
AISI/SAE 4340 Carbon Steel Bar
Category:
Carbon Steel Bar
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Keyword:
AISI/SAE 4340 Carbon Steel Bar
PRODUCT DETAILS
AISI/SAE 4340 Carbon Steel Bar Description
AISI 4340 alloy steel is a heat treatable low alloy steel containing chromium, nickel and molybdenum. It has high toughness and high strength under heat treatment conditions.
Product Parameters
Product Name |
AISI/SAE 4340 Carbon Steel Bar | |||
Standard |
EN/DIN/JIS/ASTM/BS/ASME/AISI, etc. |
|||
Common Round Bar Specifications |
3.0-50.8 mm, Over 50.8-300mm |
|||
Flat Steel Common Specifications |
6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm |
|||
Hexagon Bar Common Specifications |
AF5.8mm-17mm |
|||
Square Bar Common Specifications |
AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm |
|||
Length |
1-6meters, Size Accept Custom |
|||
Diameter(mm) |
Hot Rolling Round Bar |
25-600 |
Cold Rolling Square Bar |
6-50.8 |
Hot Rolling Square Bar |
21-54 |
Cold Rolling Hexagon Bar |
9.5-65 |
|
Cold Rolling Round bar |
6-101.6 |
Forged Rebar |
200-1000 |
|
Surface Process |
Bright, Polished, Black |
|||
Other Services |
Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
Chemical Composition
Grade |
Mn |
S |
C |
P |
Si |
Cr |
Ni |
AISI 4340 |
0.60-0.80 |
0.035 |
0.38-0.43 |
0.04 |
0.15-0.35 |
0.70-0.90 |
1.65-2.00 |
Mechanical Properties
Grade |
Tensile Strength kg f/mm2 |
Yield Strength kg f/mm2 |
Elongation % |
Hardness HB |
AISI 4340 |
≥ 100 |
≥90 |
≥ 16 |
293-352 |
Scope of Application
AISI 4340 alloy steel is mainly used for power transmission gears and shafts, aircraft landing gear and other structural parts.
USA | Japan | Germany | U.K. |
|
France | Italy | Spain | Switzerland | China | |
AISI/SAE |
JIS |
W‐nr. |
DIN |
BS |
EN |
AFNOR |
UNI |
UNE |
SS |
GB |
A570.36 |
STKM 12A |
1.0038 |
RSt.37‐2 |
4360 |
‐ |
E 24‐2 |
‐ |
‐ |
1311 |
15 |
- |
STKM 12C |
- |
- |
40 C |
- |
Ne |
- |
- |
- |
- |
1015 |
‐ |
1.0401 |
C15 |
080M15 |
‐ |
CC12 |
C15, C16 |
F.111 |
1350 |
15 |
1020 |
‐ |
1.0402 |
C22 |
050A20 |
2C |
CC20 |
C20, C21 |
F.112 |
1450 |
20 |
1213 |
SUM22 |
1.0715 |
9SMn28 |
230M07 |
1A |
S250 |
CF9SMn28 |
F.2111 |
1912 |
Y15 |
11SMn28 |
||||||||||
12L13 |
SUM22L |
1.0718 |
9SMnPb28 |
‐ |
‐ |
S250Pb |
CF9SMnPb28 |
11SMnPb28 |
1914 |
‐ |
‐ |
‐ |
1.0722 |
10SPb20 |
‐ |
‐ |
10PbF2 |
CF10Pb20 |
10SPb20 |
‐ |
‐ |
1215 |
‐ |
1.0736 |
9SMn36 |
240M07 |
1B |
S300 |
CF9SMn36 |
12SMn35 |
‐ |
Y13 |
12L14 |
‐ |
1.0737 |
9SMnPb36 |
‐ |
‐ |
S300PB |
CF9SMnPb36 |
12SMnP35 |
1926 |
‐ |
1015 |
S15C |
1.1141 |
Ck15 |
080M15 |
32C |
XC12 |
C16 |
C15K |
1370 |
15 |
1025 |
S25C |
1.1158 |
Ck25 |
‐ |
‐ |
‐ |
‐ |
‐ |
‐ |
25 |
A572-60 |
‐ |
1.890 |
StE380 |
4360 55 |
‐ |
‐ |
FeE390KG |
‐ |
2145 |
‐ |
1035 |
‐ |
1.0501 |
C35 |
060A35 |
‐ |
CC35 |
C35 |
F.113 |
1550 |
35 |
1045 |
‐ |
1.0503 |
C45 |
080M46 |
‐ |
CC45 |
C45 |
F.114 |
1650 |
45 |
1140 |
‐ |
1.0726 |
35S20 |
212M36 |
8M |
35MF4 |
‐ |
F210G |
1957 |
‐ |
1039 |
‐ |
1.1157 |
40Mn4 |
150M36 |
15 |
35M5 |
‐ |
‐ |
‐ |
40Mn |
1335 |
SMn438(H) |
1.1167 |
36Mn5 |
‐ |
‐ |
40M5 |
‐ |
36Mn5 |
2120 |
35Mn2 |
1330 |
SCMn1 |
1.1170 |
28Mn6 |
150M28 |
14A |
20M5 |
C28Mn |
‐ |
‐ |
30Mn |
1035 |
S35C |
1.1183 |
Cf35 |
060A35 |
‐ |
XC38TS |
C36 |
‐ |
1572 |
35Mn |
1045 |
S45C |
1.1191 |
Ck45 |
080M46 |
‐ |
XC42 |
C45 |
C45K |
1672 |
Ck45 |
1050 |
S50C |
1.1213 |
Cf53 |
060A52 |
‐ |
XC48TS |
C53 |
‐ |
1674 |
50 |
1055 |
‐ |
1.0535 |
C55 |
070M55 |
9 |
‐ |
C55 |
‐ |
1655 |
55 |
1060 |
‐ |
1.0601 |
C60 |
080A62 |
43D |
CC55 |
C60 |
‐ |
‐ |
60 |
1055 |
S55C |
1.1203 |
Ck55 |
070M55 |
‐ |
XC55 |
C50 |
C55K |
‐ |
55 |
1060 |
S58C |
1.1221 |
Ck60 |
080A62 |
43D |
XC60 |
C60 |
‐ |
1678 |
60Mn |
1095 |
‐ |
1.1274 |
Ck101 |
060A96 |
‐ |
XC100 |
‐ |
F.5117 |
1870 |
‐ |
W1 |
SK3 |
1.1545 |
C105W1 |
BW1A |
‐ |
Y105 |
C36KU |
F.5118 |
1880 |
‐ |
W210 |
SUP4 |
1.1545 |
C105W1 |
BW2 |
‐ |
Y120 |
C120KU |
F.515 |
2900 |
‐ |
Packing and delivery
Our annual sales are 8,000 tons. It is the top steel service provider and steel solution provider in the region. The company has a powerful sales team to provide customers with comprehensive technical support, pre -sales service and comprehensive after -sales service. The entire perfect treatment and sales process is our quality assurance.
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