Alloy Tool Steel AISI 4340 Flat Steel Bar

1. Related Steel Grade:1.6511/40CrNiMoA/45CrNiMoVA/SNCM439/4340/36CrNiMo4/40NCD3/816M40 steel  

Rich in power resources and strong technical force, so that our special steel products have the absolute price advantage and technological superiority. 

2. Size:
Round Bar: Dia 5mm to 600mm
Square Bar: Dia 5mm to 600mm
Flat/Plate: Thickness: 5mm to 600mm
Width: 100mm to 1200mm
Length: 3m and up or according to client's requirements.

Forging: Step Shaft/Tube/Pie-shaped/Ring/Module/Large valves of the main/Other Profiled Forgings
 
3. Delivery Condition: Hot Forged/Hot rolled + Annealing/Normalizing/Tempering/Quenching and tempering/Solution/Aging/Slow Cooling

4. Surface Quality: Black Surface/Grinding Surface/Roughing/Finish Machining

5. Smelting Process: EAF+LF+VD(+ESR)

6. Ultrasonic Test: According to the customer's technical standards to ensure pass the ultrasonic flaw detection.

7. Chemical Composition:

8. Specially: high strength, high toughness, good quench-hardening ability

9. Use: Used for manufacturing fear wheels of automobiles and tractors, teeth wheel drills used for petrol drilling, high level quenching and tempering rims on the automobiles.