38crmoal Steel Alloy Structural Steel Round Bar 24mm 22mm 2 inch steel bar
38CrMoAl Alloy Structural Steel 6.0mm-1200mm Round Bar
38CrMoAl round steel is mostly used to manufacture various small size nitrided parts with high fatigue strength, high wear resistance, accurate size and high strength after heat treatment, such as cylinder sleeve, seat sleeve, bottom cover, piston bolt, inspection precision grinder spindle, lathe spindle, enamel rod, precision lead screw, gear, worm, high pressure valve, valve rod, imitation mold, roller, template, turbine governor, rotating sleeve, fixed sleeve Some wear-resistant parts on plastic extruders are not suitable for large parts.
Supply Form & Size
| Form of Supply | Size(mm) | Length(mm) |
| Round bar | 6.0mm-1200mm | 2.5m-10m |
Chemical Composition&Related Specifications
| Grade | C | Si | Mn | S | P | Cr | Al | Mo |
| 38CrMoAl | 0.35～0.42 | 0.20～0.45 | 0.30～0.60 | ≤0.035 | ≤0.035 | 1.35～1.65 | 0.7～1.1 | 0.15～0.25 |
Brand comparison table
| AISI/SAE | DIN/EN | BS | JIS/KS | China |
| / | 41CrAlMo7 | 41CrAlMo7 | SACM645 | 38CrMoAl |
Mechanical Property
| tensile strength σb (MPa) |
≥980(100) |
| yield strength σs (MPa |
≥835(85) |
| elongation δ5 (%) |
≥14 |
| Reduction of area ψ (%) |
≥50 |
| Impact toughness valu |
≥88(9) |
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