GOST XH77TЮ(ЭИ437A)
2014-03-03 17:24:40 Print this pageThe high quality Russia GOST XH77TЮ(ЭИ437A) material is one of the more steel grades we supply, Russia GOCT standard deformation of high temperature alloy grades and chemical composition. XH77TЮ(ЭИ437A) is our main production grade, which has been approved by customers in many countries since its initial production, including our XH77TЮ(ЭИ437A) round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of XH77TЮ(ЭИ437A) materials, and we are willing to develop together with customers from all over the world.
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Chemical composition (wt.%) of XH77TЮ(ЭИ437A)
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.06 |
| Si | - | 0.60 |
| Mn | - | 0.40 |
| P | - | 0.015 |
| S | - | 0.007 |
| Cr | 19.00 | 22.00 |
| Ni | - | remaining |
| Mo | - | - |
| Al | 0.55 | 0.95 |
| Ti | 2.30 | 2.70 |
| Fe | - | 1.00 |
| Pb | - | 0.001 |
| Ce | - | 0.02 |
Mechanical Properties of XH77TЮ(ЭИ437A)
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 663 (≥) | 961 (≥) | 31 | 23 | 44 | Solution & Aging, Ann, Ausaging, Q+T | 431 |