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Carbon Steel 1045
1045 Medium carbon steel. often used for bolts, studs and shaft parts. High strength and hardness. 1045 is medium-carbon steel. The higher carbon content imparts higher strength properties than 1018. When higher degrees of dimensional accuracy and straightness are required, we recommend the use of precusuib shafting.
Due to the higher carbon content this material is not readily welded. This material is used where greater strength is required than can be obtained from the lower carbon steel. It responds to heat treatment well. Used primarily as shafts, machinery parts, bolts, pinions, gears, etc.
This is a fully killed steel produced to fine grain practice by the electric arc or basic oxygen furnace process. Its relatively high strength coupled with reasonably good ductility make it a natural choice for miscellaneous parts such as shafts and gears.
Special welding procedures are required in welding this grade because its relatively high carbon and manganese content promote high hardness and brittleness in the heat affected zone. It is the most common shafting steel in the medium carbon range.
Principal Design Features
1045 is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished bars can be machined unsymmetrically with minimum distortion.
Applications
Used in gears, shafts, axles, bolts, studs, and machine parts.
Heat Treatment
Suitable for flame and induction hardening.
Forging
Can be hammer forged and responds to heat treatment.
Chemistry Data |
Carbon |
|
0.42 - 0.5 |
Iron |
|
Balance |
Manganese |
|
0.6 - 0.9 |
Phosphorus |
|
0.04 max |
Sulphur |
|
0.05 max |
Physical Data |
Density (lb / cu. in.) |
|
0.283 |
Mechanical Data |
Form |
|
Round Bar |
Condition |
|
Cold Drawn |
Temper |
|
68 |
Tensile Strength |
|
91 |
Yield Strength |
|
77 |
Elongation |
|
12 |
Reduction of Area |
|
35 |
Rockwell |
|
C15 |
Brinnell |
|
179 |
Form |
|
Round Bar |
Condition |
|
Hot Rolled |
Temper |
|
68 |
Tensile Strength |
|
82 |
Yield Strength |
|
45 |
Elongation |
|
16 |
Reduction of Area |
|
40 |
Rockwell |
|
C16 |
Brinnell |
|
163 |
1008 | 1010 | 1015 | 1018 | 1020 | 1025 | 1035 | 1040 | 1045 | 1050 | 1117 | 1141 | 1144 | 12L14 | 1215 | 4140 | 4150 | 4340 | 8620 | A36 | A653 | A513 | Mechanical Properties | Physical Properties | Carbon Steel Pipe Standards | ASTM A53 B Working Pressure | ASTM A106 B Pressure Temperature Rating | Carbon Steel | Steel Alloy Designations | Chemical Composition Analysis of Carbon Steel Table | UNS Number G1 | UNS Number G2 | UNS Number G3 | UNS Number G4 | UNS Number G5 | UNS Number G6 | UNS Number G7
DIN 2391 Seamless Precision Steel Tubes
DIN 2393 St28 St34.2 St37.2 St44.2 St52.3 Welded Precision Steel Tubes
EN 10305-2 E195 E235 E355 Welded Cold Drawn Precision Steel Tube
EN 10305-1 E215 E235 E355 Seamless Precision Steel Tube Tubing Tubes
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|
Germany |
China |
England |
France |
Italy |
Belgium |
Swed |
Spain |
Japan |
USA |
Material No. |
DIN |
GB |
BS |
EN |
AFNOR |
UNI |
NBN |
SS |
UNE |
JIS |
AISI |
1.0401 |
C15 |
15 |
080M15 |
- |
CC12 |
C15C16 |
- |
1350 |
F.111 |
- |
1015 |
1.0402 |
C22 |
20 |
050A20 |
2C |
CC20 |
C20C21 |
C25-1 |
1450 |
F.112 |
- |
1020 |
1.0501 |
C35 |
35 |
060A35 |
- |
CC35 |
C35 |
C35-1 |
1550 |
F.113 |
- |
1035 |
1.0503 |
C45 |
45 |
080M40 |
- |
CC45 |
C45 |
C45-1 |
1650 |
F.114 |
- |
1045 |
1.0535 |
C55 |
55 |
070M55 |
- |
- |
C55 |
C55-1 |
1655 |
- |
- |
1055 |
1.0601 |
C60 |
60 |
080A62 |
43D |
CC55 |
C60 |
C60-1 |
- |
- |
- |
1060 |
1.7015 |
9SMn28 |
Y15 |
230M07 |
- |
S250 |
CF9SMn28 |
- |
1912 |
11SMn28 |
SUM22 |
1213 |
1.0718 |
9SMnPb28 |
- |
- |
- |
S250Pb |
CF9MnPb28 |
- |
1914 |
11SMnPb28 |
SUM22L |
12L13 |
1.0722 |
10SPb20 |
- |
- |
- |
10PbF2 |
CF10Pb20 |
- |
- |
10SPb20 |
- |
- |
1.0726 |
35S20 |
- |
212M36 |
8M |
35MF4 |
- |
- |
1957 |
F210G |
- |
1140 |
1.0736 |
9SMn36 |
Y13 |
240M07 |
1B |
S300 |
CF9SMn36 |
- |
- |
12SMn35 |
- |
1215 |
1.0737 |
9SMnPb36 |
- |
- |
- |
S300Pb |
CF9SMnPb36 |
- |
1926 |
12SMnP35 |
- |
12L14 |
1.0904 |
55Si9 |
55Si2Mn |
250A53 |
45 |
55S7 |
55Si8 |
55Si7 |
2085 |
56Si7 |
- |
9255 |
1.0961 |
60SiCr7 |
- |
- |
- |
60SC7 |
60SiCr8 |
60SiCr8 |
- |
60SiCr8 |
- |
9262 |
1.1141 |
Ck15 |
15 |
080M15 |
32C |
XC12 |
C16 |
C16-2 |
1370 |
C15K |
S15C |
1015 |
1.1157 |
40Mn4 |
40Mn |
150M36 |
15 |
35M5 |
- |
- |
- |
- |
- |
1039 |
1.1158 |
Ck25 |
25 |
- |
- |
- |
- |
C25-2 |
- |
- |
S25C |
1025 |
1.1167 |
36Mn5 |
35Mn2 |
- |
- |
40Mn5 |
- |
- |
2120 |
36Mn5 |
SMn438 |
1335 |
1.1170 |
28Mn6 |
30Mn |
150M28 |
14A |
20M5 |
C28Mn |
28Mn6 |
- |
- |
SCMn1 |
1330 |
1.1183 |
Cf35 |
35Mn |
060A35 |
- |
XS38TS |
C36 |
C36 |
1572 |
- |
S35C |
1035 |
1.1191 |
45 |
Ck45 |
080M46 |
- |
XC42 |
C45 |
C45-2 |
1672 |
C45K |
S45C |
1045 |
1.1203 |
Ck55 |
55 |
070M55 |
- |
XC45 |
C50 |
C55-2 |
- |
C55K |
S55C |
1055 |
1.1213 |
Cf53 |
50 |
060A52 |
- |
XC48TS |
C53 |
C53 |
1674 |
- |
S50C |
1050 |
1.1221 |
Ck60 |
60Mn |
080A62 |
43D |
XC60 |
C60 |
C60-2 |
1678 |
- |
S58C |
1060 |
1.1274 |
Ck101 |
- |
060A96 |
- |
- |
- |
- |
1870 |
- |
SUP4 |
1095 |
1.3401 |
X120Mn12 |
- |
Z120M12 |
- |
X120M12 |
XG120Mn12 |
- |
- |
X120Mn12 |
SCMn
H/1 |
- |
1.3505 |
100Cr6 |
Gr15
45Gr |
534A99 |
31 |
100C6 |
100Cr6 |
- |
2258 |
F.131 |
SUJ2 |
52100 |
1.5415 |
15Mo3 |
- |
1501-240 |
- |
15D3 |
16Mo3KW |
16Mo3 |
2912 |
16Mo3 |
- |
ASTM A20Gr.A |
Structural Steel Comparison Table 2 |
Germany |
China |
England |
France |
Italy |
Belgium |
Swe |
Spain |
Material No. |
DIN |
GB |
BS |
EN |
AFNOR |
UNI |
NBN |
SS |
UNE |
1.5426 |
16Mo5 |
- |
1503-245-420 |
- |
- |
16Mo5 |
16Mo5 |
- |
16Mo5 |
1.5622 |
14Ni6 |
- |
- |
- |
16N6 |
14Ni6 |
18Ni6 |
- |
15Ni6 |
1.5662 |
X8Ni9 |
- |
1501-509;510 |
- |
- |
X10Ni9 |
10Ni36 |
- |
XBNi09 |
1.5680 |
12Ni19 |
- |
- |
- |
Z18N5 |
- |
12Ni20 |
- |
- |
1.5710 |
36NiCr6 |
- |
640A35 |
111A |
35NC6 |
- |
- |
- |
- |
1.5732 |
14NiCr10 |
- |
- |
- |
14NC11 |
16NiCr11 |
- |
- |
15NiCr11 |
1.5752 |
14NiCr14 |
- |
655M13;655A12 |
36A |
12NC15 |
- |
13NiCr12 |
- |
- |
1.6511 |
36CrNiMo4 |
- |
816M40 |
110 |
40NCD3 |
38CrNiMo4 |
- |
- |
35CrNiMo4 |
1.6523 |
21NiCrMo2 |
- |
850M20 |
362 |
20NCD2 |
20NiCrMo2 |
- |
2503 |
20NiCrMo2 |
1.6546 |
40NiCrMo2 |
- |
311-Type7 |
- |
- |
40NiCrMo2 |
40NiCrMo2 |
- |
40NiCrMo2 |
1.6582 |
34CrNiMo6 |
40CrNiMoA |
817M40 |
24 |
35NCD6 |
35CrNiMo6 |
35CrNiMo6 |
2541 |
- |
1.6587 |
17CrNiMo6 |
- |
820A16 |
- |
18NCD6 |
- |
17CrNiMo7 |
- |
14CrNiMo13 |
1.7015 |
15Cr3 |
15Cr |
523M15 |
- |
12C3 |
- |
15Cr2 |
- |
- |
1.7033 |
34Cr4 |
35Cr |
530A32 |
18B |
32C4 |
34Cr4(KB) |
34Cr4 |
- |
35Cr4 |
1.7035 |
41Cr4 |
40Cr |
530M40 |
18 |
42C4 |
41Cr4 |
42Cr4 |
- |
42Cr4 |
1.7045 |
42Cr4 |
40Cr |
- |
- |
- |
- |
- |
2245 |
42Cr4 |
1.7131 |
16MnCr15 |
18CrMn |
(527M20) |
- |
16MC5 |
16MnCr15 |
16MnCr15 |
2511 |
16MnCr15 |
1.7176 |
55Cr3 |
20CrMn |
527A60 |
48 |
55C3 |
- |
55Cr3 |
- |
- |
1.7218 |
25CrMo4 |
30CrMn |
1717CDS110 |
- |
25CD4 |
25CrMo4 |
25CrMo4 |
2225 |
55Cr3 |
1.7220 |
34CrMo4 |
35CrMo |
708A37 |
19B |
35CD4 |
35CrMo4 |
34CrMo4 |
2234 |
34CrMo4 |
1.7223 |
41CrMo4 |
40CrMoA |
708M40 |
19A |
42CD4TS |
41CrMo4 |
41CrMo4 |
2244 |
41CrMo4 |
1.7225 |
42CrMo4 |
42CrMo;
42CrMnMo |
708M40 |
19A |
42CD4 |
42CrMo4 |
42CrMo4 |
2244 |
42CrMo4 |
1.7262 |
15CrMo5 |
- |
- |
- |
12CD4 |
- |
- |
2216 |
12CrMo4 |
1.7335 |
13CrMo44 |
- |
1501-620Gr.27 |
- |
15CD3.5;
15CD4.5 |
14CrMo44 |
14CrMo45 |
- |
14CrMo45 |
1.7361 |
32CrMo12 |
- |
722M24 |
40B |
30CD12 |
32CrMo12 |
32CrMo12 |
2240 |
F.124.A |
1.7380 |
10CrMo910 |
- |
1501-622Gr.31;45 |
- |
12CD9;10 |
12CrMo9,10 |
- |
2218 |
TU.H |
1.7715 |
14MoV63 |
- |
1503-660-440 |
- |
- |
- |
13MoCrV6 |
- |
13MoCrV6 |
1.8159 |
50CrV4 |
50CrVA |
735A50 |
47 |
50CV4 |
50CrV4 |
50CrV4 |
2230 |
51CrV4 |
1.8509 |
41CrAlMo7 |
- |
905M39 |
41B |
40CAD6,12 |
41CrAlMo7 |
41CrAlMo7 |
2940 |
41CrAlMo7 |
1.8523 |
39CrMoV139 |
- |
897M39 |
40C |
- |
36CrMoV12 |
36CrMoV13 |
- |
- |
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