There is also a 12% chrome alloy steel that goes by the names AISI D3 cold work steel, 1.2080 steel, and JIS SKD1. D3 cold work steel has a very high wear resistance against abrasive and adhesive wear, medium toughness, dimensional stability, and high compressive strength, but it cannot be secondarily hardened due to the huge volume of hard carbides in the steel matrix. Type AISI D3 cold works tool steel is oil-quenched, while some portions may be gas-quenched following vacuum austenitization. Because of this, type D3 cold work tool steel has the propensity to become brittle throughout the hardening process. Type D2 tool steel is the most widely used group D steel. The D3 cold work steels include 1.5 to 2.35% carbon and 12% chromium.
1.2080 steel is a high carbon, high chromium alloy tool steel with remarkable resistance to abrasion and wear. Dimensional stability, excellent tempering resistance, and good thorough hardening characteristics are all present in the 1.2080 X 210Cr12 alloy.
1.2080 steel is a high carbon/chromium tool steel with very high wear resistance. With a tiny size change, it gets tougher. The alloy has a very high compressive strength and undergoes deep hardening.
Intricate blanking and forming tools for large batches of hard and abrasive materials are suitable applications for 1.2080 steel. Other typical uses include liners for brick and tile molds, sleeves for corrosive powders, master hobs for cold-hobbing plastic molds, and tableting punches.
Cold work steels O1 and D2 are both useful to make cutting tools. It is possible to sharpen D2 more.
Typical tool steel belonging to the ledeburitic 12% chromium steel is 1.2080.
Tool steels typically include between 0.7 and 1.5 weight percent carbon.
Product Overviews
Specification :
| Size | round | Dia 15mm~500mm |
| flat | Thickness 10mm-400mm | |
| Width 60mm-810mm | ||
| Technique | Cold Drawn/Cold Pilfered/Cold Rolled/Hot Rolled/forge- | |
| Process | EAF+LF+VD+ESR+Forged/Hot rolled + Heat Treatment (Annealed, Normalized, Q+T) | |
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface Condition | Black surface ; Grinded ; Machined/Turned | |
| Inspection | 100% Ultrasonic according to the test standards: SEP1921-84,CLASS C/c or D/d | |
| Payment Terms | T/T; L/C | |
| Trade Terms | FOB, CIF,CFR | |
| Packing | Standard seaworthy packing or as the customer required | |
Equivalent Grades :
| GB | DIN | ASTM | JIS |
| Cr12 | 1.2080 | D3 | SKD1 |
Chemical Composition
| Standard | Steel Grade | C | Si | Mn | P | S | Cr | V | W | other |
| DIN | 1.2080 | 1.9-2.2 | 0.1-0.4 | 0.15-0.45 | ≤0.03 | ≤0.03 | 11.00-13.00 |
Heat treatment
| Hardness | 59-63HRC | – |
| Anneal | 830-870°C | ≤255HB |
| Quenching | 950-980°C | Air or oil cooling |
| Tempering | 180-200°C | 60-62HRC, tempering once |
| – It is annealed before ex-factory, which ensures good metallographic structure, proper hardness and good workability. There is no need to anneal again. | ||
| – But It must be re-annealed if reforged, as the original organization and performance are destroyed after reforged, and the forging stress increased. | ||
| – Normally it will be annealed twice and the temperature of the second annealed is 20°C lower than the first one. | ||
The features
Applications
It Highly stressed cutting and punching tools for thin sheets, profile rolls, drawing and deep drawing tools, stone processing tools, knives for paper and plastics, and shear knives for thin sheets.
Main Product list
|
STEEL TYPE |
Production list | ||||
| ASTM | DIN | BOHLER | JIS | GOST | |
| HOT WORK TOOL STEEL | H13 | 1.2344 | w302 | SKD61 | 4Х5МФ1С |
| H11 | 1.2343 | w300 | SKD6 | 4Х5МФС | |
| H10 | 1.2365 | w320 | / | 3X3M3Ф | |
| H21 | 1.2581 | / | SKD5 | 3X2B8Ф | |
| / | 1.2367 | / | / | / | |
| COLD WORK TOOL STEEL | D2 | 1.2379 | K110 | SKD11 | / |
| D3 | 1.2080 | K100 | SKD1 | Х12 | |
| / | 1.2601 | K105 | SKD11 | Х12МФ | |
| O1 | 1.2510 | K460 | SKS3 | 9ХВГ | |
| O2 | 1.2842 | K720 | / | / | |
| A2 | 1.2363 | K305 | SKD12 | / | |
| A8 | / | / | / | ||
| D6 | 1.2436 | K107 | / | / | |
| / | / | / | DC53 | / | |
| S7 | 1.2357 | / | / | / | |
| L2 | 1.2210 | / | / | / | |
| 1.2767 | K600 | SKT6 | |||
| PLASTIC MOLD STEEL | 420 | 1.2083 | / | SUS420J2 | |
| 1.2085 | / | ||||
| / | 1.2316 | / | / | ||
| BEARING STEEL | 52100 | 1.3505 | / | SUJ2 | ШХ15 |
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