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X46Cr13 - Nr.1.4034

Similar to the above but with a higher carbon content, suitable for small pieces with high hardness, including rollers and balls for special bearings.

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 6900: 71)

(DIN 17440 - 85)

(NF A 35-574-90)

 (BS 970 pt. 3-91) AISI
Grade N°   Werkstoff N°      
X46Cr13 1.4034 (X40Cr14) X46Cr13 1.4034 Z44C14 - 420

Chemical Composition (Cast Analysis) (%)

C Si / max Mn / max P / max S  /max Cr
0,43÷0,50 1,00 1,50 0,040 0,030 12,5÷14,5

Mechanical Properties – Rough turned (1X) in the annealed condition

Size (mm) Heat treatment Hardness HB max* Rp 0,2 (MPa) min Rm (MPa) A5 (%) min KV (J) min
d≤100 Annealed (+A) 245 - 800 max - -
Quenched + Tempered (+QT 800) - 650 800÷1000 10 12

* only for guidance

Mechanical Properties – Cold drawn (2H, 2B) and ground bars (2G) in the solution annealed condition

Size (mm) Annealed Quenched + Tempered
Rm (MPa) max HB max* Heat treatment Rp 0,2 (MPa) min Rm (MPa) max A5 (%) min** KV (J) min
d≤10 950 305 Quenched + Tempered (+QT 850) 700 900÷1150 7 -
10<d≤16 950 305 700 900÷1150 7 -
16<d≤40 900 280 650 850÷1100 8 12
40<d≤63 840 260 650 850÷1000 8 12
63<d≤100 800 245 650 850÷1000 10 12

* for reference only
** values valid only for size ≥5 mm

Mechanical Properties – Cold drawn wire and coils (2H)

Tensile strength levels Rm (MPa)
+C 500 500÷700
+C 650 650÷850
+C 800 800÷1000
+C 900 900÷1100

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
0,50≤d≤1,00 10 1100
1,00≤d≤3,00 10 1050
3,00≤d≤5,00 10 1000
5,00≤d≤16,00 15 950

Note: If skin passed, Rm might be increased by up to 50 MPa

Working Temperatures Recommended

Operation C
Hot forgings deformation 900÷1100
Annealing (furnace, air) 750÷850
Quenching in air or oil 950÷1050
Tempering (QT 850) 650÷700
Relevant Products
X12Cr13 - Nr.1.4006
X12Cr13 - Nr.1.4006

410
X12CrS13 - Nr.1.4005
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416
X20Cr13 - Nr.1.4021
X20Cr13 - Nr.1.4021

420A
X30Cr13 - Nr.1.4028
X30Cr13 - Nr.1.4028

420B
X39Cr13 - Nr.1.4031
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420C
X14CrMoS17 - Nr.1.4104
X14CrMoS17 - Nr.1.4104

430F
X39CrMo17-1 - Nr.1.4122
X39CrMo17-1 - Nr.1.4122

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X17CrNi16-2 Nr.1.4057
X17CrNi16-2 Nr.1.4057

431
X7CrNiAI17-7 - Nr.1.4568
X7CrNiAI17-7 - Nr.1.4568

631M
X46CrS13 - Nr.1.4035
X46CrS13 - Nr.1.4035

X46CRS13