NICKEL ALLOY INDUSTRY

420F Y30Cr13 S42020, 420F 1.4029 X30CrS13

Free cutting steel ,stainless steel,Martensitic Stainless Steel

Shape:Bar, wire rod,wire,tube, strip, plate, sheet

Diameter:1.0mm-200mm

Delivery condition:Hot Rolled,Annealed,Solution,Solution&Aged,Hardened&Tempered

Length of bar:1000-12000mm

Bundle Weight:20kgs-2500kgs

Packing:as per customer’s requirement

Products

Products DETAILS

420F Y30Cr13 S42020, 420F 1.4029 X30CrS13

420F Y30Cr13 S42020, 420F 1.4029 X30CrS13

Type 420F stainless steel is chromium, general-purpose steel, which can be heat treated. Due to the addition of sulfur in its composition, it provides greatly improved machinability.

Annealed, it offers good ductility. It renders excellent resistance to corrosion in the hardened condition.

 

It is similar to type 420, but stainless-steel type 420F is preferred in applications where good machining properties are required due to complex geometries, such as dental equipment, surgical equipment.

Common Names:

Stainless steel type 420F is commonly known as Chromium steel.

 

Executive Standards/Grades:

ASTM: A895

UNS: S42020

DIN: 1.4028

AISI: 420F

AMS: 5620

 

Chemical Properties:

Type 420F stainless steel has the following chemical composition:

Carbon – 0.15%

Manganese – 1.00%

Chromium – 13%

Sulphur – 0.15%

Phosphorus – 0.040%

Silicon – 1.00%

Molybdenum – 0.60%

Iron – 84%

 

Mechanical Properties:

Hardness (HRC) – 18

Elongation (%) – 22

Yield Strength (Mpa) – 380

Elastic Modulus (Gpa) – 210

Tensile Strength (Mpa) – 655

Poisson’s Ratio – 0.27-0.30

 

Physical Properties:

Density (x1000 kg/cm3) – 7.8

Thermal Conductivity (BTU in/hr.ft².°F) – 174

Specific Heat (Btu/lb/°F – [32-212 °F]) – 0.11

Electrical Resistivity (microhm-cm, at 68 oF) – 330

Thermal expansion (µin/in°F) – 5.72

Melting Point – 2650 °F

 

Key Features:

Excellent machinability properties, due to added sulfur.

Similar to type 420, but with free machining properties

Provides excellent resistance to corrosion when hardened

Can withstand heat treatment

Annealed, it provides good ductility

Not usually welded, due to hardening properties

Only minor cold work operations can be performed because it risks cracking

 

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