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X6CrNiMoTi17-12-2 - Nr.1.4571

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Titanium-Alloyed Molybdenum Austenitic Stainless Steel

Steel with characteristics similar to AISI316; the addition of titanium makes it more stable and further improves its resistance to intercrystalline corrosion.

References and Comparable Standards

Standard Reference:EN 10088-3: 2014 (Hot-rolled and bright products) EN 10272: 2016 (Stainless steel bars for pressure purposes) P.E.D. 2014/68/EU

EUROPE		ITALY	GERMANY		FRANCE	UK	USA
EN 10088-3: 2005 EN 10272: 2007		(UNI 6900:71)	(DIN 17440-85)		(NF A 35-574-90)	(BS 970 pt. 3 -91)	AISI
Grade	N°		Werkstoff	N°
X2CrNiMoTi17-12-2	1.4571	X 6 CrNiMoTi 17 12	X2CrNiMoTi17-12-2	1.4571	Z6CNDT17-12	320S31	AISI (316Ti)

Chemical Composition (Cast Analysis) (%)

C / max	Si / max	Mn / max	P / max	S / max	Cr	Mo	Ni	Ti
0,08	1,00	2,00	0,045	0,030	16,5÷18,5	2,00÷2,50	10,5÷13,5	5x%C÷0,70

Mechanical Properties - Rough Turned (1X) In The Annealed Condition

Size (mm)	Hardness HB max* **	Rp 0,2 (MPa) min	Rp 1 (MPa) min*	Rm (MPa)**	A5 (%) min**	KV (J) min	Resistance to intergranular corrosion
Size (mm)	Hardness HB max* **	Rp 0,2 (MPa) min	Rp 1 (MPa) min*	Rm (MPa)**	A5 (%) min**	KV (J) min	in the delivery condition	in the welded condition
d≤100	215	200	235	500÷700	40	100	YES	YES
* Only for guidance. ** The maximum HB values may be raised by 100HB or the tensile strenght value may be raised by 200 MPa and the minimum A% value may be lowered to 20% for bars of ≤35 mm.

Mechanical Properties - Cold Drawn (2H, 2B) And Ground Bars (2G) In The Solution Annealed Condition

Size (mm)	Rp 0,2 (MPa) min	Rm (MPa)0	A5 (%) min*	KV (J) min
d≤10	400	600÷950	25	-
10<d≤16	380	580÷950	25	-
16<d≤40	200	500÷850	30	100
40<d≤63	200	500÷850	30	100
63<d≤100	200	500÷700	40	100
* Values valid only for size ≥5 mm.

Mechanical Properties - Cold Drawn Wire And Coils (2H)

Tensile strength levels	Rm (MPa)
+C 600	600÷800
+C 700	700÷900
+C 800	800÷1000
+C 900	900÷1100
+C 1000	1000÷1250
+C 1100	1100÷1350
+C 1200	1200÷1450
+C 1400	1400÷1700
+C 1600	1600÷1900
Note: the desired tensile strength level shall be evaluated depending on diameter required.

Mechanical Properties - Cold Drawn Wire And Coils In The Solution Annealed Condition (2D)

Size	A (%) max	Rm (MPa) max
0,10≤d≤0,20	20	1050
0,20≤d≤0,50	30	1000
0,50≤d≤1,00	30	950
1,00≤d≤3,00	30	900
3,00≤d≤5,00	35	850
5,00≤d≤16,00	35	800
Note: If skin passed, Rm might be increased by up to 50 MPa.