220	18	40	RT	Quenched and tempered
G26CrMo4 & 1.7221	SEW 658 or SEL	A 148 Grade 105-85	4118	SCCrM 1	25CrMo	0,22 - 0,29	≤ 0,60	0,50 - 0,80	0,08 - 1,20	0,15 - 0,30	_	_	_	_	_	7,85	+QT1 \| +QT2	300 - 450 \| 550	550 - 750 \| 700 - 850	160 - 220 \| 210 - 250	14 - 16 \| 10	27 - 40 \| 18	RT	Quenched and tempered
G42CrMo4 & 1.7231	1.7225 acc. to DIN EN 10250	_	4140 4142	SCM440	42Cr1Mo 40CrMnMo	0,38 - 0,45	≤ 0,60	0,60 - 1,00	0,08 - 1,20	0,15 - 0,30	_	_	_	_	_	7,85	+QT1 \| +QT2	350 - 600 \| 700	650 - 950 \| 850 - 1000	190 - 280 \| 250 - 300	10 - 12 \| 10	16 - 31 \| 27	RT	Quenched and tempered
G35CrNiMo6-6 & 1.6579	_	_	4337 4330	SNCM447	_	0,32 - 0,38	≤ 0,60	0,60 - 1,00	1,40 -1,70	0,15 - 0,35	1,40 - 1,70	_	_	_	_	_	+N \| +QT1 \| +QT2	500 - 550 \| 650 - 700 \| 800	750 - 950 \| 800 - 1000 \| 900 - 1050	220 - 280 \| 240 - 300 \| 265 - 310	12 \| 12 \| 10	31 \| 30 - 45 \| 35	RT	Annealed \| Quenched and tempered
GX9Ni5 & 1.5681	_	_	_	_	_	0,06 - 0,12	≤ 0,60	0,50 - 0,80	_	_	4,50 - 5,50	_	_	_	_		+QT	380	550 - 700	160 - 210	18	100	RT	Quenched and tempered
G17NiCrMo13-6 & 1.6781	DIN EN 10213 or SEW520	A 352 Grade LC2-1 A 352 J42215	_	_	ZG17Ni3Cr2Mo	0,15 - 0,19	≤ 0,50	0,55 - 0,80	1,30 - 1,80	0,45 - 0,60	3,00 - 3,50	_	_	_	_	7,85	+QT	600	750 - 900	220 - 265	15	27	-80	Quenched and tempered
GX3CrNi3-4 & 1.6982	DIN EN 10213 or SEL	A 217 Grade CA15 A 743 J91540		SCS 1	ZG05Cr13Ni4Mo	≤ 0,05	≤ 1,00	≤ 1,00	12,00 - 13,00	≤ 0,70	3,50 - 5,00	_	_	_	_	7,7	+QT	500	700 - 900	210 - 265	15	27	120	Quenched and tempered

The advantages of GX2CrNiMoNb19-11-2 (1.4571)

Excellent corrosion resistance – particularly in chloride- and acid-containing media

Niobium stabilisation – Increased resistance to intergranular corrosion

Good mechanical properties – high strength and toughness

Excellent resistance to pitting and crevice corrosion

Good weldability – Can be welded without preheating or post-weld heat treatment

High temperature resistance – Suitable for use up to approx. 600°C

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Areas of application

Chemical industry

Food industry

Offshore industry

Medical and pharmaceutical industry

GX2CrNiMoNb 19-11-2: Properties at a glance

Special feature

The steel offers enhanced resistance to pitting and crevice corrosion, particularly in chloride-containing environments.

Versatility

The addition of niobium stabilises the steel and prevents intergranular corrosion after welding or at high temperatures.

Corrosion resistance

GX2CrNiMoNb 19-11-2 is resistant to atmospheric corrosion, fresh and salt water corrosion, and most organic acids.

Chemical composition and mechanical properties.

C (carbon):

≤ 0.03 %

Si (silicon):

≤ 1.00 %

Mn (Manganese):

≤ 1.50 %

P (phosphorus):

≤ 0.04 %

S (sulphur):

≤ 0.03 %

Cr (chromium):

16.5 - 18.5 %

Ni (nickel):

10.5 - 13.5 %

Mo (molybdenum):

2.0 - 2.5 %

Nb (niobium):

≤ 1,00 %

Tensile strength (Rm):

≥ 440 MPa

Yield strength (Rp0.2):

≥ 220 MPa

Elongation at break (A5):

≥ 30 %

Notched impact strength (ISO-V, room temperature):

≥ 100 J

Hardness (HB):

≤ 215 HB

Solution annealing:

1,050–1,100 °C, followed by rapid cooling (e.g. in water)

Stress-relief annealing:

200–300 °C to reduce internal stresses

Why GX2CrNiMoNb 19-11-2?

Cost-effectiveness
GX2CrNiMoNb 19-11-2 offers good value for money and enhanced corrosion resistance.

Processing
GX2CrNiMoNb 19-11-2 is easy to form both cold and hot, is easy to machine and welds very well without the need for subsequent heat treatment.

Areas of application
The steel is used, for example, in the food industry, the pharmaceutical industry, the offshore industry and in shipbuilding.