Phosphorous Steels

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The following tables contain a list of the materials available. For more complete coverage of properties, reference MPIF Standard 35, ASTM B783, ISO 5755, DIN 30910-4, and JIS Z2550, and download the technical information bulletins of interest. Standard powder metal materials are defined in North America by MPIF Standard 35 and ASTM B783, essentially equivalent standards. German PM steels are listed in DIN 30910-4, or more recently, ISO 5755. Japan steels are listed in JIS Z2550, with grade names changing with the revision from 1989 to 2000.

TYPE GRADES DESCRIPTION
Iron-Phosphorus
SSD-45P
MPIF/ASTM FY-4500, FY-8000
ISO F-00P05
DIN Sint-C 35, Sint-D 35
JIS P1064, P1065, P1066, P1084, P1086
Low carbon iron-phosphorus steel used extensively for soft magnetic applications.
Iron-Phosphorus-Carbon
ISO F-05P05
JIS P1074, P1075, P1076, P1094, P1096
Iron-Phosphorus with carbon addition for higher strength.
Iron-Phosphorus-Copper
ISO F-00C2P
DIN Sint-C 36, Sint-D 36
JIS P2094, P2095, P2096, P2124, P2126
Iron-Phosphorus with copper addition for higher strength, with better ductility than Iron-Phosphorus with carbon addition.
Iron-Phosphorus-Copper-Carbon
ISO F-05C2P
JIS P2104, P2105, P2106, P2134, P2136
Similar strength to the Iron-Carbon and Iron-Copper-Carbon alloys, with slightly better ductility.

Phosphorous Steel - As-Sintered

Chemistry Typical Properties
GRADE
Fe
C P Cu g/cm3
ksi (MPa)
ksi (MPa)
%
Energy
ft-lb (J)
Apparent Hardness
HRB
FY-4500 Bal <0.03 0.4-0.5 - 6.7
7.1
40 (275)
50 (340)
30 (210)
35 (240)
5
7
25 (34)
47 (64)
40
55
SSD-45P
SSD-45P-HTS
- 7.1
7.3
55 (380)
60 (415)
40 (275)
39 (270)
11
25
60(82)
>200 (>275)
58
64
F-00P05
Bal
<0.1
0.4-0.5
-
6.6
7.0
43 (300)
58 (400)
30 (210)
35 (240)
4
9
13 (18)
22 (30)
40
60
P1094
P1096
Bal
<0.3
0.5-0.65
-
6.6
7.0
53 (370)
67 (460)
45 (310)
58 (400)
2
5
-
62
69
F-05P05
Bal
0.3-0.6
0.4-0.5
-
6.6
7.0
58 (400)
70 (480)
44 (305)
53 (365)
3
5
6.5 (9)
11 (15)
65
72
F-00C2P
Bal
<0.3
0.4-0.5
1.5-2.5
6.6
7.0
58 (400)
72 (500)
43 (300)
50 (340)
3
6
-
60
69
F-05C2P
Bal
0.3-0.6
0.4-0.5
1.5-2.5
6.6
7.0
65 (450)
80 (550)
52 (360)
58 (400)
2
3
-
69
74
P2134
P2136
Bal
0.3-0.6
0.5-0.65
1-4
6.6
7.0
65 (450)
77 (530)
58 (400)
65 (450)
1
2
-
70
75

Density ranges for the materials listed are typically for single-pressed parts. Higher densities can be achieved with double-pressing. “HTS” indicates the material has been “high temperature sintered”, i.e. sintered at a minimum temperature of 2200 F (1200 C).