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Stainless Steel 420F Square Bar

Stainless Steel 420F Square Bar Stainless Steel 420F Square Bar, recognized by its UNS S42020 designation, is a high-carbon martensitic stainless steel known for its excellent strength and hardness. The inclusion of sulfur in its composition enhances machinability, making it an ideal choice for precision machining applications. This variant of 420 stainless steel retains all the beneficial properties of its standard counterpart, with improved machinability as a significant advantage.

Ferrobend’s Stainless Steel 420F Square Bars are manufactured with precision, adhering to strict quality standards to ensure consistent performance. These bars offer excellent corrosion resistance in mild environments and can be heat-treated to achieve higher levels of strength and hardness. This makes them suitable for applications such as surgical instruments, cutlery, and tools that require high durability and precision.

The square shape of these bars provides uniform strength and stability, making them ideal for use in shafts, fasteners, and structural components. The material's enhanced machinability allows for easy fabrication into complex shapes and components, meeting the specific requirements of various engineering applications. The alloy’s ability to maintain high strength and hardness after heat treatment further enhances its suitability for demanding industrial tasks.

Choosing Ferrobend’s Stainless Steel 420F Square Bars guarantees a robust and reliable solution for your industrial needs. Our commitment to quality and customer satisfaction ensures that you receive materials that perform exceptionally well, reducing maintenance costs and downtime. With Ferrobend, you can trust that our stainless steel products will deliver long-lasting performance and reliability in the most challenging environments.


Sizes 3mm to 250mm and 1/8” to 12” in diameter
Length Up to 6.5 meters
Tolerances h7, h8, h9, h11, k12, k13
Surface Finish RA up to 0.2mm (8.7 RMS)
Straightness Up to 0.5mm per meter TIR
Grit Polish K240, K320 or as per customer’s requirement
Heat Treatment Solution treatment, annealing or cold drawn
Condition Peeled, cold drawn, turned and polished and centreless ground

Specifications

American ASTM A582/A582M UNS S30300
SAE 30300
AISI 303
UNS S30300
German Werkstoff Number 1.4305
X10CrNiS18-9
British BS970 Part 3 303S31
BS970 EN58M
Japanese JIS G4303 SUS 303
Australian AS 2837-1986-303
  • Grade Confirmation through PMI testing with Handheld Spectrometer.
  • Free from radioactive elements, mercury & lead contamination.

Stainless Steel 420F Square Bar Sizes In Stock

6mm Stainless Steel Square Bar 1/4″ Stainless Steel Square Bar
8mm Stainless Steel Square Bar 5/16″ Stainless Steel Square Bar
10mm Stainless Steel Square Bar 3/8″ Stainless Steel Square Bar
12mm Stainless Steel Square Bar 1/2″ Stainless Steel Square Bar
13mm Stainless Steel Square Bar 5/8″ Stainless Steel Square Bar
14mm Stainless Steel Square Bar 3/4″ Stainless Steel Square Bar
15mm Stainless Steel Square Bar 7/8″ Stainless Steel Square Bar
16mm Stainless Steel Square Bar 1″ Stainless Steel Square Bar
18mm Stainless Steel Square Bar 1 1/4″ Stainless Steel Square Bar
20mm Stainless Steel Square Bar 1 1/2″ Stainless Steel Square Bar
22mm Stainless Steel Square Bar 1 3/4″ Stainless Steel Square Bar
25mm Stainless Steel Square Bar 2” Stainless Steel Square Bar
30mm Stainless Steel Square Bar 4″ Stainless Steel Square Bar
35mm Stainless Steel Square Bar
40mm Stainless Steel Square Bar
45mm Stainless Steel Square Bar
50mm Stainless Steel Square Bar
60mm Stainless Steel Square Bar
70mm Stainless Steel Square Bar
75mm Stainless Steel Square Bar
80mm Stainless Steel Square Bar
90mm Stainless Steel Square Bar
100mm Stainless Steel Square Bar
120mm Stainless Steel Square Bar
150mm Stainless Steel Square Bar