a specialised supplier of a entire range of chains, sprockets, gears, gear racks, V-belts, couplings and reducers. EPG has been effectively certified by ISO9002 Top quality Administration Program, ISO9001 High quality Management Technique, API certificate, ISO/TS16949:2002 and ISO10012 measurement management system. It has proven stable cooperation with numerous nicely recognized universities and institutes in china these kinds of as, Zhejiang University, Jilin College, Technological committee of nationwide chain generate normal, Institute of nationwide chain push, Zhejiang software engineering materials institute, Huhan material safety institute and it cooperated to found China First Auto chain institute with Countrywide chain push institute. 7049 aluminium forgings cast merchandise areas are EPTTly used to manufacture elements with the exact same static strength as 7079-T6 alloy and large stress corrosion cracking resistance, this sort of as lXiHu (West EPT) Dis.Hu (West EPT) Dis. EPT box, EPT cylinEPTTand extrusion components of aircraft and missile components. The fatigue property of the areas is approXiHu (West EPT) Dis.mately the same as that of 7075 T6 alloy, but the willfulness is a bit larger.
The EPTT states of 7049 aluminium forgings cast merchandise elements are F, T6, T652, T73 and T7352.
On the basis of 7001 alloy, the content of alloying factors Cu and Cr is diminished, the ratio of Zn/Mg is improved, and the articles of impurities Fe and Si is decreased. It is primarily used to create forgings and backlogs in T73 condition, as nicely as thick and thin plates. The tension corrosion crack growth price of 7075 T6 alloy is a lot decrease than that of 7075 T651 alloy.
7049 EPTT EPTT Composition | |||||||||||||
Alloy | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | Ti | Zr | Other individuals | Al | |
One | Whole | ||||||||||||
7049 | .25 | .35 | 1.2~one.9 | .twenty | two.~two.nine | .10~.22 | ~ | 7.two~eight.2 | .ten | ~ | .05 | .15 | Rest |
Alloy temper | Main characteristics | Major products and standing | Application elements and normal parts |
7049 | The alloy for the goal of changing 7079 has higher toughness, good SCC resistance and bad corrosion resistance. | T73,T7352,T6,T652 | EPTT primary lXiHu (West EPT) Dis.Hu (West EPT) Dis. EPT, missile accessories. |
Kind | Alloy | Projected spot(m2)or bodyweight(kg) | Mood | StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd |
EPTT totally free forgings | 5 Series | le3000kg | O,F | GBn223 ASTMB247 |
2,six,7 Sequence | le3000kg | T6,T4,O,F | ||
EPTT die forgings | 5 Collection | le2.5m2 | O,F | |
2,6,seven Collection | le2.5m2 | T6,T4,O,F |