Stainless steel 1.4021 / AISI 420
Rustfrit steel
Rostfrit steel
| W.Nr. 1.4021 | BS 420S37 | SIS 2303 |
| AISI 420 | AFNOR Z20C13 | JIS SUS410J1 |
| X20Cr13 | DIN 17740 1.4021 |
C 0,16 - 0,25 Cr 12,00 - 14,00
1.4021 is used in the quenched and tempered condition in a host of constructional and fastener applications where moderate corrosion resistance is required. The knife blade variant of 1.4021 can be polished to high gloss finishes. Optimal corrosion resistance is also attained when the surface is finely ground or polished.
Stock range
1.4021 - AISI 420 round bar brightdrawn / ground tol. h9 acc. to DIN EN 10278 (formerly DIN 671) in lengths of 3 mtr.
Sizes:
| Ø 4,00 mm | Ø 12,00 mm | Ø 20,00 mm | Ø 28,00 mm | Ø 42,00 mm | Ø 65,00 mm |
| Ø 5,00 mm | Ø 13,00 mm | Ø 21,00 mm | Ø 30,00 mm | Ø 44,00 mm | Ø 70,00 mm |
| Ø 6,00 mm | Ø 14,00 mm | Ø 22,00 mm | Ø 32,00 mm | Ø 45,00 mm | Ø 75,00 mm |
Ø 7,00 mm | Ø 15,00 mm | Ø 23,00 mm | Ø 34,00 mm | Ø 46,00 mm | Ø 80,00 mm |
| Ø 8,00 mm | Ø 16,00 mm | Ø 24,00 mm | Ø 35,00 mm | Ø 48,00 mm | Ø 85,00 mm |
| Ø 9,00 mm | Ø 17,00 mm | Ø 25,00 mm | Ø 36,00 mm | Ø 50,00 mm | Ø 90,00 mm |
| Ø 10,00 mm | Ø 18,00 mm | Ø 26,00 mm | Ø 38,00 mm | Ø 55,00 mm | Ø 95,00 mm |
| Ø 11,00 mm | Ø 19,00 mm | Ø 27,00 mm | Ø 40,00 mm | Ø 60,00 mm | Ø 100,00 mm |
1.4021 - AISI 420 round bar ground tol. f8 acc. to DIN EN 10278 in lengths of 3 mtr.
Sizes:
| Ø 12,00 mm | Ø 20,00 mm | Ø 50,00 mm |
| Ø 14,00 mm | Ø 25,00 mm | |
| Ø 16,00 mm | Ø 32,00 mm |
1.4021 - AISI 420 round bar hotrolled / forged, peeled / turned acc. DIN EN 10060 ( formerly DIN 1013 ), long 4-6 mtr.
Sizes:
| Ø 20,00 mm | Ø 38,00 mm | Ø 75,00 mm | Ø 140,00 mm | Ø 230,00 mm | Ø 340,00 mm | Ø 500,00 mm |
| Ø 21,00 mm | Ø 40,00 mm | Ø 80,00 mm | Ø 145,00 mm | Ø 240,00 mm | Ø 350,00 mm | Ø 505,00 mm |
| Ø 22,00 mm | Ø 42,00 mm | Ø 85,00 mm | Ø 150,00 mm | Ø 250,00 mm | Ø 360,00 mm | Ø 525,00 mm |
Ø 24,00 mm | Ø 45,00 mm | Ø 90,00 mm | Ø 160,00 mm | Ø 260,00 mm | Ø 370,00 mm | Ø 550,00 mm |
| Ø 25,00 mm | Ø 46,00 mm | Ø 95,00 mm | Ø 165,00 mm | Ø 270,00 mm | Ø 375,00 mm | Ø 555,00 mm |
Ø 26,00 mm | Ø 48,00 mm | Ø 100,00 mm | Ø 170,00 mm | Ø 280,00 mm | Ø 380,00 mm | |
| Ø 28,00 mm | Ø 50,00 mm | Ø 105,00 mm | Ø 175,00 mm | Ø 290,00 mm | Ø 390,00 mm | |
| Ø 30,00 mm | Ø 52,00 mm | Ø 110,00 mm | Ø 180,00 mm | Ø 300,00 mm | Ø 395,00 mm | |
| Ø 32,00 mm | Ø 55,00 mm | Ø 115,00 mm | Ø 190,00 mm | Ø 310,00 mm | Ø 400,00 mm | |
| Ø 34,00 mm | Ø 60,00 mm | Ø 120,00 mm | Ø 200,00 mm | Ø 320,00 mm | Ø 425,00 mm | |
| Ø 35,00 mm | Ø 65,00 mm | Ø 125,00 mm | Ø 210,00 mm | Ø 325,00 mm | Ø 450,00 mm | |
| Ø 36,00 mm | Ø 70,00 mm | Ø 130,00 mm | Ø 220,00 mm | Ø 330,00 mm | Ø 475,00 mm |
Above Ø 555,00 mm up to Ø 1010 mm sizes from stock available.
1.4021 - AISI 420 Forgings
Forgings acc. to drawings, bars, discs and rings on request.
1.4021 - AISI 420 Blocks / flat, sawn from forged primematerial
Sizes on request.
1.4021 - AISI 420 Sheets/Plates coldrolled finish 2b / hotrolled finish 1
Sizes: 1000 x 2000 mm / 1250 x 2000 mm / 1250 x 2500 mm
Thickness:
| 3,00 mm | 4,50 mm | 8,00 mm |
| 3,50 mm | 5,00 mm | |
| 4,00 mm | 6,00 mm |
Certificates: EN 10204 / 3.1
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