high stress Carbon Alloy Steel Round Bar 4140 heavy duty industrial
4140 Alloy Steel Round, is an cold drawn annealed steel of relatively high hardenability with its chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. 4140 Alloy Steel Round responds well to heat-treatment and is relatively easy to machine in the annealed condition. 4140 Alloy Steel Round has good strength and wear resistance, excellent toughness, coupled with good ductility, and the ability to resist stress at elevated temperatures.
Round, hexagon, square or flat, our alloy bars are available in a diverse selection of grades and finishes processed to meet your exact requirements. Whether you require full-length alloy bars or small, cut pieces, we have the product on hand and processing capabilities to turn around your order quickly.
| Alloy Bar Shape |
Ally Bar Grades/Types |
Alloy Bar Sizes |
| Alloy Flat Bar |
Grade: 4140
Types: Hot Rolled, Cold Finished |
Thicknesses: 0.109" thru 4"
Widths: up to 14.625" |
| Alloy Hexagon Bar |
Grade: 4140
Type: Cold Finished |
Diameter: 0.25" thru 4"
Stock Lengths: 11' thru 20' |
| Alloy Round Bar |
Grades: 4130, 4140, 4140/42, 4142, , 4150, 41L40, 4340, 86L20, E4340, ETD150
Types: Annealed, Cold Finished, Forged, Hot Rolled, Q & T, DGP, TGP |
Diameter: 0.125" thru 24"
Stock Lengths: 10' thru 24' |
| Alloy Square Bar |
Grades: 4140, 8620
Type: Hot Rolled, Cold Finished |
Diameter: 0.1875" thru 6"
Stock Lengths: 11' thru 24' |
AISI 4140 Rounds Hot Rolled
| Size (mm) |
40 |
50 |
60 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
105 |
110 |
| 115 |
120 |
125 |
130 |
140 |
150 |
160 |
170 |
180 |
190 |
200 |
220 |
| 240 |
260 |
280 |
300 |
320 |
350 |
400 |
|
|
|
|
|
AISI 4140 Rounds Bright Drawn
| Size (inches) |
5/16 |
3/8 |
7/16 |
1/2 |
9/16 |
5/8 |
3/4 |
7/8 |
15/16 |
1 |
1 1/8 |
1 1/4 |
1 3/8 |
1 1/2 |
| 1 5/8 |
1 3/4 |
2 |
2 1/4 |
2 1/2 |
2 3/4 |
3 |
3 1/2 |
4 |
|
|
|
|
|
| Size (mm) |
10 |
12 |
15 |
16 |
18 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
60 |
AISI 4140 also known as EN19 comes treated in the annealed as rolled or even T condition. We can offer AISI 4140 in bar form from stock, rolled and bright drawn. It is renown for its wear resistance and where high strength properties is required. Suitable for gears, shafts, spindles, etc. Frequently used within the gas and oil industry. For improved weldability consider using 4130.
The 41xx family of steel include chromium and molybdenum and are often referred to as chromoly steel or chrome-moly. Chromoly steels have an excellent strength to weight ratio but do not contain sufficient quantities to provide the levels of corrosion resistance found in stainless steels. These steel are often used in aircraft parts also frequently used within the gas and oil industry.
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High Stress Annealed Alloy Steel Round Bar AISI 4140 Heavy Duty With Chromium Content Images
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