Alloy 36NKHTJU8M (ЭП52)
Alloy 40KHNM (EI995)
Alloy 97NL (EI996)
Alloy 95NLM (EI996M)
Alloy 95NLVF (EI996V)
Alloy 68NKHVKTU (EP578)
Alloy 46NKhT (EP619)
Alloy 45NHT (EP218)
Alloy 44NCTU
Alloy 42NKhTUA (H41KhTA)
Alloy 42NKHTU (42NKHTUA)
Alloy 40KHMVTU
Alloy 36KhNTU (EI702)
Alloy 36NKhTYu8M (EP52)
Alloy 36NKhTU5M (EP51)
Alloy 36NKhTU (EI702)
Alloy 21NKMT (VES-130)
Alloy 17KhNGT (EI814)
Alloy 12KhNKMTU (SP22)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 36НХТЮ8М |
| Designation GOST Latin | 36HXTJu8M |
| Transliteration | 36NHTYu8M |
| The chemical elements | 36NiCrTeAl8Cu |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭП52 |
| Designation GOST Latin | EP52 |
| Transliteration | EhP52 |
| The chemical elements | - |
Description
Alloy 36NKHTJU8M used: for the production of cold-rolled strips and wire used in the manufacture of elastic and provocatively elements operating at temperatures up to 400 °C.
Note
Alloy non-magnetic corrosion-resistant dispersion-hardened with a temporary resistance 1375−1960 MN/m2 (140−200 kg/mm2) with normal elasticity modulus 196000−216000 MN/m2 (20000−22000 kgf/mm2).
From
Standards
| Name | Code | Standards |
|---|---|---|
| Classification, nomenclature and general norms | В30 | GOST 10994-74 |
| Tapes | В34 | GOST 14117-85, TU 14-1-1373-75, TU 14-1-279-72 |
| Steel alloy wire | В73 | GOST 14118-85, TU 14-1-2880-80 |
| Sectional and shaped rolling | В32 | TU 14-11-245-88 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Al | Ti | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-279-72 | ≤0.06 | ≤0.02 | ≤0.02 | 0.8-1.2 | 12-13.5 | 0.3-0.7 | 35-37 | The rest | 1-1.3 | 2.7-3.2 | 7.5-8.5 |
| GOST 10994-74 | ≤0.05 | ≤0.02 | ≤0.02 | 0.8-1.2 | 12-13.5 | 0.3-0.7 | 35-37 | The rest | 1-1.3 | 2.7-3.2 | 7.5-8.5 |
Fe is the basis.
According to GOST 10994-74, the chemical composition is presented for the 36NXTU8M alloy (EP52).
According to TU 14-1-279-72, the chemical composition is presented for the 36NXTU8M alloy (EP52). Deviations in chemical composition are allowed: for aluminum ± 0.10%, for titanium ± 0.10%.
According to GOST 10994-74, the chemical composition is presented for the 36NXTU8M alloy (EP52).
According to TU 14-1-279-72, the chemical composition is presented for the 36NXTU8M alloy (EP52). Deviations in chemical composition are allowed: for aluminum ± 0.10%, for titanium ± 0.10%.
Mechanical characteristics
| Section, mm | t отпуска, °C | sT|s0,2, MPa | σB, MPa | d | HRC |
|---|---|---|---|---|---|
| Cold-rolled steel strip (samples) in the delivery state according to GOST 14117-85. Quenching in water from 1000-1050 °C + Aging at 740-760 °C (exposure 4 h) | |||||
| 0.1-0.9 | - | - | ≥1270 | ≥4 | - |
| 1-2 | - | ≥1030 | ≥1320 | ≥4 | ≥42 |
| Cold-rolled steel strip as supplied by GOST 14117-85 | |||||
| 0.1-2 | - | - | ≥1180 | - | - |
| 0.1-2 | - | - | 980-1230 | ≥1 | - |
| Cold-rolled steel strip as supplied by GOST 14117-85. Quenching in water from 1000-1050 °C | |||||
| 0.1-2 | - | - | ≤980 | ≥15 | - |
| Cold-rolled steel strip as supplied by GOST 14117-85. Aging (in the graph, the temperature of leave is specified aging temperature and aging time) | |||||
| - | 750, 4ч | 930-1130 | 1270-1420 | ≥3 | - |
| - | 700-725, 2ч | 1270-1420 | 1420-1570 | ≥1 | - |
| - | 700-725, 2-3ч | 1080-1270 | 1320-1470 | ≥2 | - |
| Cold-rolled steel strip on the other 14-1-279-72. Quenching in water from 1040-1060 °C (exposure during heating for quenching in an electric furnace - 2 minutes to 0.1 mm thicknesses) | |||||
| - | - | - | ≥25 | ≤28 | |
| Cold-rolled steel strip on the other 14-1-279-72. Quenching in water from 990-1010 °C + Vacation at 750 °C (endurance 4 hours), air cooling | |||||
| - | ≥1080 | ≥1373 | ≥5 | ≥44 | |
| Cold drawn wire in the delivery state according to GOST 14118-85. Aging at 690-710 °C (exposure 2 hours), air cooling | |||||
| 0.3-5 | - | - | ≥1570 | - | - |
| 0.3-5 | - | - | ≥1370 | - | - |
| Wire cold-drawn at THAT 14-1-279-72. | |||||
| 0.5-5 | - | - | ≥981 | - | - |
| 0.5-5 | - | - | ≥1373 | - | - |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d | Elongation after rupture |
| HRC | Rockwell hardness (indenter diamond spheroconical) |
