Steel 20Х2МА
	
	06X1 steel
	06X1F steel
	06XGR steel
	06XF steel
	07Cr3HNMuA steel
	Steel 08GDNF (SL-2; 08GDNFL)
	08Cr2G2FA steel
	Steel 08KhMFCH (08KhMFCH)
	Steel 08KhMHA (08KhMCH)
	Steel 09GSFA (09GSF)
	Steel 09N2MFBA (09N2MFBA-A)
	Steel 09SFA (09SF)
	09ХГ2НАБч steel
	Steel 09KhN2MD (AB2-SH1)
	Steel 09KhN3MD (AB3)
	Steel 09KhN4MD (AB4)
	Steel 10G2 (10G2A)
	Steel 10GN (10GNA)
	Steel 10Х1С2М
	Steel 10Х2ГНМ (10Х2ГНМА)
	Steel 10Х2М1 (10Х2М1А)
	10Х3ГНМЯА steel
	Steel 10ХН3МД (АБ2-Ш2)
	Steel 12G1P
	Steel 12Х2Н4А (ЭИ83)
	Steel 12Х2НВФА (ЭИ712)
	Steel 12Х2НВФМА (ЭП506; ЭИ712М)
	Steel 12Х2НМ1ФА
	Steel 12Kh2NMFA
	Steel 12ХГН2МФБДАЮ (VS-4)
	12XHNM steel
	12CrNiMoV Steel
	12KhN steel
	12XH2 steel
	12XH2A steel
	Steel 12KhN2MD (AB1)
	12KhN3A steel
	12XHN3MD steel (AB2; 12XHN3MDF)
	12XHN4MBD steel (AB2P)
	Steel 138 IZ-2
	13H2HA steel
	Steel 13H5A
	Steel 13Х3НВМ2Ф (DI45; VKS-4)
	Steel 13ХГМРБ
	13CrNi2MoD steel
	13CrNi2MoFd steel
	Steel 13KhGSN1MD
	Steel 13KhFA (13KhF)
	Steel 14N2MFD (14N2MFDA)
	Steel 14Х2ГМР
	Steel 14Х2Н3МА
	14Cr3GMu steel
	Steel 14ХГ2САФД
	Steel 14ХГН
	Steel 14ХГНН2МДАФБ (14ХГНМДАФБ)
	Steel 14ХГННМДФБРТ (14ХГНМД)
	Steel 14KhGSN2MA (EP176; DI3A)
	Steel 14ХН3МА
	Steel 15G (15G1)
	15GUT steel
	Steel 15H2M (15NM)
	15H3MA steel
	15X steel
	15Kh1SMFB steel
	15Cr2Hn2TA steel
	Steel 15Kh2HN2TRA
	15KhA steel
	15CrNi2MaFach steel
	15CrNi2TA steel (15CrNi2TA)
	15KhGNM steel (15KhGNMA)
	15KhMFA steel (15KhMF)
	15KhN3 steel
	15Cr steel
	15KhSMFB steel (EP79)
	15KhFA steel (15KhF)
	Steel 16G2
	Steel 16Х2Н3МФБАЮ (16Х2Н3МФАБ; VKS7)
	Steel 16Х3НВФМБ (VKS-5; DI39)
	Steel 16ХГ (АЦ16ХГ)
	Steel 16ХГТА (ЭИ274)
	Steel 16ХН3МА
	16KhSN steel
	Steel 17H3MA
	17KhG steel
	Steel 18Г2ХФЯД
	Steel 18Kh2H4VA
	Steel 18Kh2H4MA
	18CrNiG Steel
	18ХГН2МФБ steel
	18KhGT steel
	18XH2T steel
	18KhN3MA steel
	18KhNVA steel
	Steel 18KhNMFD (18KhNMFDA)
	Steel 19Х2НВФА (ЭИ763)
	Steel 19Kh2NMFA
	Steel 19KhGN
	Steel 19ХГНМА (19ХГНМ)
	Steel 19ХГСС
	Steel 20G (20G1)
	Steel 20G2
	Steel 20G2AF (20G2AFps)
	20G2P steel
	20GUT steel
	Steel 20H2M (20NM)
	Steel 20F (20FA)
	20X steel
	Steel 20X2MA
	Steel 20X2MFA
	Steel 20X2H4A
	Steel 20Х2Н4МФ (20Х2Н4МФА)
	Steel 20Kh3NMF (20Kh3NMFA)
	20XHNM steel
	20KhGNMT steel (20KhGNMTA)
	Steel 20ХГНР
	20XHNTR steel
	20XGR steel
	20KhGSA steel
	Steel 20ХГСР
	20XM steel
	20KhN steel
	Steel 20KhN2M (20KhNM)
	20KhN3A steel
	20KhN3MFA steel (20KhN3MF)
	20KhN4FA steel
	20KhNR steel
	20KhFA steel (20KhF)
	Steel 21N5A (EI56)
	Steel 21Х2НВФА
	Steel 21Х2НМФА
	Steel 22KhGNMA (22KhGNM)
	22XHNM steel
	Steel 23G2D
	Steel 23Х2НВФА (ЭИ659)
	Steel 23Х2НМФА
	Steel 23KhN2M
	Steel 24G2
	Steel 24Kh3MF (24Kh3MFA)
	24CrNiM Steel
	Steel 25G (25G2)
	50G steel
	Steel 50G2
	50X steel
	50KhN steel
	5XHNM2 steel
	85GF steel
	AK32 steel
	AK33 steel
	AK34 steel
	AK35 steel
	AK36 steel
	AK37 steel
	AK48 steel
	AK49 steel
	AK50 steel
	Steel 25H
	Steel 25H3A
	Steel 25Kh2H4VA
	Steel 25Х2Н4МА
	Steel 25ХГ2СФР
	25KhGM steel
	Steel 25KhGNMA (25KhGNM)
	Steel 25KhGNMT (25KhGNMTA)
	25KhGSA steel
	Steel 25KhGT
	25CrM steel
	Steel 25KhN3
	Steel 25KhNTZ
	Steel 26G1
	Steel 26Х1МА (26Х1М)
	Steel 26Х2НВМБР (KVK-26)
	Steel 26KhGM
	Steel 26ХГМФ (26ХГМФА)
	Steel 26KhMA (26KhM; 25KhM)
	Steel 27XGR
	Steel 30G (30G1)
	30G1P steel
	Steel 30G2
	30T steel
	30X steel
	Steel 30X2H2VFA
	Steel 30X2H2VFMA
	Steel 30Kh2NVA
	Steel 30Kh2NVFA
	Steel 30Kh2NVFMA
	Steel 30Kh2NMA
	Steel 30Х2НМФА (30Х2НМФ)
	Steel 30Kh3MF
	30Kh3MFSA steel
	30Kh3NVA steel
	30CGS steel
	30KhGSA steel
	30KhGT steel
	30XM steel
	30KhMA steel
	Steel 30KhN2VA
	Steel 30KhN2VFA
	Steel 30KhN2MA (30KhNMA)
	30KhN2MFA steel
	30KhN3A steel
	30KhN3M steel
	Steel 30KhNMFA (30KhNVFA)
	30KhRA steel
	Steel 30ХСНВФА (ВП30)
	Steel 32G2
	Steel 32G2S
	Steel 32Х2НВМБР (KVK-32)
	Steel 33Kh3SNMVFA (SP33; EP613)
	Steel 33XHN3MA
	Steel 33HS
	Steel 34KhN1VA (0KhN1V)
	Steel 34KhN3M
	Steel 35G
	Steel 35G1P
	Steel 35G2
	Steel 35X
	Steel 35Cr2YuF
	Steel 35CrNi2
	35KhGSA steel
	Steel 35CrM
	Steel 35KhN2F
	Steel 35KHN3MA (35KHN3M)
	Steel 36G2S
	Steel 36G2SR
	Steel 36Х2Н2МФА (36ХН1МФА)
	Steel 37G2S
	Steel 37Х2НВМБР (КВК-37)
	37KhN3A steel
	38Cr2MuA steel (38Cr2MuA)
	Steel 38Kh2H2VA
	Steel 38Kh2H2MA (38KhNMA)
	38X2H3M steel
	38X2HM steel
	38Kh2NMF steel
	38Kh2Yu (38Kh2YuA) steel
	38KhA steel
	38KhGM steel
	38KhGN steel
	38CrNiM steel
	38KhGSA steel (38KhGS)
	Steel 38KhM (42KhM)
	38KhMA steel
	38KhN3VA steel
	38KhN3MA steel
	38HS steel
	Steel 38KhFR (40KhFR)
	40G steel
	Steel 40G2
	Steel 40GR (40G1P)
	Steel 40Kh (40KhA)
	Steel 40X2H2VA
	Steel 40X2H2MA
	Alloy 40Kh3M2FA (USP-40)
	40KhGNM steel
	40KhGSMA steel
	40KhGTR steel
	Steel 40KhMFA (40KhMF)
	40KhN steel
	Steel 40KhN2VA (40KhNVA)
	Steel 40KhN2MA (40KhNMA)
	40KhR steel
	40HS steel
	40KhSN2MA steel
	Steel 40KhFA (40KhF)
	Steel 42Х2НВМБР (KVK-42)
	Steel 42Х2НМБР (ABO70Н)
	Steel 42KhMFA (42KhMF)
	Steel 44Х2НМБР (ABO70В)
	45G steel
	Steel 45G2
	45X steel
	45KhN steel
	45KhN2MFA steel (45KhNMFA)
	Steel 47GT
	48KhN3M steel
	
Designation
| Name | The value | 
|---|---|
| Designation GOST Cyrillic | 20Х2МА | 
| Designation GOST Latin | 20X2MA | 
| Transliteration | 20H2MA | 
| The chemical elements | 20Cr2Mo | 
Description
20Х2МА steel is used: for the production of pipes for pipelines in the units for ammonia production with a working pressure of PN=31 MPa (320 kgf/cm2).
Standards
| Name | Code | Standards | 
|---|---|---|
| Metal forming. Forgings | В03 | TU 108-11-432-79 | 
| Bulls. Blanks. Slabs | В31 | TU 14-134-409-2004 | 
| Pipes steel and connecting parts to them | В62 | TU 14-3-433-75, TU 14-134-291-91 | 
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo | 
|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-134-409-2004 | 0.18-0.24 | ≤0.025 | ≤0.005 | 0.3-0.7 | 2.1-2.5 | 0.17-0.37 | ≤0.3 | The rest | ≤0.3 | 0.25-0.35 | 
| TU 14-134-291-91 | 0.18-0.24 | ≤0.03 | ≤0.01 | 0.3-0.7 | 2.1-2.5 | 0.17-0.37 | ≤0.3 | The rest | ≤0.3 | 0.25-0.35 | 
Fe is the basis. 
Mechanical characteristics
| sT|s0,2, MPa | σB, MPa | d5, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa | 
|---|---|---|---|---|
| Tubular billet on the other 14-134-409-2004 the pipe THAT 14-3-433-75 in the state of delivery of heat treated (longitudinal samples) | ||||
| ≥412 | ≥588 | ≥14 | ≥588 | - | 
| ≥392 | ≥490 | - | - | 174-248 | 
Description mechanical marks
| Name | Description | 
|---|---|
| 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 | 
| kJ/m2 | Toughness | 
 
		 
		 
		 
		 
		 
		 
		