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X5CrNi18-10 - Nr.1.4301

The reference steel for the chromium-nickel austenitic stainless steel category, it has good resistance to corrosion, cold deformability, and polishability. Its versatility makes it widely used for cutlery, grills, urban fixtures, and appliances, as well as in the automobile industry and in other applications.

References and Comparable Standards

Standard Reference: EN 10088-3: 2014 (Hot-rolled and bright products) | EN 10263-5: 2017 (Wire rods, bars and wire for cold heading 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

(UNI 6900:71)

 (DIN 17440-85)

(NF A 35-574-90)

(BS 970 pt. 3 -91)

 AISI
Grade N°   Werkstoff N°      
X5CrNi18-10 1.4301 X5CrNi1810 X5CrNi18-10 1.4301 Z7 CN 18 - 09 304S15 304

Chemical Composition (Cast Analysis) (%)

C / max Si / max Mn / max P / max S / max N/ max Cr Ni
0,07 1,00 2,00 0,045 0,030 0,10 17,50÷19,50 8,0÷10,5

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
in the delivery condition in the welded condition
d≤100 215 190 225 500÷700 45 100 YES NO

* 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≤16 400 600÷950 25 -
16<d≤40 190 600÷850 30 100
40<d≤63 190 580÷850 30 100
63<d≤100 190 500÷700 45 100

* 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

Working Temperatures Recommended

Operation °C
Hot forgings deformation 900÷1200
Solution annealing (water, air)    1000÷1100
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Rodinox® for Coils Rodinox® Plus for Bars
Rodinox® for Coils Rodinox® Plus for Bars

Rodinox® for Coils Rodinox® Plus for Bars