Alloy KHN70VMJUT (ЭИ765)
Alloy KhN66VMTYUB (EI698MP; VZH136)
Alloy KhN67VMTU (EP202; KhN67MVTU)
Alloy KhN65KMVYUB (EP800)
Alloy CrN65VMYUTL (EI893L)
Alloy KhN65VMTU (EI893)
Alloy CrN65VMMBU (EP914; VZH131)
Alloy CrN65VBMYu (EP902)
Alloy KhN62MVKYu (EI867)
Alloy KhN62VMYUT (EP708)
Alloy KhN62VMKU (EI867)
Alloy KhN62BMKTU (EP742)
Alloy CrN62BMVY (EP709)
Alloy KhN60MYUVT (EP539)
Alloy KhN60MVTU (EP487)
Alloy KhN60M (EP367; 06Kh15N60M1)
Alloy KhN60KMYUVTB (EC9)
Alloy CrN60KMYUBVTF (EP962)
Alloy KhN60KVYUMB (EP957)
Alloy KhN59VG (EK82)
Alloy KhN58MBYUD (EK61)
Alloy KhN58MBYu (EK171; VZH159)
Alloy KhN58VMKYR (EP238)
Alloy KhN57MTVU (EP590)
Alloy KhN73MBTU (EI698)
Alloy EP539LMU
Alloy ChS70
Alloy ChS104
Alloy CNK7
Alloy KhN80TBY (EI607; KhN80T1BY (EI607A))
Alloy KhN80 (EI334)
Alloy KhN77TURU (EI437BU)
Alloy KhN77TUR (EI437B)
Alloy KhN75TBU (EI869)
Alloy KhN75VMU (EI827)
Alloy CrN75VMFU (EI827)
Alloy KhN57MKYUVTBR (EP958)
Alloy KhN71MTYUB (EI698P)
Alloy KhN70MVU (EI828)
Alloy KhN70MVTYUB (EI598)
Alloy KhN70VMYUT (EI765)
Alloy CrN70VMFTU (EI826)
Alloy CrN70VMTUF (EI826; CrN70VMTUF)
Alloy KhN70VMTU (EI617)
Alloy KhN70 (EI442)
Alloy KhN68VMTYUK (EP693)
Alloy KhN67MBYu (EP782)
Alloy VZHL12E
Alloy ZhS6KP
Alloy ZhS30
Alloy ZhS3
Alloy ZhS16
Alloy BC9L
Alloy BC4LM
Alloy BC4L
Alloy VZHL2
Alloy VZhL18
Alloy VZHL16
Alloy VZHL14H (VZHL14)
Alloy ZhS6U
Alloy VZHL12U
Alloy VZhL1
Alloy 67H26M (EI639; NIMO-25)
Alloy 58NHVKTBU (EP877; ХН58VCBTU)
Alloy 50H6MFA
Alloy 50H3CU (EP967)
Alloy 3MI3U
Alloy 10X20H77TU
Alloy 03Х20Н45М4БЧ (ChS42)
Alloy 03X20H45M4BRZ (ChS43)
Alloy KhN52KVMTYUB (EP975P)
Alloy KhN56MBYUD (EK62)
Alloy KhN56VMTU (EP199; VZh101)
Alloy KhN56VMKU (EP109)
Alloy KhN55MVU (EP454)
Alloy KhN55MVTs (ChS57)
Alloy KhN55MBYu (KhN63M9B2u; EP666)
Alloy KhN55VMTFKU (EI929)
Alloy KhN55VMTKU (EI929)
Alloy KhN54KVMTYUB (EP962P)
Alloy KhN53KVMTYUB (EP741P)
Alloy KhN57VKYUTMBL (ZhS6)
Alloy KhN51MTYUKFR (EP220)
Alloy KhN51KVMTYUB (EP741NP)
Alloy KhN50KVMTYUB (BB750)
Alloy KhN50VMTYUB (EP648)
Alloy KhN50VMTKFY (EP57)
Alloy KhN45MVTYUBR (EP718)
Alloy Kh15N60Yu3A (EP548)
Alloy H95S3Yu (EP711)
Alloy H95G (EP18)
Alloy H70M (EP495)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ХН70ВМЮТ |
| Designation GOST Latin | XH70BMJuT |
| Transliteration | HN70VMYuT |
| The chemical elements | CrNi70ВCuAlTe |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭИ765 |
| Designation GOST Latin | EI765 |
| Transliteration | EhI765 |
| The chemical elements | - |
Description
Alloy KHN70VMJUT used: for the manufacture of turbine blades, fasteners and other parts operating at temperatures up to 750−800 °C.
Note
High-temperature Nickel-based alloy.
The recommended maximum operating temperature for a very long time +750 °C, long-time +800 °C.
The temperature of beginning of intensive scaling in air to +1000 °C.
Standards
| Name | Code | Standards |
|---|---|---|
| Classification, nomenclature and general norms | В30 | GOST 5632-72 |
| Bulls. Blanks. Slabs | В31 | OST 3-1686-90 |
| Metal forming. Forgings | В03 | ST ЦКБА 010-2004 |
| Thermal and thermochemical treatment of metals | В04 | ST ЦКБА 016-2005 |
| Sectional and shaped rolling | В32 | TU 14-1-1358-74, TU 14-11-245-88 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Al | B | Ti | Mo | W |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 0.1-0.16 | ≤0.012 | ≤0.015 | ≤0.5 | 14-16 | ≤0.6 | The rest | ≤3 | ≤0.3 | 1.7-2.2 | ≤0.01 | 1-1.4 | 3-5 | 4-6 |
Ni is the basis.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa |
|---|---|---|---|---|---|---|
| Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Quenching in oil with 1140-1160 °C (extract 3 hours) + Aging at 790-810 °C (20 h exposure), air cooling | ||||||
| ≤100 | ≥588 | ≥980 | ≥20 | ≥25 | ≥588 | 270-320 |
| A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||
| - | ≥800 | ≥910 | ≥11 | ≥17 | - | - |
| Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure) | ||||||
| - | 750-820 | 1160-1230 | 24-27 | 28-34 | - | 277-311 |
| - | ≥670 | ≥1020 | ≥24 | ≥27 | - | - |
| Long products (bar) in the delivery condition. Quenching in oil from 1150 °C + Ageing at 800 °C (20 h exposure) | ||||||
| ≤30 | ≥670 | ≥1030 | ≥28 | ≥26 | ≥785 | - |
| A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||
| - | ≥700 | ≥710 | ≥25 | ≥60 | - | - |
| Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure) | ||||||
| - | 840-860 | 1250-1270 | 20-23 | 24-29 | - | 315 |
| - | ≥670 | ≥1020 | ≥19 | ≥23 | - | - |
| Long products (bar) in the delivery condition. Quenching in oil from 1150 °C + Ageing at 800 °C (20 h exposure) | ||||||
| 32-55 | ≥590 | ≥980 | ≥20 | ≥25 | ≥579 | - |
| A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||
| - | ≥265 | ≥280 | ≥55 | ≥85 | - | - |
| Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure) | ||||||
| - | 730 | 1170 | 21 | 33 | - | 300 |
| - | ≥600 | ≥930 | ≥19 | ≥24 | - | - |
| A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||
| - | ≥160 | ≥170 | ≥60 | ≥90 | - | - |
| Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure) | ||||||
| - | 700 | 1150 | 17 | 19 | - | 290 |
| - | ≥550 | ≥760 | ≥29 | ≥39 | - | - |
| A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||
| - | ≥64 | ≥67 | ≥68 | ≥83 | - | - |
| Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure) | ||||||
| - | 580-650 | 890-1120 | 10-25 | 21-32 | - | 250-293 |
| A sample with a diameter of 6 mm, length 30 mm, forged. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s | ||||||
| - | ≥42 | ≥55 | ≥44 | ≥67 | - | - |
| Annealing: heat to 1150 °C, exposure 3 h, cooling in oil + ageing at 800 °C (20 h exposure), cooling air (indicated by temperature and duration of heat exposure) | ||||||
| - | 600-680 | 1080-1130 | 28-35 | 27-42 | - | 270 |
| Rod. Quenching in oil from 1150 °C + ageing at 800 °C (20 h exposure) | ||||||
| - | 610-710 | 1010-1130 | 28-32 | 30-34 | - | - |
| - | ≥630 | ≥1000 | ≥27 | 23-34 | - | - |
| - | ≥590 | ≥980 | ≥25 | 18-23 | - | - |
| - | 570-630 | 870-920 | ≥22 | 27-36 | - | - |
| - | 490-560 | ≥560 | ≥19 | 46-52 | - | - |
| - | ≥390 | 400-440 | ≥21 | 57 | - | - |
| - | ≥270 | ≥295 | ≥31 | 70 | - | - |
| - | ≥69 | ≥78 | ≥58 | 76-82 | - | - |
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 |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
Physical characteristics
| Temperature | Е, ГПа | G, ГПа | r, кг/м3 | l, Вт/(м · °С) | R, НОм · м | a, 10-6 1/°С |
|---|---|---|---|---|---|---|
| 0 | 221 | 83 | 8600 | - | 1330 | - |
| 20 | 226 | - | 8600 | - | 1330 | - |
| 100 | 217 | 82 | 8570 | 12 | 1340 | 122 |
| 200 | 211 | 79 | 8540 | 13 | 1350 | 126 |
| 300 | 205 | 77 | 8510 | 17 | 1360 | 132 |
| 400 | 198 | 74 | 8470 | 19 | 1360 | 136 |
| 500 | 193 | 71 | 8430 | 29 | 1370 | 141 |
| 600 | 186 | 69 | 8390 | 30 | 1470 | 145 |
| 700 | 178 | 66 | 8340 | 30 | 1480 | 151 |
| 800 | - | 65 | 8290 | - | - | 158 |
| 900 | - | - | 8240 | - | - | 158 |
| 1100 | - | - | - | - | - | 165 |
A description of the physical symbols
| Name | Description |
|---|---|
| Е | The normal elasticity modulus |
| r | Density |
| l | Coefficient of thermal conductivity |
| R | UD. the resistivity |
Technological properties
| Name | The value |
|---|---|
| Weldability | Trudnosmyvaemye alloy. The welding process - SMAW. To relieve welding stresses, the recommended subsequent heat treatment. |
| Forging temperature | Start - 1180 °C, the end of - 900 °C. the cross Section up to 220 mm are cooled in air. |
| Workability by cutting | In the heat treated condition while HB 202 and blower SB=813 MPa Kn TV.SPL.=0,2 Kn b.St.=0,1. |
