
5140 alloy steel
AISI 5140
DIN41Cr4
W.Nr.1.7035
JIS SCr440
GB 40Cr
Products Description
41Cr4/5140 alloy steel Tube has good hardening properties, wear resistance and high strength. It also has good weldability and workability.5140 alloy steel seamless tubes are suitable for machining, automotive industry, aerospace and other engineering applications under high loads and high temperature environments. It is commonly used in the production of bearing sleeves, pins, gears, connectors and other parts.
41cr4 equivalent grade:
| AISI/SAE | DIN | W.Nr. | AFNOR | JIS | BS | SIAU | GB,YB |
|
5140 |
41Cr4 | 1.7035 | - | SCr440 | - | - | 40Cr |
aisi 5140 chemical composition (%):
| C | Mn | Si | Cr | Ni | Mo | P | S |
| 0.38-0.45 | 0.60-0.90 | 0.40 | 0.90-1.20 | - | - | ≤0.035 | ≤0.035 |
5140 steel properties:
| Re min. N/mm2 | Rm N/mm2 | A min. % | Z min. % | KV min. J | Hardness |
| 785 | 980 | 9 | 45 | 47 | 207 |
41Cr4 5140 Seamless Steel Tubes Photos

Our factory

Steel Making

Ingot Production

Forged Bars
Machinary

5140 alloy steel tubes, after quenching and tempering, is suitable for manufacturing mechanical parts that can withstand medium loads and work at medium speeds, such as steering knuckles, rear half shafts of automobiles, gears, shafts, worms, spline shafts, and top sleeves on machine tools; After quenching and medium temperature tempering, it is suitable for manufacturing parts that can withstand high loads, impacts, and work at medium speeds, such as gears, spindles, oil pump rotors, sliders, collars, etc; After quenching and low-temperature tempering, it is suitable for manufacturing parts that can withstand heavy loads, have low impact, wear resistance, and have a solid thickness of less than 25mm on the cross-section, such as worms, spindles, shafts, collars, etc;
After quenching and high-frequency surface quenching, 41Cr4/5140 Seamless Steel Tube is suitable for manufacturing parts with high surface hardness and wear resistance without significant impact, such as gears, sleeves, shafts, main shafts, crankshafts, mandrels, and pins.
Packing & Delivery

41Cr4 5140 alloy steel Seamless Tubes Packing & Delivery
-
The inner size of container is below:
-- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
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