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1.3243
Qilu
Product Description
DIN 17350 1.3243 Tool Steel-- High Speed Steel
1: DIN 1.3243 Steel Introduction
1.3243 steel is a tungsten-molybdenum series high-speed tool steel. It is a grade defined by the German standard DIN 17350. It features high red hardness, high wear resistance, and good toughness. 1.3243 steel is commonly used in the manufacture of various cutting tools, such as drill bits, milling cutters, taps, and broaches. This material is also suitable for producing wear-resistant parts that operate at high temperatures and require the retention of hardness. 1.3243 steel is typically supplied in a quenched and tempered condition to achieve the required hardness and comprehensive properties.
1.3243 Steel Stock in Warehouse
2: DIN 1.3243 Quality Standard
DIN 1.3243 steel according to DIN 17350.
3: DIN 1.3243 Steel Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Mo | V | W | Co |
| M35 | 0.82-0.95 | 0.20-0.45 | 0.15-0.40 | 0.030 Max | 0.030 Max | 3.80-4.50 | 4.75-5.25 | 1.75-2.15 | 5.50-6.50 | 4.60-5.00 |
| 1.3243 | 0.87-0.95 | 0.45 Max | 0.40 Max | 0.030 Max | 0.030 Max | 3.80-4.50 | 4.70-5.20 | 1.70-2.10 | 5.90-6.70 | 4.50-5.00 |
| SKH55 | 0.87-0.95 | 0.45 Max | 0.40 Max | 0.030 Max | 0.030 Max | 3.80-4.50 | 4.70-5.20 | 1.70-2.10 | 5.90-6.70 | 4.50-5.00 |
4: Mechanical Properties
Grade | H+T | Tensile strength | Yield strength | Elongation | Reduction | Impact Value | Hardness/HB |
| 1.3243 | +A | / | / | / | / | / | 170 |
1.3243 | +QT | 890 | 710 | 21 | 56 | 81/92/90 | 265/270/282 |
5: DIN 1.3243 Steel Equivalent
| Country | USA | German | Japan |
| Standard | ASTM A681 | DIN EN ISO 4957 | JIS G4403 |
| Grade | M35 | 1.3243 | SKH55 |
6: Goods available in China
If you want to purchase 1.3243 steel from China, for standard forms like round bars or flat bars, you can typically find them in stock. However, the stock quantity and specification range may be limited, as domestic consumption is often met by the more common high-speed steel grade W6Mo5Cr4V2 (M2). If you can accept M2 material as a substitute for 1.3243, it can significantly improve availability and reduce cost.
