Grades and purpose of special steels
Special steels and alloys of stainless steel (abbreviated)
| Designation | Or | GOST, TU | Typical application area |
|---|---|---|---|
| HK30VMT | EP720 | 14-1-3457-82 | Parts of special equipment. |
| CRN15VMKU | EP109 | 14-1-223-72 | |
| CrN28VMAB, vd | Cr21N28V5M3BAR, VZH100, EP126, vd | 14−1-21−71,14−1-192−72, 14−1-192−72 | Turbine parts. |
| CRN30VMT | EP437 | 14-1-2212-77 | Heat-resistant alloy for parts of special equipment. |
| CRN30VMT | EP437 | 14-1-2212-77 | |
| CRN30MDB | EC77 | 14-1-4056-85, 14-1-5156-92, 14-1-5155-92, 14-1-4745-89, 14-1-4998-91, 14-3-1711-90 | Chemical equipment for production of complex mineral fertilizers, in phosphoric and sulphuric acid, heavily contaminated with halogens, in pulp and paper and oil refining industries. Gas production equipment in hydrogen sulphide containing environments. |
| CRN32T | CR20NI32T, EP670 | 5632-72, 24 982-81, 14-1-284-72, 14-1-625-73, 14-1-2111-77, 14-1-4319-87, 14-1-489-76 | Components and tubing of high-temperature vent gas ducts of petrochemical plants and ammonia equipment with prolonged service life at t to 850°C. 8160 kg/m3. |
| CrN35VB-bd, id. | EP912 | 14-1-4222-86 | Corrosion-resistant steel for the manufacture of parts of special equipment. |
| CRN35VT | EI612 | 14-1-272-72.14-1-1665-76 (-VD) | Gas turbine blades, disks, rotors, fasteners. |
| CRN35VTR | CRN35VTR, ЭИ725 | ||
| CrN35VTR | EI787 | 14−1-1589−76,14−1-850−74 | Disks, blades of turbines and compressors. |
| CRN38VB | EN703B | ||
| CRN38VT | EN703 | 14-1-476-72 | Parts operating at moderate voltages. |
| CrN40MDB-vi | EP937vi | 14-1-2121-77, 14-1-2131-77, 14-1-2149-77 | Wrought weldable non-magnetic material for chemical equipment for particularly aggressive media with reducing and oxidizing properties: production lines of sulfuric, phosphoric and other acids, hydrometallurgical industries. 8260 kg/m3 tl=1370 grad. |
| CrN40MDTU-id | EP543U | 14-1-4042-85, 14-1-1754-76, 14-1-3190-81, 14-1-3528-83, 14-1-3639-83, 14-1-1214-82, 14-1-3546-83 | For chemical and petroleum engineering, centrifugal separators, centrifuges, |
| CrN43BMTU-vd, id. | EP915 | 14-1-3618-83 | Corrosion-resistant steel for the manufacture of parts of special equipment. |
| CHN45MVTYUBR-id | CHN45MVTU-BR, EP718 | 14-1-3905-85 | Parts of special equipment. |
| CRN45YU | EP747 | 5632-72, 24 982-81, 14-1-941-74, 14-1-2075-87, 14-1-2396-78, 14-1-4082-86 | Parts of burner devices, thermocouple covers, ceramic tile firing furnaces rollers, furnace conveyor grids, equipment of enamelware firing furnaces for continuous operation at t 1250-1300grad. without mechanical load. 7700 kg/m3. OZL-25, OZL-35. |
| CRNI45YUBTZ | EK54id | 14-1-3841-84 | Wear-resistant, corrosion-resistant steel for parts of special equipment. |
| CRN50VMTYUB | EP648vi | 14-1-3046-80 | Special technique parts. |
| CrN50VMTYUBK-id | EP969 | 14-1-131-527-82 | Parts of gas pipeline systems, bar parts, pipes. |
| CRN50MVKTYUR. | EP99id | 14-1-1476-75 | Heat resistant alloy for parts of special equipment. |
| CRN51VMTYUKFR | EP220 | 14-1-223-72 | Turbine blades. |
| CrN53KMVYUT+hafnium | EN994 | ||
| CRN55VMTKU | EI929vd | 14−1-223−72/131−379−78 | Turbine blades. |
| CrN55MBYU-vd. | EP66vd | 14-1-2606-79, 14-1-2692-79, 14-1-3490-82, 14-1-2702-79, 14-1-3191-81 | Stamp-welded and brazed products with a working temperature of -253.+750, as high-strength m-l in oxidizing environments of strong acids, sea water. Resistant to embrittlement in hydrogen. It is good for welding with other stainless steels. 8800 kg/m3. |
| CRN55MVU | CRN55M6VU | ||
| CRN56VMKU | EP109vd | 14-1-223-72 | Turbine blades |
| CR56VMTU | EP199vd | 14-1-1508-75 | Case blades, disks, turbine parts. |
| CR56МБЮД | EC62vd | 14-1-3763-84, 14-1-5045-91 | Special equipment parts. |
| CrN57MTBYUD, w | EP590vd, w | 14-1-2222-77 | Details of special equipment. |
| CRN58V | EP795 | 5632-72, 3239-81, 14-131-756-88, 14-1-4362-87, 14-1-4363-87, 14-1-2715-79, 14-131-224-75 | Saving equipment in nitric acid solutions, in hydrofluoric acid pickling solutions. Etching baths. Welding with electrodes ФХ-13, ФХ-26. |
| CRN58VMKUR. | EP238 | ||
| CrN58Mbjud-id | EC61 | 14-1-3763-84 | Parts of special equipment. |
| CRN59VMTKU | EP455Avd | 14-1-4861-90 | Heat resistant alloy for parts of special equipment. |
| CRN60VMTYUR | EN618 | 14-1-1322-75 | Parts of special equipment. |
| CRN60VT | EN868 | 5632-72, 14-1-286-72, 14-1-3148-81, 14-1-1494-75, 14-1-4296-87, 14-1-1747-76, 14-1-927-74, 14-1-230-72 | Engine parts. Combustion chambers, afterburner chambers and other parts with working temperature up to 1000-1100°C. 8350 kg/m3. |
| CRNI60M | EP367 | 14-1-2693-79 | Special technique parts. |
| CRN60MB | EP758 | 14-131-755-88 | Parts of burner devices, thermocouple sheaths, furnace parts. |
| CRN60MVTU | EP487vd | 14-1-1795-76 | Parts of special equipment. |
| CRN60MYUVT | EP539vd | 14-1-223-72 | Blades. |
| CRN60YU | EN559A | ||
| CrN61KMYUVB-vd | EP874 | ||
| CrN61MTVBU-vd | EC57vd | 14-1-3670-83 | Special technique parts. |
| CHN62VMTU | CN62VMTU, EI708 | ||
| CRN62VMYUT | EP708vd | 14-1-1018-74 | Special equipment parts. |
| CRN62MKU | CrN62VMKYU, ЭИ867vd | 14−1-402−72,14−1-223−72 | Blades, disks of turbines. |
| CRN63VMKYUTB | EP455 | 14-131-494-80 | |
| CRN63MB | EP758U | 14-131-755-85, 14-1-4289-87, 14-1-4881-90, 14-1-4202-87, 14-3-1478-87, 14-1-4734-89 | Particularly aggressive media containing chlorides, fluorides, organic acids and heavily contaminated mineral acids, complex mixtures of acids and chemicals at elevated temperatures, in the production of fertilizers, rubber, acetic acid, anhydride, etc. In pollution control systems. OZL-21. |
| CRN65VB. | EC64 | 14-1-3825-84 | Parts of special equipment. |
| CRN65VBMU | EP902 | 14-1-2949-80 | |
| CrN65VMBU-id, vd | EP914id, dd | 14-1-3986-85 | Corrosion-resistant steel for production of special equipment parts. |
| CRN65VMTU | EI, vi. | 14-1-322-72 | Gas turbine blades and other parts of power machines. |
| CRN65MV | 0Х15Н65М16 В, ЭП567 | 5632-72, 3239-81, 14-1-3239-81, 14-1-2475-78, 14-1-1215-75, 14-3-1227-83 | For making chemical equipment in harsh oxidation-reduction environments of chemical, petrochemical, cellulose and other industries. t -70.+500 |
| CRN65MVU | EP760 | 5632-72, 3239-81, 14-1-4870-90, 14-1-3587-83, 14-1-2230-77, 14-3-1227-83, 14-1-3768-84, 14-3-1320-85, 14-1-2240 | Columns, heat exchangers, reactors in harsh conditions for production of acetic acid, epoxy resins, vinyl acetate, complex organic compounds, fertilizers, styrene, ethylbenzene etc. at -70.+500 deg. 8900kg/m3. OZL-21. |
| CRN67VMTU | EI445r | ||
| CRN67MVMTU | EP202vd | 14-1-592-73 | |
| CrN68VMTYUK vd | CrN68MVKTYUR, 693vd | 14-1-3759-84 | Special equipment parts. |
| CRN70VMTU | EI617, vi | 14−1-1477−75/223−72/5.2−73, 14−1-223−72 | Turbine blades. |
| CRN70VMTUF | EI826, vi. | 14−1-402−72, 14−1-223−72/402−72/131−672−86 | Turbine blades. |
| CRN70VMYUT. | EI765 | 14-1-1358-74 | Rotors, disks, turbine blades. |
| CrN70MVTYUB vd, vi | EI598vd, vi | 14-1-402-72.14-1-223-72 (-VD) | Disks, turbine blades, aircraft engine parts. |
| CrN70MVYu, -vd. | EI828, vd. | 14-1-3131-81 | Parts of special equipment. |
| CRN70U | EN652, w | 5632-72, 24 982-81, 12 766.4-77, 14-1-1497-75, 14-1-493-72, 14-1-810-73, 14-1-833-71 | Resistance heating elements, nichrome class with aluminum. Parts of combustion and afterburner chambers - pockets, diffusers, screens, etc. at low stresses and t up to 1200grad. 7900 kg/m3. tpl. 1400°C |
| CrN73MbTu-vd. | HN73M5TUB, EI698 | 14-М973-77 | |
| CRN75VMYU | EI827 | 14−1-402−72,14−1-223−72 | Turbine blades. |
| CRN75MBTU | EN602 | 14-1-3721-84 | Parts of gas pipeline systems, apparatus. |
| CRN75TBU | EN869 | ||
| CRN77TU | EN437A | 14-1-75-71/402-72/764-73 (-Ш) | Used in aircraft industry. |
| CrN77TYU | EI437B | 14-1 -402-72/1465-75/223-72 (-WD) | Disks, turbine blades, aircraft engine parts. |
| CRN77TUR. | EI437BU. | ||
| CRN77YUR | EP137B | ||
| CrN78T-id, vi | EI435-id, vi | 5632-72, 24 982-81, 14-1-1671-76,14-1-2752-79, 14-1-975-74, 14-1-4319-87, 14-1-4009-85, 14-1-895-74, 14-1-4319-87, 14-1-3942-85 (-ID) | Parts of aircraft engines. Light-loaded critical parts with working tones up to 1000-1100°C: flame tubes, combustion chambers, gas ducts, thermocouple covers. 8400 kg/m3. OZL-25, OZL-25B, TST-28. |
| CRN80TBU | EI607A | 14-1-1358-74 | Turbine blades, turbine mounting parts. |
| CrN85Mu-vi | EP797vi | 14-131-450-79 | Special technique parts. |
| ChS25-vi | CHS25 | 14-1-811-73 | |
| ChS4-vi | CHS4 | 14-1-811-73 | |
| ChS5-vi | CHS5 | 14-1-811-74 | |
| SHKH15, SHKH15SG | 801-78 | For the manufacture of parts of ball and roller bearings, plunger bushings, plungers, heating valves, atomizer housings and other parts, pipe billet. | |
| EP 867 | EP867 | ||
| EP166 | 00Х17Н15Р1, EP166 | ||
| EP167 | 00Х17Н15Р2, EP167 | ||
| EP168 | 00Х17Н15Р4, EP168 | ||
| EP168A | 00Х17Н15Р3, EP168А | ||
| EP169 | 00Х18Н15Р6, EP169 |
HI - vacuum arc remelting
VI - Vacuum-induction melting
ID - induction furnace + vacuum arc remelting
IS - induction furnace + electron-beam remelting
PC - plasma arc remelting
Pt - plasma super pure smelting technology
SH - electroslag remelting
Special steels and alloys of stainless steel (abbreviated)
| Designation | Or | GOST, TU | Typical application area |
|---|---|---|---|
| HK30VMT | EP720 | 14-1-3457-82 | Parts of special equipment. |
| CRN15VMKU | EP109 | 14-1-223-72 | |
| CrN28VMAB, vd | Cr21N28V5M3BAR, VZH100, EP126, vd | 14−1-21−71,14−1-192−72, 14−1-192−72 | Turbine parts. |
| CRN30VMT | EP437 | 14-1-2212-77 | Heat-resistant alloy for parts of special equipment. |
| CRN30VMT | EP437 | 14-1-2212-77 | |
| CRN30MDB | EC77 | 14-1-4056-85, 14-1-5156-92, 14-1-5155-92, 14-1-4745-89, 14-1-4998-91, 14-3-1711-90 | Chemical equipment for production of complex mineral fertilizers, in phosphoric and sulphuric acid, heavily contaminated with halogens, in pulp and paper and oil refining industries. Gas production equipment in hydrogen sulphide containing environments. |
| CRN32T | CR20NI32T, EP670 | 5632-72, 24 982-81, 14-1-284-72, 14-1-625-73, 14-1-2111-77, 14-1-4319-87, 14-1-489-76 | Components and pipes of high-temperature venting of petrochemical installations and ammonia equipment with prolonged service life at t to 850°C. 8160 kg/m3. |
| CrN35VB-bd, id. | EP912 | 14-1-4222-86 | Corrosion-resistant steel for the manufacture of parts of special equipment. |
| CRN35VT | EI612 | 14-1-272-72.14-1-1665-76 (-VD) | Gas turbine blades, disks, rotors, fasteners. |
| CRN35VTR | CRN35VTR, ЭИ725 | ||
| CrN35VTR | EI787 | 14−1-1589−76,14−1-850−74 | Disks, blades of turbines and compressors. |
| CRN38VB | EN703B | ||
| CRN38VT | EI703 | 14-1-476-72 | Parts operating at moderate voltages. |
| CrN40MDB-vi | EP937vi | 14-1-2121-77, 14-1-2131-77, 14-1-2149-77 | Wrought weldable non-magnetic material for chemical equipment for particularly aggressive media with reducing and oxidizing properties: production lines of sulfuric, phosphoric and other acids, hydrometallurgical industries. 8260 kg/m3 tl=1370 grad. |
| CrN40MDTU-id | EP543U | 14-1-4042-85, 14-1-1754-76, 14-1-3190-81, 14-1-3528-83, 14-1-3639-83, 14-1-1214-82, 14-1-3546-83 | For chemical and petroleum engineering, centrifugal separators, centrifuges, |
| CrN43BMTU-vd, id. | EP915 | 14-1-3618-83 | Corrosion-resistant steel for the manufacture of parts of special equipment. |
| CHN45MVTYUBR-id | CHN45MVTU-BR, EP718 | 14-1-3905-85 | Parts of special equipment. |
| CRN45YU | EP747 | 5632-72, 24 982-81, 14-1-941-74, 14-1-2075-87, 14-1-2396-78, 14-1-4082-86 | Parts of burner devices, thermocouple covers, ceramic tile firing furnaces rollers, furnace conveyor grids, equipment of enamelware firing furnaces for continuous operation at t 1250-1300grad. without mechanical load. 7700 kg/m3. OZL-25, OZL-35. |
| CRNI45YUBTZ | EK54id | 14-1-3841-84 | Wear-resistant, corrosion-resistant steel for parts of special equipment. |
| CRN50VMTYUB | EP648vi | 14-1-3046-80 | Special technique parts. |
| CrN50VMTYUBK-id | EP969 | 14-1-131-527-82 | Parts of gas pipeline systems, bar parts, pipes. |
| CRN50MVKTYUR. | EP99id | 14-1-1476-75 | Heat resistant alloy for parts of special equipment. |
| CRN51VMTYUKFR | EP220 | 14-1-223-72 | Turbine blades. |
| CrN53KMVYUT+hafnium | EN994 | ||
| CRN55VMTKU | EI929vd | 14−1-223−72/131−379−78 | Turbine blades. |
| CrN55MBYU-vd. | EP66vd | 14-1-2606-79, 14-1-2692-79, 14-1-3490-82, 14-1-2702-79, 14-1-3191-81 | Stamp-welded and brazed products with a working temperature of -253.+750, as high-strength m-l in oxidizing environments of strong acids, sea water. Resistant to embrittlement in hydrogen. It is good for welding with other stainless steels. 8800 kg/m3. |
| CRN55MVU | CRN55M6VU | ||
| CRN56VMKU | EP109vd | 14-1-223-72 | Turbine blades |
| CR56VMTU | EP199vd | 14-1-1508-75 | Case blades, disks, turbine parts. |
| CR56МБЮД | EC62vd | 14-1-3763-84, 14-1-5045-91 | Special equipment parts. |
| CrN57MTBYUD, w | EP590vd, w | 14-1-2222-77 | Details of special equipment. |
| CRN58V | EP795 | 5632-72, 3239-81, 14-131-756-88, 14-1-4362-87, 14-1-4363-87, 14-1-2715-79, 14-131-224-75 | Saving equipment in nitric acid solutions, in hydrofluoric acid pickling solutions. Etching baths. Welding with electrodes ФХ-13, ФХ-26. |
| CRN58VMKUR. | EP238 | ||
| CrN58Mbjud-id | EC61 | 14-1-3763-84 | Parts of special equipment. |
| CRN59VMTKU | EP455Avd | 14-1-4861-90 | Heat resistant alloy for parts of special equipment. |
| CRN60VMTYUR | EN618 | 14-1-1322-75 | Parts of special equipment. |
| CRN60VT | EN868 | 5632-72, 14-1-286-72, 14-1-3148-81, 14-1-1494-75, 14-1-4296-87, 14-1-1747-76, 14-1-927-74, 14-1-230-72 | Engine parts. Combustion chambers, afterburner chambers and other parts with working temperature up to 1000-1100°C. 8350 kg/m3. |
| CRNI60M | EP367 | 14-1-2693-79 | Special technique parts. |
| CRN60MB | EP758 | 14-131-755-88 | Parts of burner devices, thermocouple sheaths, furnace parts. |
| CRN60MVTU | EP487vd | 14-1-1795-76 | Parts of special equipment. |
| CRN60MYUVT | EP539vd | 14-1-223-72 | Blades. |
| CRN60YU | EN559A | ||
| CrN61KMYUVB-vd | EP874 | ||
| CrN61MTVBU-vd | EC57vd | 14-1-3670-83 | Special equipment parts. |
| CHN62VMTU | CN62VMTU, EI708 | ||
| CRN62VMYUT | EP708vd | 14-1-1018-74 | Special equipment parts. |
| CRN62MKU | CrN62VMKYU, ЭИ867vd | 14−1-402−72,14−1-223−72 | Blades, disks of turbines. |
| CRN63VMKYUTB | EP455 | 14-131-494-80 | |
| CRN63MB | EP758U | 14-131-755-85, 14-1-4289-87, 14-1-4881-90, 14-1-4202-87, 14-3-1478-87, 14-1-4734-89 | Particularly aggressive media containing chlorides, fluorides, organic acids and heavily contaminated mineral acids, complex mixtures of acids and chemicals at elevated temperatures, in the production of fertilizers, rubber, acetic acid, anhydride, etc. In pollution control systems. OZL-21. |
| CRN65VB. | EC64 | 14-1-3825-84 | Parts of special equipment. |
| CRN65VBMU | EP902 | 14-1-2949-80 | |
| CrN65VMBU-id, vd | EP914id, dd | 14-1-3986-85 | Corrosion-resistant steel for production of special equipment parts. |
| CRN65VMTU | EI, vi. | 14-1-322-72 | Gas turbine blades and other parts of power machines. |
| CRN65MV | 0Х15Н65М16 В, ЭП567 | 5632-72, 3239-81, 14-1-3239-81, 14-1-2475-78, 14-1-1215-75, 14-3-1227-83 | For making chemical equipment in harsh oxidation-reduction environments in chemical, petrochemical, cellulose and other industries. t -70.+500 |
| CRN65MVU | EP760 | 5632-72, 3239-81, 14-1-4870-90, 14-1-3587-83, 14-1-2230-77, 14-3-1227-83, 14-1-3768-84, 14-3-1320-85, 14-1-2240 | Columns, heat exchangers, reactors in harsh conditions for production of acetic acid, epoxy resins, vinyl acetate, complex organic compounds, fertilizers, styrene, ethylbenzene etc. at -70.+500 deg. 8900kg/m3. OZL-21. |
| CRN67VMTU | EI445r | ||
| CRN67MVMTU | EP202vd | 14-1-592-73 | |
| CrN68VMTYUK vd | CrN68MVKTYUR, 693vd | 14-1-3759-84 | Special equipment parts. |
| CRN70VMTU | EI617, vi | 14−1-1477−75/223−72/5.2−73, 14−1-223−72 | Turbine blades. |
| CRN70VMTUF | EI826, vi. | 14−1-402−72, 14−1-223−72/402−72/131−672−86 | Turbine blades. |
| CRN70VMYUT. | EI765 | 14-1-1358-74 | Rotors, disks, turbine blades. |
| CrN70MVTYUB vd, vi | EI598vd, vi | 14-1-402-72.14-1-223-72 (-VD) | Disks, turbine blades, aircraft engine parts. |
| CrN70MVYu, -vd. | EI828, vd. | 14-1-3131-81 | Parts of special equipment. |
| CRN70U | EN652, w | 5632-72, 24 982-81, 12 766.4-77, 14-1-1497-75, 14-1-493-72, 14-1-810-73, 14-1-833-71 | Resistance heating elements, nichrome class with aluminum. Parts of combustion and afterburner chambers - pockets, diffusers, screens, etc. at low stresses and t up to 1200grad. 7900 kg/m3. tpl. 1400°C |
| CrN73MbTu-vd. | HN73M5TUB, EI698 | 14-М973-77 | |
| CRN75VMYU | EI827 | 14−1-402−72,14−1-223−72 | Turbine blades. |
| CRN75MBTU | EN602 | 14-1-3721-84 | Parts of gas pipeline systems, apparatus. |
| CRN75TBU | EN869 | ||
| CRN77TU | EN437A | 14-1-75-71/402-72/764-73 (-Ш) | Used in aircraft industry. |
| CrN77TYU | EI437B | 14-1 -402-72/1465-75/223-72 (-WD) | Disks, turbine blades, aircraft engine parts. |
| CRN77TUR. | EI437BU. | ||
| CRN77YUR | EP137B | ||
| CrN78T-id, vi | EI435-id, vi | 5632-72, 24 982-81, 14-1-1671-76,14-1-2752-79, 14-1-975-74, 14-1-4319-87, 14-1-4009-85, 14-1-895-74, 14-1-4319-87, 14-1-3942-85 (-ID) | Parts of aircraft engines. Light-loaded critical parts with working tones up to 1000-1100°C: flame tubes, combustion chambers, gas ducts, thermocouple covers. 8400 kg/m3. OZL-25, OZL-25B, TST-28. |
| CRN80TBU | EI607A | 14-1-1358-74 | Turbine blades, turbine mounting parts. |
| CrN85Mu-vi | EP797vi | 14-131-450-79 | Special technique parts. |
| ChS25-vi | CHS25 | 14-1-811-73 | |
| ChS4-vi | CHS4 | 14-1-811-73 | |
| ChS5-vi | CHS5 | 14-1-811-74 | |
| SHKH15, SHKH15SG | 801-78 | For the manufacture of parts of ball and roller bearings, plunger bushings, plungers, heating valves, atomizer housings and other parts, pipe billet. | |
| EP 867 | EP867 | ||
| EP166 | 00Х17Н15Р1, EP166 | ||
| EP167 | 00Х17Н15Р2, EP167 | ||
| EP168 | 00Х17Н15Р4, EP168 | ||
| EP168A | 00Х17Н15Р3, EP168А | ||
| EP169 | 00Х18Н15Р6, EP169 |
HI - vacuum arc remelting
VI - Vacuum-induction melting
ID - induction furnace + vacuum arc remelting
IS - induction furnace + electron-beam remelting
PC - plasma arc remelting
Pt - plasma super pure smelting technology
SH - electroslag remelting
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