Shanghai Katalor enterprises Co., Ltd is a professional ASTM 1040 steel exporter and stockist. We keep thousands of 1040 steel plate, 1040 round bar, 1040 steel pipe in our warehouse. So if you have need for ASTM1040 steel specification, please be free to contact with us and it’s our honor to support you. The material ASTM1040 is a kind of high-quality carbon structural steel under the standard ASTM A29/A29M-04. The domestic brand Corresponding to ASTM1040 is 25CrNiMo.
ASTM1040 Chemical composition %:
Grade |
Chemical composition %: | |||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | |
| ASTM1040 | 0.37-0.44 | 0.17-0.37 | 0.60-0.90 | ≤0.05 | ≤0.04 | ≤0.25 | ≤0.25 | ≤0.25 |
ASTM1040 mechanical properties:
Grade |
Mechanical properties: | ||||||
| Tensile strength σb (Mpa) |
Yield strength σs (Mpa) |
Elongation δ5/(%) |
Percentage reduction of areaψ (%) | Impact AKv(J) | Impact toughness value of alpha kv (J/cm2) | Hardness No heat treatment |
|
| min | min | min | min | min | min | max | |
| ASTM1040 | 570(58) | 335(34) | 19 | 45 | 47 | 59(6) | 217 |
ASTM1040 heat treatment specification: normalizing, 860 ℃; Quenching, 840 ℃; Tempering, 600 ℃.
ASTM1040 is used as the load of small cross-section conditioning or stress intensity of smaller large normalizing parts and central request is not high, the surface wear resistance of surface quenching parts, such as crankshaft, spindle, drive shaft, connecting rod, tie rod, gear.
