Specification:Φ65~Φ430 
	Precision Forging Round Bar
	
		
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							| STEEL GRADE/TYPE | GB | W2Mo9Cr4V2Co8 |  
							| JIS | SKH59 |  
							| ASTM | M42 |  
							| DIN | S6-5-2-5  1.3247 |  
							| Other Comp. | Bohler S500 ERASTEEL EM42
 HITACHI YXM42
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							| Chemical    composition % | C | 1.05-1.15 |  
							| W | 1.15-1.85 |  
							| Mo | 9.00-10.00 |  
							| Cr | 3.50-4.25 |  
							| V | 0.95-1.35 |  
							| Co | 7.75-8.75 |  
							| Ni | - |  
							| Mn | 0.15-0.40 |  
							| Si | 0.15-0.65 |  
							| P≤ | 0.030 |  
							| S≤ | 0.020 |  
							| Application | M42 high speed steel is generally applied to high complex    cutting tool, such as, broach, gear hob cutter and a variety of tap drill    bit, saw blade and efficient woodworking tools,pump vane etc. |  |  
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