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HS6-5-2-5 / 1.3243 High Speed Steel

Name: HS6-5-2-5 / 1.3243 High Speed Steel
Brand: Aspersteel
SKU: 3732
Availability: InStock
Rating: 5 (1 reviews)

Steel round bar

Steel circle delivery form 1.3243 / P6M5K5 Steel circles Steel grades Dimensions supplied (mm) Steel circle 1.3243 / P6М5К5 3-200 Steel Round 1.3243 / R6M5K5 / HS6-5-2-5 Material Description Steel round 1.3243 (R6M5K5 / HS6-5-2-5) is a high-speed tool steel characterized by increased hardness, wear resistance, and thermal stability. Due to the presence of cobalt, […]

Description

Steel circle delivery form 1.3243 / P6M5K5

Steel circles
Steel grades	Dimensions supplied (mm)
Steel circle 1.3243 / P6М5К5	3-200

Steel Round 1.3243 / R6M5K5 / HS6-5-2-5

Material Description

Steel round 1.3243 (R6M5K5 / HS6-5-2-5) is a high-speed tool steel characterized by increased hardness, wear resistance, and thermal stability. Due to the presence of cobalt, this alloy has enhanced heat resistance and retains its mechanical properties at high temperatures.

Chemical Composition

Element	Content (%)
Carbon (C)	0.85-0.95
Silicon (Si)	0.20-0.45
Manganese (Mn)	0.15-0.40
Chromium (Cr)	3.80-4.50
Tungsten (W)	5.50-6.50
Molybdenum (Mo)	4.50-5.50
Vanadium (V)	1.70-2.10
Cobalt (Co)	4.50-5.00
Phosphorus (P)	≤ 0.03
Sulfur (S)	≤ 0.03

Mechanical Properties

Parameter	Value
Hardness after Hardening	64-67 HRC
Tensile Strength	2000-2500 MPa
Heat Resistance	Up to 620°C
Wear Resistance	High

Key Advantages

High hardness and wear resistance – ensures durability and resistance to intense loads.
Heat resistance – retains mechanical properties at high temperatures.
Increased impact toughness – withstands shock loads effectively.
Excellent hardenability – uniform hardness distribution throughout the cross-section.

Main Applications

Industry	Examples of Use
Tool Manufacturing	Cutting tools, drills, milling cutters
Metalworking	Molds, dies, blades
Aerospace Engineering	High-wear-resistant components
Energy Sector	High-temperature components