Payment & Shipping Terms:
|Surface Treatment:||Black Surface||Standard:||ASTM,DIN, JIS, GB|
hardened steel block,
tool steel block
1.6523/SAE8620/20CrNiMo Mechanical Steel Round Bar with diameter 22-200mm
1) Demand has high yield strength, tensile strength and fatigue strength, there has enough plasticity
2) Demanding by refining outside the furnace, vacuum electroslag remelting or processing, or double vacuum smelting, vacuum induction furnace smelting suitable heat treatment;
3) Corrosion resistant steel, heat-resistant steel, wear-resistant steel, magnetic steel, and other
special physical and chemical properties of the steel;
1) Zinc, aluminum, magnesium and other alloy die-casting molds;
2) Heat dies and all kinds of hot forged molds;
3) Metal extrusion die holder;
3. Ready Stock:
Round bar dia20-100mm black surface and hot rolled deliver condition.
4. Heat Treatment
1) Preheating 2-4 hours in 500-600°C
2) Keeping temperature for 2 hours in 850-880°C
3) Oil cooling to reach 50-100°C
4) After quenching can reach a hardness of 50-52HRC, then tempered at 200°C
then hardness can reach above 48 HRC
1) EAF:Electric Furnace+LF+VD (Optional)
2) ESR:Electric Furnace+LF+VD+Eleroslag Remelted (Optional)
Packed with plastic film, seaworthing packing, others according to customers' requirements
For abundant stock, 15-20 days.
For customized products, 30-50 days.
8. Payment term: T/T or L/C
All the sizes as require can be customerized as fresh production with MOQ,products of required specifications can be developed/produced per international, chinese or industry standards, or based on agreements with customers.
Strict Quality Control
Contact Person: Echo