Chemistry & Mechanical Properties

Chemistry

GradeCarbon:Iron, Fe:Lead, PB:Manganese:Phosphorus (Max.):Sulphur (Max.):Silicon (Max.):
Comments:*Open hearth or basic oxygen products AISI 1144 heats to be used for Fatigue-proof® are usually nitrogen treated, and contain nitrogen in quantities normally associated with steel produced by the electric furnace process
1018 CF Carbon0.15/0.200.60/0.900.0400.050
1045 CF Carbon0.43/0.500.60/0.900.0400.050
1045 TG&P, CF Carbon0.43/0.500.60/0.900.0400.050
1117 CF Carbon0.14/0.201.00/1.300.0400.08/0.13
11L17 CF Carbon0.14/0.20Remainder0.15/0.361.00/1.300.0400.08/0.13
1141 CF Carbon0.37/.451.35/1.650.0400.08/0.13
11L41 CF Carbon0.37/.450.15/0.351.35/1.650.0400.08/0.13
1144 CF Carbon0.40/0.481.35/1.650.0400.24/0.33
12L14 CF Carbon0.150.15/0.350.85/1.150.04/0.090.26/0.35
1215 CF Carbon0.090.75/1.050.04/0.090.26/0.35
1144 A311/Stressproof ®, CF Carbon0.40/0.481.35/1.650.040.24/0.330.15/0.35
Fatigueproof ®, CF Carbon0.40/0.481.35/1.650.040.24/0.330.15/0.35

Mechanical Properties

Tensile Strength (psi):Yield Strenth (psi):Elongation in
2" (%):
Reduction of
Area (%):
Brinell Hardness:Machining Characteristics:Rockwell C Hardness:
Comment(s):*In the event of disagreement between hardness & tensile strength, the tensile strength will govern.
64,00054,0001540126
91,00077,0001235179
820,00045,0001235163
69,00058,0001540137
69,00058,0001540137
100,00088,0001030212
100,00090,0001030197
108,00090,0001030217
78,00060,0001535163
78,00060,0001035167
115,000100,0008% min. (7% min. above 3 in.)25% min. (20% min. above 2 in.)83% of 1212
*140,000 125,0005% min.15% min.*250 min.80% of 1212*30 min.
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