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X3CrNb17-Nr.1.4511

Steel similar to 430, with the addition of niobium which improves its machinability on machine tools.

References and Comparable Standards

Standard Reference: EN 10088-3: 2014 (Hot-rolled and bright products)
EUROPE ITALY GERMANY FRANCE UK USA
EN 10088-3: 2005 (UNI 8317: 81) (DIN 17441 - 86) (NF A 35-573-90)

(BS 970 pt. 3 -91)

 AISI
Grade N°   Werkstoff N°      
X3CrNb17 1.4511 X6CrNb17 X6CrNb17 1.4511 Z4CNb17 - -

Chemical Composition (Cast Analysis) (%)

C / max Si / max Mn / max P / max S / max Cr Nb
0,05 1,00 1,00 0,040 0,030 16,0÷18,0 12xC÷1,00

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

Size
(mm)		 Hardness HB max* Rp 0,2 (MPa) min Rm (MPa) A5 (%) min Resistance to intergranular corrosion
in the delivery condition in the welded condition
d≤100 200 200 420÷620 20 YES YES

* Only for guidance

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

Size (mm) Rp 0,2 (MPa) min Rm (MPa) max A5 (%) min*
d≤10 320 500÷750 8
10<d≤16 300 480÷750 8
16<d≤40 240 400÷700 15
40<d≤50 240 400÷700 15

* Values valid only for size ≥5 mm

Relevant Products
X6Cr17 - Nr.1.4016
X6Cr17 - Nr.1.4016

430
X6CrMoS17 - Nr.1.4105
X6CrMoS17 - Nr.1.4105

1.4105

X6CrMo17-1 - Nr.1.4113
X6CrMo17-1 - Nr.1.4113

434