4142 Alloy Steel Rectangular Bar: 0.3125 in Thick, +/-0.001 in, 4 in x 36 in Nominal Size (WxL), O
    
            
        
        Item: 799C53,
MFR: 19229_36_0,
Brand: GRAINGER APPROVED
        
| Material Grade | 4142 | 
| Shape | Rectangular Bar | 
| Thickness | 0.3125 in | 
| Thickness Tolerance | +/-0.001 in | 
| Overall Width | 4 in | 
| Overall Length | 36 in | 
| Fabrication | Hot Rolled | 
| Mechanical Finish | Mill | 
| Rockwell Hardness | B94 | 
| Brinell Hardness | 187 | 
| Yield Strength | Not Rated | 
| Heat Treatable | Yes | 
| Heat Treatment | Pre-Hardened | 
| Standards | ASTM A322 | 
