Austenitic stainless steel
with N and Nb additions
Material number:
1.4472
Standard EN:
X 4 CrNiMnMo 21-9-4
Biocompatibility:
good
Remelting:
PESR (Pressure-ESR)
Machinability:
from satisfactory to good
Hardening capability:
cannot be hardened
Cold forming:
can be cold formed
Cold working:
can be cold worked
Polishing ability:
suitable
Corrosion resistance:
good, Implant quality
Magnetism:
non magnetic
Applications:
Implants und medical and dental
applications
bars 3m
ground
h 6
1814 kg
0
250 618 - 787.700|230 119 - 1026.400
12-000
bars-3m
ground
h-6-en
75.000
55833875000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
shaved, annealed, tensile Rm > 740MPa
in 3m bars (0/-500mm)
round 75.00 mm, tolerance ISO h9
bars 3m
scaled
spec.
0 kg
0
280 611 - 40.600
75-000
bars-3m
scaled
spec-en
35.000
55833435000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
shaved, annealed, ground
tensile strength Rm: > 740 MPa
ultrasonic insprected as
per DIN EN 10308, Typ 1a, cl. 3
in apprx. 4m bars
round 35.00 mm, tolerance ISO h11
bars 3m
scaled
h 11
204 kg
500
190 521 - 203.800
35-000
bars-3m
scaled
h-11-en-2
40.000
55833340000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
shaved, annealed,
in 3m bars (+500/0mm)
round 40.00 mm, tolerance ISO h9
bars 3m
scaled
h 9
207 kg
800
011 221 - 164.900|090 322 - 42.300
40-000
bars-3m
scaled
h-9-en
33.000
55833333000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
peeled, annealed, tensile Rm >740MPa
in 3m bars (0/-500mm)
diam. 33.00 mm, tolerance ISO h9
bars 3m
scaled
h 9
105 kg
0
131 119 - 105.200
33-000
bars-3m
scaled
h-9-en
30.000
55833330000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
shaved, annealed,
in 3m bars (+500/0mm)
round 30.00 mm, tolerance ISO h9
bars 3m
scaled
h 9
52 kg
500
011 221 - 51.900
30-000
bars-3m
scaled
h-9-en
22.000
55813322000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
warm worked, annealed
tensile strength Rm: >740 MPa
peeled, polished, in 3m bars (+500/0mm)
eddycurrent crack tested
round 22.00 mm, tolerance ISO h9
bars 3m
ground
h 9
202 kg
0
070 721 - 201.700
22-000
bars-3m
ground
h-9-en
20.000
55813320000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586, ISO 5832-9
high Grade steel for medical application
tensile strength Rm: >740 MPa
ground polished, in 3m bars (+500/0mm)
eddycurrent crack tested
round 20.00 mm, tolerance ISO h9
bars 3m
ground
h 9
342 kg
500
270 612 - 10.000|191 218 - 315.900
20-000
bars-3m
ground
h-9-en
15.000
55813315000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586, ISO 5832.9
High Grade steel for medical application
warm worked, annealed
in 3m (+500/0mm) bars
diam. 15.00 mm, tolerance ISO h9
bars 3m
ground
h 9
231 kg
0
060 319 - 230.900
15-000
bars-3m
ground
h-9-en
15.870
55813015870
Chronifer Special 72
German no 1.4472, X4CrNiMnMoN 21.9.4
as per ASTM F-1586, ISO 5832-9
High Grade steel for medical application
cold worked tensile Rm: 1100 – 1300 MPa
in 3m bars (+/-50 mm)
end of bars: chamfered
ultrasonic inspected per AMS 2630C, cl. A1
diam. 15.87 mm (5/8”), tolerance ISO h6
bars 3m
ground
h 6
273 kg
0
150 120 - 272.600
15-870
bars-3m
ground
h-6-en
25.000
55813325000
Chronifer Special 72
German no 1.4472
as per ASTM F-1586-13, ISO 5832-9
high Grade steel for medical application
warm worked, annealed, peeled, polished
tensile strength Rm: >740 MPa
peeled, polished, in 3m bars (+500/0mm)
eddycurrent crack tested
round 25.00 mm, tolerance ISO h9
bars 3m
ground
h 9
80 kg
800
070 721 - 79.800
25-000
bars-3m
ground
h-9-en
10.000
55813010000
Chronifer Special 72
W.Nr. 1.4472, Implant
as per ISO 5832-9, ASTM F-1586-08
high Grade steel for medical application
cold worked, ground, polished
Rm: 1100 – 1300 MPa, A% 50 >12%
in 3m bars (+50/0mm)
end of bars: pointed and chamfered
diam. 10.00 mm, tolerance ISO h6
bars 3m
ground
h 6
1572 kg
0
230 418 - 595.850|120 219 - 975.650
10-000
bars-3m
ground
h-6-en
16.000
55803816000
Chronifer Special 72
no. 1.4472, X4CrNiMnMoN 21-9-4
as per ASTM F-1586, ISO 5832-9
High Grade steel for medical application
cold worked tensile Rm: 1100 – 1300 MPa
in 3m bars (+/-50 mm)
end of bars: chamfered
ultrasonic inspected per AMS 2630C, cl. A1
diam. 16.00 mm, tolerance ISO h10
bars 3m
drawn
spec.
143 kg
0
150 120 - 142.600
16-000
bars-3m
drawn
spec-en
7.000
55813007000
Chronifer Special 72
German no 1.4472 Implant
as per ASTM F-1586-13, ISO 5832-9
high grade steel for medical application
tensile strength Rm 1020 – 1250 MPa
cold drawn, ground, polished, in 3m bars
end of bars: pointed and chamfered
diam. 7.00 mm, tolerance ISO h6
Chronifer Special 72
German no 1.4472
as per ASTM F-1586, ISO 5832-9
High Grade steel for medical application
cold worked, annealed
in 2.5 – 3.5m bars
diam. 16.00 mm, tolerance ISO h9
bars 3m
drawn
h 9
0 kg
0
130 717 - 493.950
16-000
bars-3m
drawn
h-9-en
3.100
55803203100
Chronifer Special 72
German no 1.4472, Implant quality
as per ASTM F-1586 and ISO 5832.9
high grade steel for medical application
tensile strength Rm >1500 MPa
cold drawn, ground, in 3m bars (+30/0mm)
end of bars: pointed and chamfered
eddycurrent crack tested
diam. 3.10 mm, tolerance ISO h8
bars 3m
drawn
h 8
73 kg
0
130 912 - 73.487
3-100
bars-3m
drawn
h-8-en
3.000
55813003000
Chronifer Special 72
German no 1.4472, Implant quality
as per UNS S31675
as per ASTM F-1586 and ISO 5832.9
high grade steel for medical application
cold worked, ground, polished
tensile strength Rm >1450 MPa
in 3m bars (+30/0mm)
end of bars: pointed and chamfered
eddycurrent crack tested cl. 4
diam. 3.00 mm, tolerance ISO h6
Chronifer Special 72
German no 1.4472, UNS S31675
as per ASTM F-1586-13, ISO 5832.9 2019
high grade steel for medical application
tensile strength Rm >1200 MPa (1400-1700 MPa)
ground, polished, in 3m bars (+30/0mm)
end of bars: pointed and chamfered
eddycurrent crack tested cl. 4
diam. 4.00 mm, tolerance ISO 286-2/h6
Chronifer Special 72
German no 1.4472
as per ASTM F-1586, ISO 5832.9
high grade steel for medical application
tensile strength Rm >1200 MPa
ground, polished, in 3m bars
end of bars: pointed and chamfered
eddycurrent crack tested
diam. 5.00 mm, tolerance ISO h6
bars 3m
ground
h 6
102 kg
0
301 110 - 101.600
5-000
bars-3m
ground
h-6-en
6.000
55813006000
Chronifer Special 72
German no 1.4472, UNS S31675
as per ASTM F-1586, ISO 5832-9
high grade steel for medical application
RoHs conforme
tensile strength Rm 1100-1300 MPa
ground, polished, in 3m bars (+40/0mm)
end of bars: pointed and chamfered
100% eddycurrent crack tested cl. 4
AMS-STD 2154A/AMS 2632A (Swissline)
diam. 6.00 mm, tolerance ISO h6