521 Hot-working die steelChemical composition
| C% | Si% | Mn% | Cr% | Mo% | V% | P,S% | Other |
| 0.40 | 1.0 | 0.37 | 5.1 | 1.2 | 1.0 | ≤0.030 | Some |
CharacteristicH13 is a hot steel introduce from America, there is the first spread to market by Daye Special Steel Co., Ltd in China, the H13 (4Cr5MoSiV1) is comfirm by the client no matter internal or international fully because of it improve and majorization continuous and it's named "521" for steel grades.
521 is a upgrade production of H13 (ESR), there have high market share and brand awareness in internal, it have good mechanical properties: it have good hardness, high toughness and wear in the high temperature, it also have high stability for tempering.
Main applicationIt can use for making hot extrusion and casting mold by copper, aluminum and the other alloy, it also can use for making forging mold for large impact load.
As-supplied state Forging, Rolling, Annealing, HB≤235
Round, Square, Flat, Module, Stepped shaft and pie
Grades SeriesH13(),SuperH13(),Super521().
H13 (EAF), SuperH13 (EAF), Super521(ESR) and so on.
Heat treatment process recommendedHardening: Preheat temperature 550
ºC, 850
ºC, hardening temperature, hardening hardness HRC57-60, Quenchant oil and air.
Tempering: tempering temperature, second tempering, tempering hardness.
YuFengSen Special Steel Co is an ISO9001 Certified company, located in Foshan, Guangdong since 2009. We have positioned ourselves as a leading manufacturer, wholeseller and exporter of a comprehensive range of steel products. We installed advanced equipments and hired a team of skilled professionals, which can ensure the steels we produce are of high quality.
The range of products comprises die steel, Hot-working die steel, forged pieces, YuFengSen SKD61 (H13ESR), Daye 521 and so on. In addition to this, we also meet the demands of spare parts like in LM-guide, ballscrew, location module, and shaft. We also provide the other services, such as steel cutting, steel metallurgical testing, forged processing, ballscrew and LM-guide processing.
Based on mutual benefit, YuFengSen steel are hot selling to America, India, Middle East and Europe. We stick to "credit, service and quality" strategy. We have received huge appreciation from our clients for our quality products, and we are committed to ensure optimum customer satisfaction. We are looking forward to build long term partnership with you!
