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Stainless Steel 420F Plates

Stainless Steel 420F Plates Stainless Steel 420F Plates, recognized by their UNS S42020 designation, are renowned for their high strength, hardness, and exceptional machinability. This high-carbon martensitic stainless steel is enhanced with sulfur to significantly improve its machinability, making it ideal for precision machining applications. The 420F variant retains the beneficial properties of standard 420 stainless steel, such as excellent corrosion resistance in mild environments, combined with improved machinability.

Ferrobend’s Stainless Steel 420F Plates are manufactured with meticulous precision to meet stringent quality standards. These plates can be heat-treated to achieve higher levels of strength and hardness, making them suitable for a variety of demanding applications. Their excellent corrosion resistance and ability to withstand high wear make them ideal for use in cutlery, surgical instruments, and other tools that require high durability and precision.

The flat shape of these plates provides uniform strength and stability, making them perfect for use in structural applications, machinery parts, and fasteners. The alloy's enhanced machinability allows for easy fabrication into complex shapes and components, meeting the specific requirements of various engineering applications. The ability of Stainless Steel 420F to maintain high strength and hardness after heat treatment further enhances its suitability for demanding industrial tasks.

Choosing Ferrobend’s Stainless Steel 420F Plates 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 Plates Sizes In Stock

Weights (Kg/Piece)
Plate Size, L x B (mm)
Thickness (mm) 500 x 500 1000 x 1000 1000 x 2000 1000 x 2500 1000 x 3000 1250 x 2000 1250 x 2500 1250 x 3000 1500 x 1000 1500 x 2000 1500 x 2500 1500 x 3000 1500 x 6000
5 10 40 80 100 120 100 125 150 60 120 150 180 360
6 12 48 96 120 144 120 150 180 72 144 180 216 432
8 16 64 128 160 192 160 200 240 96 192 240 288 576
10 20 80 160 200 240 200 250 300 120 240 300 360 720
12 24 96 192 240 288 240 300 360 144 288 360 432 864
14 28 112 224 280 336 280 350 420 168 336 420 504 1008
16 32 128 256 320 384 320 400 480 192 384 480 576 1152
19 38 152 304 380 456 380 475 570 228 456 570 684 1368
20 40 160 320 400 480 400 500 600 240 480 600 720 1440
22 44 176 352 440 528 440 550 660 264 528 660 792 1584
24 48 192 384 480 576 480 600 720 288 576 720 864 1728
25 50 200 400 500 600 500 625 750 300 600 750 900 1800
27 54 216 432 540 648 540 675 810 324 648 810 972 1944
30 60 240 480 600 720 600 750 900 360 720 900 1080 2160
32 64 256 512 640 768 640 800 960 384 768 960 1152 2304
35 70 280 560 700 840 700 875 1050 420 840 1050 1260 2520
38 76 304 608 760 912 760 950 1140 456 912 1140 1368 2736
40 80 320 640 800 960 800 1000 1200 480 960 1200 1440 2880
42 84 336 672 840 1008 840 1050 1260 504 1008 1260 1512 3024
45 90 360 720 900 1080 900 1125 1350 540 1080 1350 1620 3240
50 100 400 800 1000 1200 1000 1250 1500 600 1200 1500 1800 3600