AISI/SAE 4130 Carbon Steel Bar
Classification :
Carbon Steel Bar
Keywords :
Carbon Steel Bar
AISI/SAE 4130 Carbon Steel Bar Description
4130 cold-rolled round bars provide some recognized weldability without affecting the wear and impact resistance of the steel, carbon steel 4130 bars also have excellent machining properties and can be heat treated. At the same time, it has high tensile strength and high yield strength.
Product Parameters
Product Name | AISI/SAE 4130 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 | Mo |
AISI 4130 | 0.4-0.8 | 0.04 | 0.28-0.33 | 0.035 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 |
Mechanical Properties
Grade | Tensile Strength N/mm2 Min | Yield Strength N/mm2 Min | A,% Min | Z,% Min |
AISI 4130 | 930 | 735 | 12 | 50 |
Scope of Application
SAE 4130 round bars are commonly used in structural applications, including brackets, gears, and some aircraft exteriors.
Factory Appearance

| 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
In addition to independent production, the company has also signed annual sales contracts with major steel mills. The company has sufficient inventory and complete variety specifications.

FACTORY
As a leading steel producer in Wuxi Province, we own our own factory production facilities and processing workshops. We provide product consultation, advice, customization, and shipping services. New and existing customers are welcome to contact us to discuss cooperation.
Applications
Wuxi Tuda Metal Materials Co., Ltd. was established in 2012. Our mission is to promote the development of the stainless steel and aluminum industries. Currently, our main business scope covers various stainless steel and aluminum products, including hot-rolled and cold-rolled stainless steel coils, seamless and welded stainless steel pipes, and aluminum pipes.
HONOR
As a leading steel producer in Wuxi Province, we own our own factory production facilities and processing workshops. We provide product consultation, advice, customization, and shipping services. New and existing customers are welcome to contact us to discuss cooperation.
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