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X5CrNiMo17-12-2 - Nr.1.4401

Chromium-nickel-molybdenum austenitic stainless steel: this combination allows it to resist the action of chlorides. It is the typical steel for use in marine environments or in the chemical and food industries.

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   Werkstoff      
X5CrNiMo17-12-2 1.4401 X 5 CrNiMo 17 12 X5CrNiMo17-12-2 1.4401 Z7 CND 17 - 11 - 02 316S31 316

Chemical Composition (Cast Analysis) (%)

C / max Si / max Mn / max P / max S / max N/ max Cr Mo Ni
0,07 1,00 2,00 0,045 0,030 0,10 16,5÷18,5 2,00÷2,50 10,0÷13,0

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≤100 215 200 235 500÷700 40 100 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≤16 380 580÷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

Working Temperatures Recommended

Operation °C
Hot forgings deformation 900÷1200
Solution annealing (water, air) 1000÷1120
Relevant Products