20khm - 24CrMo5 - 1.7258 - 20hm pipe, round, rod
International Equivalent
| Mark | Analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| ~~20ХМ | 1.7258 | 24CrMo5 | Delivery from the stock, in stock |
To by pipe, round, rod of steel 20KHM, 24CrMo5, 1.7258, 20 nm according to the manufacturer, the company offers Electrocentury-steel. The provider sells products in the desired range of cross-sections, and ensures timely delivery to the required address.
Chemical properties
Alloy structural steel steel grade 20KHM, with a high content of molybdenum and chromium, is manufactured metallurgical enterprises of Russia and CIS countries according to the technical requirements of GOST 4543. Steel has the following composition:
| Item | Carbon | Silicon | Manganese | Chrome | Molybdenum |
|---|---|---|---|---|---|
| The content in steel, % | 0,15…0,25 | 0,17…0,37 | 0,40…0,70 | 0,80 1,10… | 0,15…0,25 |
Limit the content of metallurgical impurities — sulfur and phosphorus — limited to 0.025% of each of the elements.
Foreign analogues of this steel are brand 24CrMo5 (1.7258), which are manufactured in Europe in accordance with the requirements of standards EN 10028−2 or DIN 17755.
In Poland, a similar steel produced under the brand name 20 nm, and its composition does not differ from 20KHM. The chemical composition of steel 24CrMo5 1.7258 and is reproduced below:
| Item | Carbon | Silicon | Manganese | Chrome | Molybdenum | Nickel |
|---|---|---|---|---|---|---|
| The content in steel, % | 0,20 0,28… | To 0.40 | 0,50…0,80 | 0,90 1,20… | 0,20…0,35 | To 0.60 |
Quantitative restriction on the impurities — phosphorus and sulfur — is to 0.035%.
The company Electrocentury-steel offers to buy pipe, round, rod of alloyed structural steel grades 20KHM, 24CrMo5, 1.7258, 20 nm at the price from the manufacturer. The provider provides the implementation of assortment delivery and prompt transportation of the rental to the address specified by the customer.
Properties and applications
Considered became characterized by a high percentage of chromium and molybdenum, which determines the increased performance in terms of heat resistance of parts made from these steels. Steel characterized by high ductility (the limit deformation degree is 85%), well-processed by cutting, capable of effective heat treatment in different modes. Steel used in the aviation and transport machine building, in the manufacture of mechanical gears, etc.
Main physico-mechanical parameters of bulk rolled steel 20KHM, 24CrMo5, 1.7258, 20 hm:
- Tensile strength, MPa 590;
- Yield stress, MPa 440;
- Elongation % — 18;
- The relative narrowing, % — 50;
- Impact strength, kJ/m2 — 900.
To by pipe, rod, round structural steels grades 20KHM, 24CrMo5, 1.7258, 20 hm with a high content of chromium and manganese is found in Electrocentury-steel. The price is from the manufacturer. The provider ensures strict compliance with product delivery, and ensures timely delivery of products to consumers.
