ASTM A29 1050 steel covers a group of requirements for carbon and alloy steel bars under each of the following specifications: hot-rolled carbon steel bars, cold-finished carbon steel bars, hot-rolled alloy steel bars, and cold-finished alloy steel bars.
ASTM1050 steel Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought .
ASTM 1050 chemical composition by %,maximum:
Grade |
Chemical composition %: | |||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | |
| ASTM1050 | 0.48-0.55 | 0.17-0.37 | 0.60-0.90 | ≤0.050 | ≤0.040 | ≤0.25 | ≤0.25 | ≤0.25 |
ASTM1050 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 | |
| ASTM1050 | 630(64) | 375(38) | 14 | 40 | 31 | 39(4) | 241 |
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