forged alloy steel o2 competitive price,good quality,one time delivery,excellent after-sales service dimension:15-500*50-1500

forged alloy steel o2

1) cold-working die steel with good hardness 2) good comprehensive mechanics performance 3) low-alloy tool steel

Standard	Chemical composition	C	Si	Mn	V	P	S
GB/T 1299-2000	%	0.85/ 0.95	≤0.40	1.70/ 2.00	0.10/ 0.25	≤ 0.030	≤ 0.030

Features :    

  1)  good hardenability and small deformation after quenching

2)  refining the crystal grain by adding appropriate niobium and reducing superheated susceptivity

3)  small carbide comparatively and its well distribution

Applications :

    For making all sorts of gauge, sample board, stamping die, trimming die, steel plate, circularsaw, piercing die

annealing	≤500°C ,   air cooling    ≤229HB
hot treatment  quench	780-820°C  oil cooling    ≥62HRC
backfire	150-200°C  air cooling    HRC:60-62

forged alloy steel O2