420 Stainless Steel Sheet
Equivalent Grade:1.2083/AISI420/SUS420J2/X40Cr14/4Cr13
Products Description
420 stainless steel sheet is mainly used in cutting tools, bearings, pipes and protective sleeves, springs, screws, pistons, kitchen knives, industrial knives for machines, carburetor needles, surgical and measuring instruments. Used in the chemical, petrochemical, food, and machine industries, 420 stainless steel sheet has sufficient corrosion resistance in the environment containing some organic acids, salts, water, alcohols, and liquid fuels.
Equivalent Grades & Similar Standards
| ISO | DIN | Russia | ||||
| X40Cr14 | ISO4957-2018 | 1.2083 | DIN4957-2018 | / | GOST5950-2000 | |
| USA | Japan | China | ||||
| AISI420 | ASTM A 681-2022 | SUS420J2 | JISG4404-2021 | 4Cr13 | GB1299-2000 | |
Chemical Composition
| C | Si | Mn | P | S | Cr | Ni | Mo | V |
| 0.36-0.42 | ≤1.00 | ≤1.00 | ≤0.030 | ≤0.030 | 12.50-14.50 | / | / | / |
PRODUCTION FLOW& TECHNICAL INDEX
| din 1.2083 aisi 420 Size Range | Round 80-500mm; Flat 80-600mmx300-1500mm |
| Smelting | EAF+LF+VD(or +ESR) |
| Production Process | Hot Forged+Annealing≤235HB (or +QT) |
| Heat Treatment | Forging at a temperature of 1100 - 800 ºC Softening annealing at a temperature of 750 - 850 ºC Hardening at a temperature of 900 - 1030ºC Tempering at a tempering of 530~600ºC |
| Forging Ratio | ≥6:1 |
| Surface | Machined |
| Non-metallic Inclusions | Acc. To ASTM E45 or finer A(Thin 1.0 Heavy 1.0); B(Thin 1.5 Heavy 1.0); C(Thin 1.0 Heavy 1.0); D((Thin 1.5 Heavy 1.0); |
| Grain Size | Acc. To ASTM E112≥ 5 or finer |
| UT | SEP1921-84 3 D/d or finer |
Product Picture
Under hardened conditions, 420 stainless steel sheet has good resistance to the atmosphere, certain wear resistance and corrosion resistance, and high hardness. It is suitable for various precision machinery, bearings, electrical, equipment, instruments, transportation vehicles, household appliances, as well as food utensils, stainless steel hospital equipment, etc.
Our factory
Steel Making
Ingot Production
Forged Bars
Machinary
ADVANTAGES
△Complete Production Line: Electric Power,Smelting,Forging,Heat Treatment,Machining, Physical&Chemical Test Center.
△Technology Innovation: Research with Chongqing University and Beijing Iron&Steel Research Institue;
△Full production process can be controlled from very primary stage smelting;
△Competitive Grades: 1.2344,1.2343,1.2083(aisi 420 ),1.2085,1.2379,1.2316,1.2360,1.2365,1.2367,1.2714,1.2767,S136,616,630,irregular forgings,etc;
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