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AISI 420 Stainless Steel Plate SUS420 1.4021

AISI 420 Stainless Steel Plate SUS420 1.4021

420 stainless steel plate/sheet is a high-carbon martensitic stainless steel known for its excellent hardness, good corrosion resistance, and high wear resistance. It can be hardened through heat treatment, which significantly enhances its mechanical properties.

GB/T ISO ASTM TOCT DIN JIS

420 Stainless Steel Plate/Sheet Details

Overview

420 stainless steel plate/sheet is a high-carbon martensitic stainless steel known for its excellent hardness, good corrosion resistance, and high wear resistance. It can be hardened through heat treatment, which significantly enhances its mechanical properties. This grade is commonly used in applications that require high strength and wear resistance.

Key Characteristics

High Hardness and Strength: Can be heat treated to achieve high hardness and strength, making it ideal for applications requiring wear resistance.

Good Corrosion Resistance: Offers good corrosion resistance in mild environments, including fresh water, steam, and mild acids.

Wear Resistance: Provides excellent wear resistance due to its high hardness.

Heat Treatability: Can be hardened through heat treatment to enhance its mechanical properties.

Magnetic Properties: Exhibits magnetic properties in both the annealed and hardened conditions.

Chemical Composition

Carbon (C): 0.15-0.40%

Manganese (Mn): ≤ 1.00%

Silicon (Si): ≤ 1.00%

Phosphorus (P): ≤ 0.040%

Sulfur (S): ≤ 0.03%

Chromium (Cr): 12.0-14.0%

Common Applications

Cutlery and Surgical Instruments: Widely used in manufacturing cutlery, surgical instruments, and dental tools due to its high hardness and corrosion resistance.

Industrial Blades and Tools: Suitable for industrial blades, knives, and cutting tools that require high wear resistance.

Valves and Pump Parts: Used in valves, pump parts, and shafts that need good mechanical strength and moderate corrosion resistance.

Fasteners: Employed in manufacturing fasteners, bolts, and screws where high strength and wear resistance are essential.

Mold and Die Making: Ideal for molds, dies, and tooling components that require high hardness and resistance to wear.

Advantages

Excellent Hardness and Strength: Can be heat treated to achieve very high hardness and strength, making it suitable for wear-resistant applications.

Good Corrosion Resistance: Provides good resistance to corrosion in mild environments, enhancing its durability.

High Wear Resistance: Offers superior wear resistance due to its high hardness.

Versatile Heat Treatment: Can be easily hardened through heat treatment to achieve desired mechanical properties.

Magnetic Properties: Magnetic in both annealed and hardened conditions, useful for certain applications.

Summary

420 stainless steel plate/sheet is a versatile and high-performance material designed for applications requiring high hardness, strength, and wear resistance. Its ability to be hardened through heat treatment makes it suitable for cutlery, surgical instruments, industrial blades, and other applications demanding durability and corrosion resistance. The combination of excellent mechanical properties and good corrosion resistance makes it a preferred choice in various industries.

For more detailed information or specific inquiries about 420 stainless steel plate/sheet, please contact us.

Common Surfaces

Common Surfaces

Stainless Steel Standards Comparison Table

STS USA UNS CHINA EURONORM RUSSIA SWEDISH JAPANESE
GRADE AISI/ASTM NO GB NO NAME GOST SS JIS
201 201 S20100 12Cr17Mn6Ni5N 1.4372 - - - SUS 201
301 301 S30100 12Cr17Ni7 1.4310 X 12 CrNi 17 7 - 2331 SUS 301
303 303 S30300 1Cr18Ni9MoZr 1.4305 X 10 CrNiS 18 9 - 2346 SUS 303
304 304 S30400 06Cr18Ni9 1.4301 X 6 CrNi 18 10 08KH18N10
06KH18N11
2332 SUS 304
304L 304L S30403 022Cr19Ni10 1.4307 X 3 CrNi 18 10 03KH18N11 2352 SUS 304L
316 316 S31600 0Cr17Ni12Mo2 1.4401 X 6 CrNiMo 17 12 2 - 2347 SUS 316
316L 316L S31603 022Cr17Ni12Mo2 1.4404 X 3 CrNiMo 17 12 2 - 2348 SUS 316L
316Ti 316Ti S31635 0Cr18Ni12Mo2Ti 1.4571 X 6 CrNiMoTi 17 12 2 08KH17N13M2T
10KH17N13M2T
2350 -
321 321 S32100 0Cr18Ni11Ti 1.4541/1.4878 X 6 CrNiTi 18 10 12KH18N10T 2337 SUS 321
347 347 S34709 0Cr18Ni11Nb 1.4550 X 6 CrNiNb 18 10 - 2338 SUS 347
309S 309S S30908 0Cr23N13 1.4833 X 6 CrNi 22 13 20KH23N18 - SUS 309S
310S 310S S31008 06Cr25Ni20 1.4842 X 6 CrNi 25 20 20KH25N20S2 2361 SUS 310S
416 416 S41600 Y1Cr13 1.4005 X12CrS13 - 2380 SUS 416
2205 2205 S32205/S31803 00Cr22Ni5Mo3N 1.4462 X2CrNiMoN22-5-3 02Ch22N5AM2 2377 SUS 329J3L
2507 2507 S32750 00Cr25Ni7Mo4N 1.4410 X 2 CrNiMoN 25-7-4 - - -
904L 904L N08904 - 1.4539 - - - -
254SMO 254SMO S31254 - 1.4547 X1CrNiMoCuN20-18-7 - 2378 -
253MA 253MA S30815 - 1.4835 X9CrNiSiNCe21-11-2 - 2368 -
17-4PH/630 17-4PH/630 S17400 0Cr17Ni4Cu4Nb 1.4542 X5CrNiCuNb16-4 05Ch16N4D2B - SUS630

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