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X12Cr13 - Nr.1.4006

Basic martensitic steel with a low carbon content, a characteristic that on one hand limits temperability and mechanical characteristics after tempering, and on the other increases versatility. Suitable for all those fields in which very high mechanical characteristics are not required. Corrosion resistance sufficient for non-demanding applications.

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)

 

 

(BS 970 pt. 3 -91)

AISI
Kalite   Werkstoff (NF A 35-574-90)    
X12Cr13 1.4006 X12Cr13 X12Cr13 1.4006 Z10C13 410S21 410

Chemical Composition (Cast Analysis) (%)

C Si / max Mn / max P / max S  /max Cr Ni / max
0,08÷0,15 1,00 1,50 0,040 0,030 11,5÷13,5 0,75

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)     220 - 730 max - -
Quenched + Tempered (+QT 650) - 450 650÷850 15 25

*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≤10 880 280 Quenched + Tempered
(+QT 650)
550 700÷1000 9 -
10<d≤16 880 280 500 700÷1000 9 -
16<d≤40 800 250 450 650÷930 10 25
40<d≤63 760 230 450 650÷880 10 25
63<d≤100 730 220 450 650÷850 15 25

*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 (air) 745÷825
Quenching in air or oil  950÷1000
Tempering (QT 650) 680÷780

Tempering Curve

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