420 Stainless Steel Flat Bar

Description

This bar is extremely hard and holds its edge well, making it perfect for cutting tools and blades. It’s strong and can be treated to become even harder. It resists rust better than some types of steel, especially after polishing. It’s used in things like medical tools and industrial cutters where durability is key. It stays strong in temperatures from -50°F to 600°F.

Applications:

Medical/dental instrument blades
Hydraulic pump shafts
Mining equipment bushings
Durable firearm components
Knife blanks
Oil well pump seats
Injection molding dies

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Product Specification

Mechanical Properties

Property	Value
Tensile Strength	620-1300 MPa (90,000-188,000 psi)
Yield Strength	300-800 MPa (43,500-116,000 psi)
Elongation	8% in 2 inches (51 mm)
Hardness	Rockwell C55
Modulus of Elasticity	200 GPa (29,000 ksi)
Melting Point	1450 °C (2640 °F)

Chemistry Composition

Element	Percentage
Iron (Fe)	Balance
Chromium (Cr)	12.00 – 14.00
Carbon (C)	0.15 – 0.40
Manganese (Mn)	1.00 max
Silicon (Si)	1.00 max
Phosphorus (P)	0.040 max
Sulfur (S)	0.030 max