Wuxi Jinlai Mechanical Processing Co., Ltd.
Wuxi Jinlai Machinical Processing Co., LTD
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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 |