Сплав 20Х — расшифровка, хим. состав

Сталь, конструкционная легированная

20Х — металлический сплав, основу которого составляет железо (Fe), его содержание в 20Х должно быть не менее 97.1%. Обязательно в сплаве 20Х присутствуют хром, марганец, кремний, углерод. Допустимое количество примесей определено в таблице химического состава. ГОСТ 4543 - 71

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Химический состав сплава 20Х

Хим. элемент	% содержания
Железо (Fe)	от 97.1
Хром (Cr)	0.7 — 1
Марганец (Mn)	0.5 — 0.8
Кремний (Si)	0.17 — 0.3
Углерод (C)	0.12 — 0.18
Медь (Cu)	до 0.3
Никель (Ni)	до 0.3
Фосфор (P)	до 0.035
Сера (S)	до 0.035

Механические свойства сплава

Сортамент	Размер	Напр.	s_в	s_T	d₅	y	KCU	Термообр.
-	мм	-	МПа	МПа	%	%	кДж / м²	-
Трубы, ГОСТ 8731-87			431		16
Пруток, ГОСТ 4543-71	Ø 15		780	635	11	40	590	Закалка и отпуск

Физические свойства сплава

T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹
Град	МПа	1/Град	Вт/(м·град)	кг/м³	Дж/(кг·град)	Ом·м
20	2.16		42	7830
100	2.13	10.5	42	7810	496
200	1.98	11.6	41	7780	508
300	1.93	12.4	40		525
400	1.81	13.1	38	7710	537
500	1.71	13.6	36		567
600	1.65	14	33	7640	588
700	1.43		32		626
800	1.33		31		706
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Полезные инструменты

Определение сплава по составу Попробовать Марочник сплавов Попробовать Справочник содержания драгоценных металлов Попробовать Металлический калькулятор Попробовать Калькулятор сделки Попробовать

Другие сплавы из категории Сталь конструкционная легированная

Марка сплава	Хим. состав	ГОСТ
10Г2	Feот 97%Mn1.2-1.6%Si0.17-0.3%C0.07-0.1%	ГОСТ 4543 - 71
10Х2М	Feот 95.3%Cr2-2.5%Mo0.6-0.8%Mn0.4-0.7%Si0.17-0.3%C0.08-0.1%	ГОСТ 5520 - 79
12Г2	Feот 97.3%Mn1.2-1.6%Si0.17-0.3%C0.08-0.1%	ГОСТ 1542 - 71
12Х2Н4А	Feот 93.5%Ni3.25-3.6%Cr1.25-1.6%Mn0.3-0.6%Si0.17-0.3%C0.09-0.1%	ГОСТ 4543 - 71
12Х2НВФА	Feот 93.4%Cr1.9-2.4%W1-1.4%Ni0.8-1.2%Mn0.3-0.7%V0.18-0.2%Si0.17-0.3%C0.09-0.1%	ГОСТ 11268 - 76
12Х2НВФМА	Feот 92.4%Cr1.9-2.4%Ni1.2-1.6%W1-1.4%Mn0.6-0.9%Mo0.35-0.4%V0.18-0.2%Si0.17-0.3%C0.09-0.1%	ГОСТ 11268 - 76
12Х2НМ1ФА	Feот 93.2%Cr1.9-2.4%Ni1.2-1.6%Mo0.7-1%Mn0.6-0.9%V0.18-0.2%Si0.17-0.3%C0.09-0.1%	ГОСТ 11268 - 76
12Х2НМФА	Feот 94.4%Cr1.9-2.4%Ni0.8-1.2%Mo0.35-0.4%Mn0.3-0.7%V0.18-0.2%Si0.17-0.3%C0.09-0.1%	ГОСТ 11268 - 76
12ХН	Feот 97.1%Ni0.8-0.8%Cr0.4-0.7%Mn0.3-0.6%Si0.17-0.3%C0.09-0.1%	ГОСТ 10702 - 78
12ХН2	Feот 95.5%Ni1.5-1.9%Cr0.6-0.9%Mn0.3-0.9%Si0.17-0.3%C0.09-0.1%	ГОСТ 4543 - 71
12ХН2А	Feот 96.2%Ni1.5-1.9%Cr0.6-0.9%Mn0.3-0.6%Si0.17-0.3%C0.09-0.1%	ГОСТ 4543 - 71
12ХН3А	Feот 94.7%Ni2.75-3.1%Cr0.6-0.9%Mn0.3-0.6%Si0.17-0.3%C0.09-0.1%	ГОСТ 4543 - 71
14Х2ГМР	Feот 95.4%Cr1.3-1.7%Si0.9-1.2%Mo0.4-0.5%Mn0.17-0.3%C0.1-0.16%	ЧМТУ 1-645 - 69
14Х2Н3МА	Feот 93.8%Ni2.75-3.1%Cr1.5-1.75%Mn0.3-0.6%Mo0.2-0.3%Si0.17-0.3%C0.12-0.1%	ГОСТ 4543 - 71, в последней версии материал отсутствует
14ХГН	Feот 96%Cr0.8-1.1%Ni0.8-1.1%Mn0.7-1%Si0.17-0.3%C0.13-0.1%	ГОСТ 4543 - 71
15Г	Feот 97.5%Mn0.7-1%Si0.17-0.3%C0.12-0.19%	ГОСТ 4543 - 71
15Н2М	Feот 96%Ni1.5-1.9%Mn0.4-0.7%Mo0.2-0.3%Si0.17-0.3%C0.1-0.18%	ГОСТ 4543 - 71
15Х	Feот 97.2%Cr0.7-1%Mn0.4-0.7%Si0.17-0.3%C0.12-0.1%	ГОСТ 4543 - 71
15ХА	Feот 97.3%Cr0.7-1%Mn0.4-0.7%Si0.17-0.3%C0.12-0.1%	ГОСТ 4543 - 71
15ХГН2ТА	Feот 95.4%Ni1.4-1.8%Cr0.7-1%Mn0.7-1%Si0.17-0.3%C0.13-0.1%Ti0.03-0.09%	ГОСТ 4543 - 71
15ХГНМ	Feот 96.5%Mn0.7-1.1%Cr0.4-0.7%Ni0.4-0.7%Si0.17-0.3%Mo0.15-0.2%C0.13-0.18%	ГОСТ 10702 - 78
15ХФ	Feот 97%Cr0.8-1.1%Mn0.4-0.7%Si0.17-0.3%C0.12-0.18%V0.06-0.1%	ГОСТ 4543 - 71
16Г2	Feот 96.4%Mn2-2.4%Si0.17-0.3%C0.12-0.2%	ГОСТ 1542 - 71
16ХСН	Feот 96%Cr0.8-1.1%Ni0.6-0.9%Si0.6-0.9%Mn0.3-0.6%C0.13-0.2%	ГОСТ 10702 - 78
18Х2Н4ВА	Feот 91.5%Ni4-4.4%Cr1.35-1.6%W0.8-1.2%Mn0.25-0.5%Si0.17-0.3%C0.14-0.2%	ГОСТ 4543 - 71
18Х2Н4МА	Feот 92.2%Ni4-4.4%Cr1.35-1.6%Mo0.3-0.4%Mn0.25-0.5%Si0.17-0.3%C0.14-0.2%	ГОСТ 4543 - 71
18ХГ	Feот 96.4%Cr0.9-1.2%Mn0.9-1.2%Si0.17-0.3%C0.15-0.2%	ГОСТ 4543 - 71
18ХГТ	Feот 96.3%Cr1-1.3%Mn0.8-1.1%Si0.17-0.3%C0.17-0.2%Ti0.03-0.09%	ГОСТ 4543 - 71
19Х2НВФА	Feот 93.3%Cr1.9-2.4%W1-1.4%Ni0.8-1.2%Mn0.3-0.7%V0.18-0.2%Si0.17-0.3%C0.16-0.2%	ГОСТ 11268 - 76
19Х2НМФА	Feот 94.3%Cr1.9-2.4%Ni0.8-1.2%Mo0.35-0.4%Mn0.3-0.7%V0.18-0.2%Si0.17-0.3%C0.16-0.2%	ГОСТ 11268 - 76
19ХГН	Feот 95.8%Cr0.8-1.1%Ni0.8-1.1%Mn0.7-1%Si0.17-0.3%C0.16-0.2%	ГОСТ 10702 - 78
20Г	Feот 97.5%Mn0.7-1%Si0.17-0.3%C0.17-0.2%	ГОСТ 4543 - 71
20Г2	Feот 97.1%Mn1.3-1.6%C0.18-0.2%Si0.17-0.3%	ГОСТ 10702 - 78
20Н2М	Feот 95.9%Ni1.5-1.9%Mn0.4-0.7%Mo0.2-0.3%Si0.17-0.3%C0.17-0.2%	ГОСТ 4543 - 71
20Х	Feот 97.1%Cr0.7-1%Mn0.5-0.8%Si0.17-0.3%C0.12-0.18%	ГОСТ 4543 - 71
20Х12Н12Г6	Feот 66.2%Cr10-13%Ni10-13%Mn6-7%C0.15-0.2%	ГОСТ 9124 - 85
20Х14	Feот 82.1%Cr13-15%C0.16-0.2%	ГОСТ 10543 - 98
20Х17Н3М	Feот 75.6%Cr16-18%Ni2-3%Mo1.2-1.7%C0.18-0.2%	ГОСТ 10543 - 98
20Х2Н4А	Feот 93.4%Ni3.25-3.6%Cr1.25-1.6%Mn0.3-0.6%Si0.17-0.3%C0.17-0.2%	ГОСТ 4543 - 71
20ХГНМ	Feот 96.4%Mn0.7-1.1%Cr0.4-0.7%Ni0.4-0.7%C0.18-0.2%Si0.17-0.3%Mo0.15-0.2%	ГОСТ 4543 - 71
20ХГНР	Feот 95.9%Ni0.8-1.1%Cr0.7-1.1%Mn0.7-1%Si0.17-0.3%C0.16-0.2%B0.001-0.005%	ГОСТ 4543 - 71
20ХГНТР	Feот 96.5%Mn0.8-1.1%Cr0.4-0.7%Ni0.4-0.7%C0.18-0.2%Si0.17-0.3%Ti0.03-0.09%B0.001-0.005%	ГОСТ 4543 - 71
20ХГР	Feот 96.7%Cr0.75-1%Mn0.7-1.1%C0.18-0.2%Si0.17-0.3%B0.001-0.005%	ГОСТ 4543 - 71
20ХГСА	Feот 95.8%Si0.9-1.2%Cr0.8-1.1%Mn0.8-1.1%C0.17-0.2%	ГОСТ 4543 - 71
20ХМ	Feот 96.8%Cr0.8-1.1%Mn0.4-0.7%Si0.17-0.3%C0.15-0.2%Mo0.15-0.2%	ГОСТ 4543 - 71
20ХН	Feот 96.3%Ni1-1.4%Cr0.45-0.7%Mn0.4-0.7%Si0.17-0.3%C0.17-0.2%	ГОСТ 4543 - 71
20ХН2М	Feот 95.5%Ni1.6-2%Mn0.4-0.7%Cr0.4-0.6%Mo0.2-0.3%Si0.17-0.3%C0.15-0.2%	ГОСТ 4543 - 71
20ХН3А	Feот 94.6%Ni2.75-3.1%Cr0.6-0.9%Mn0.3-0.6%Si0.17-0.3%C0.17-0.2%	ГОСТ 4543 - 71
20ХН4ФА	Feот 93.3%Ni3.75-4.1%Cr0.7-1.1%Mn0.25-0.5%Si0.17-0.3%C0.17-0.2%V0.1-0.18%	ГОСТ 4543 - 71
20ХНР	Feот 96%Ni0.8-1.1%Cr0.7-1.1%Mn0.6-0.9%Si0.17-0.3%C0.16-0.2%B0.001-0.005%	ГОСТ 4543 - 71
20ХФ	Feот 96.8%Cr0.8-1.1%Mn0.5-0.8%C0.17-0.2%V0.1-0.2%	ГОСТ 10702 - 78, в последней версии материал отсутствует
21Х2НВФА	Feот 93.3%Cr1.9-2.4%W1-1.4%Ni0.8-1.2%Mn0.3-0.7%C0.19-0.2%V0.18-0.2%Si0.17-0.3%	ГОСТ 11268 - 76
21Х2НМФА	Feот 94.3%Cr1.9-2.4%Ni0.8-1.2%Mo0.35-0.4%Mn0.3-0.7%C0.19-0.2%V0.18-0.2%Si0.17-0.3%	ГОСТ 11268 - 76
23Х2НВФА	Feот 93.3%Cr1.9-2.4%W1-1.4%Ni0.8-1.2%Mn0.3-0.7%C0.19-0.2%V0.18-0.2%Si0.17-0.3%	ГОСТ 11268 - 76
23Х2НМФА	Feот 94.3%Cr1.9-2.4%Ni0.8-1.2%Mo0.35-0.4%Mn0.3-0.7%C0.19-0.2%V0.18-0.2%Si0.17-0.3%	ГОСТ 11268 - 76
25Г	Feот 97.4%Mn0.7-1%C0.22-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
25Х2ГНТА	Feот 94.7%Cr1.3-1.7%Ni0.9-1.3%Mn0.8-1.1%C0.22-0.2%Si0.2-0.5%Ti0.06-0.1%	ТУ 14-1-195 - 72
25Х2Н4ВА	Feот 91.5%Ni4-4.4%Cr1.35-1.6%W0.8-1.2%Mn0.25-0.5%C0.21-0.2%Si0.17-0.3%	ГОСТ 4543 - 71
25Х2Н4МА	Feот 92.3%Ni4-4.4%Cr1.35-1.6%Mo0.3-0.4%Mn0.25-0.5%C0.21-0.2%Si0.17-0.3%	ГОСТ 4543 - 71
25ХГМ	Feот 96.1%Cr0.9-1.2%Mn0.9-1.2%C0.23-0.2%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
25ХГНМТ	Feот 96%Ni0.8-1.1%Mn0.5-0.8%Cr0.4-0.6%Mo0.4-0.5%C0.23-0.2%Si0.17-0.3%Ti0.04-0.09%	ГОСТ 4543 - 71
25ХГСА	Feот 95.7%Si0.9-1.2%Cr0.8-1.1%Mn0.8-1.1%C0.22-0.28%	ГОСТ 4543 - 71
25ХГТ	Feот 96.3%Cr1-1.3%Mn0.8-1.1%C0.22-0.29%Si0.17-0.3%Ti0.03-0.09%	ГОСТ 4543 - 71
27ХГР	Feот 96.7%Cr0.7-1%Mn0.7-1%C0.25-0.3%Si0.17-0.3%B0.001-0.005%	ГОСТ 4543 - 71
30Г	Feот 97.4%Mn0.7-1%C0.27-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
30Г2	Feот 96.6%Mn1.4-1.8%C0.26-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
30Х	Feот 96.8%Cr0.8-1.1%Mn0.5-0.8%C0.24-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
30Х10Г10Т	Feот 74.4%Cr10-12%Mn10-12%C0.25-0.3%Ti0.15-0.3%	ГОСТ 10543 - 98
30Х3МФ	Feот 95%Cr2.3-2.7%Mn0.3-0.6%C0.27-0.3%Mo0.2-0.3%Si0.17-0.3%V0.06-0.12%	ГОСТ 4543 - 71
30Х5	Feот 92%Cr4-6%Mn0.4-0.7%C0.27-0.3%Si0.2-0.5%	ГОСТ 10543 - 98
30ХГС	Feот 95.6%Si0.9-1.2%Cr0.8-1.1%Mn0.8-1.1%C0.28-0.3%	ГОСТ 4543 - 71
30ХГСА	Feот 95.7%Si0.9-1.2%Cr0.8-1.1%Mn0.8-1.1%C0.28-0.3%	ГОСТ 4543 - 71
30ХГСН2А	Feот 93.9%Ni1.4-1.8%Mn1-1.3%Cr0.9-1.2%Si0.9-1.2%C0.27-0.3%	ГОСТ 4543 - 71
30ХГСНМА	Feот 93.7%Ni1.4-1.8%Mn1-1.3%Cr0.9-1.2%Si0.9-1.2%Mo0.3-0.45%C0.27-0.34%	ГОСТ 21729 - 76
30ХГТ	Feот 96.2%Cr1-1.3%Mn0.8-1.1%C0.24-0.3%Si0.17-0.3%Ti0.03-0.09%	ГОСТ 4543 - 71
30ХН2ВА	Feот 95.2%Ni1.25-1.6%Cr0.6-0.9%W0.5-0.8%Mn0.3-0.6%C0.27-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
30ХН2ВФА	Feот 92.6%Ni2-2.4%Cr0.6-0.9%W0.5-0.8%Mn0.3-0.6%C0.27-0.3%Si0.17-0.3%V0.1-1.8%	ГОСТ 4543 - 71
30ХН2МА	Feот 95.7%Ni1.25-1.6%Cr0.6-0.9%Mn0.3-0.6%C0.27-0.3%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
30ХН2МФА	Feот 94.7%Ni2-2.4%Cr0.6-0.9%Mn0.3-0.6%C0.27-0.3%Mo0.2-0.3%Si0.17-0.3%V0.1-0.18%	ГОСТ 4543 - 71
30ХН3А	Feот 94.5%Ni2.75-3.1%Cr0.6-0.9%Mn0.3-0.6%C0.27-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
30ХН3М2ФА	Feот 92.5%Ni3-3.5%Cr1.2-1.7%Mo0.4-0.65%C0.26-0.3%Mn0.25-0.5%V0.1-0.2%	ТУ 108.1028 - 81
30ХРА	Feот 96.6%Cr1-1.3%Mn0.5-0.8%C0.27-0.3%Si0.17-0.3%B0.001-0.005%	ГОСТ 4543 - 71
33ХС	Feот 95.4%Cr1.3-1.6%Si1-1.4%Mn0.3-0.6%C0.29-0.3%	ГОСТ 4543 - 71
34ХН1М	Feот 94.7%Cr1.3-1.7%Ni1.3-1.7%Mn0.5-0.8%C0.3-0.4%Mo0.2-0.3%Si0.17-0.3%	ТУ 24-1-12-179 - 75
34ХН1МА	Feот 94.7%Cr1.3-1.7%Ni1.3-1.7%Mn0.5-0.8%C0.3-0.4%Mo0.2-0.3%Si0.17-0.3%	ТУ 108-1028 - 81
34ХН3М	Feот 93.7%Ni2.75-3.2%Cr0.7-1.1%Mn0.5-0.8%C0.3-0.4%Mo0.25-0.4%Si0.17-0.3%	ТУ 24-1-12-179 - 75
34ХН3МА	Feот 93.2%Ni2.75-3.7%Cr0.7-1.1%Mn0.5-0.8%C0.3-0.4%Mo0.25-0.4%Si0.17-0.3%	ТУ 108-1028 - 81
35Г	Feот 97.3%Mn0.7-1%C0.32-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
35Г2	Feот 96.6%Mn1.4-1.8%C0.31-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
35Х	Feот 96.7%Cr0.8-1.1%Mn0.5-0.8%C0.31-0.39%Si0.17-0.3%	ГОСТ 4543 - 71
35ХГ2	Feот 96%Mn1.6-1.9%Cr0.4-0.7%C0.32-0.4%Si0.17-0.3%	ГОСТ 4543 - 71, в последней версии материал отсутствует
35ХГН2	Feот 95.9%Ni1-1.5%Cr0.7-1%Mn0.5-0.8%C0.32-0.4%Si0.17-0.3%
35ХГСА	Feот 95.1%Cr1.1-1.4%Si1.1-1.4%Mn0.8-1.1%C0.32-0.39%	ГОСТ 4543 - 71
35ХГФ	Feот 96.7%Cr1-1.3%Mn0.95-1.2%C0.31-0.3%Si0.17-0.3%V0.06-0.12%	ГОСТ 4543 - 71, в последней версии материал отсутствует
35ХН1М2ФА	Feот 93.9%Cr1.3-1.7%Ni1.3-1.7%Mn0.5-0.8%Mo0.4-0.6%C0.32-0.4%V0.1-0.2%	ТУ 108.1028 - 81
36Г2С	Feот 96.3%Mn1.5-1.8%Si0.4-0.7%C0.32-0.4%	ГОСТ Р 51245 - 99
36Х2Н2МФА	Feот 94.5%Cr1.3-1.7%Ni1.3-1.7%C0.33-0.4%Mo0.3-0.4%Mn0.25-0.5%Si0.17-0.3%V0.1-0.18%	ГОСТ 4543 - 71
38Х2Н2ВА	Feот 94.3%Cr1.3-1.7%Ni1.3-1.7%W0.5-0.8%C0.33-0.4%Mn0.25-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
38Х2Н2МА	Feот 94.8%Cr1.3-1.7%Ni1.3-1.7%C0.33-0.4%Mn0.25-0.5%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
38Х2Н3М	Feот 93.3%Ni2.75-3.2%Cr1-1.5%Mn0.5-0.8%C0.35-0.4%Mo0.3-0.4%Si0.17-0.3%	ОСТ 24,959,11
38Х2НМ	Feот 94.9%Cr1.8-2.3%Ni0.6-0.9%Mn0.5-0.8%C0.32-0.4%Mo0.2-0.3%Si0.17-0.3%	ТУ 24,11,01,073 - 86
38Х2НМФ	Feот 94.8%Cr1.8-2.3%Ni0.6-0.9%Mn0.5-0.8%C0.32-0.4%Mo0.2-0.3%Si0.17-0.3%V0.08-0.1%	ТУ 24,11,01,073 - 86
38Х2Ю	Feот 96%Cr1.5-1.8%Al0.5-0.8%C0.35-0.4%Mn0.2-0.5%Si0.2-0.4%	ГОСТ 4543 - 71, в последней версии материал отсутствует
38ХА	Feот 96.8%Cr0.8-1.1%Mn0.5-0.8%C0.35-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
38ХВ	Feот 95.9%Cr0.9-1.3%W0.5-0.8%Mn0.35-0.6%C0.35-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
38ХГМ	Feот 96.4%Cr0.8-1.1%Mn0.6-0.9%C0.34-0.4%Si0.17-0.3%Mo0.15-0.2%	ГОСТ 4543 - 71
38ХГН	Feот 96%Mn0.8-1.1%Ni0.7-1%Cr0.5-0.8%C0.35-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
38ХГНМ	Feот 96.6%Mn0.5-0.8%Ni0.4-0.7%Cr0.4-0.6%C0.37-0.4%Si0.17-0.3%Mo0.15-0.2%	ГОСТ 10702 - 78
38ХМ	Feот 96.4%Cr0.9-1.3%Mn0.35-0.6%C0.35-0.4%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
38ХМА	Feот 96.5%Cr0.9-1.3%Mn0.35-0.6%C0.35-0.4%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
38ХН3ВА	Feот 93.3%Ni2.75-3.2%Cr0.8-1.2%W0.5-0.8%C0.33-0.4%Mn0.25-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
38ХН3МА	Feот 93.8%Ni2.75-3.2%Cr0.8-1.2%C0.33-0.4%Mn0.25-0.5%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
38ХН3МФА	Feот 92.9%Ni3-3.5%Cr1.2-1.5%Mo0.35-0.4%C0.33-0.4%Mn0.25-0.5%Si0.17-0.3%V0.1-0.18%	ГОСТ 4543 - 71
38ХС	Feот 95.3%Cr1.3-1.6%Si1-1.4%C0.34-0.4%Mn0.3-0.6%	ГОСТ 4543 - 71
40Г	Feот 97.3%Mn0.7-1%C0.32-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
40Г2	Feот 96.5%Mn1.4-1.8%C0.36-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
40ГР	Feот 97.3%Mn0.7-1%C0.37-0.4%Si0.17-0.3%B0.001-0.005%	ГОСТ 4543 - 71
40Х	Feот 96.7%Cr0.8-1.1%Mn0.5-0.8%C0.36-0.44%Si0.17-0.3%	ГОСТ 4543 - 71
40Х2Г2М	Feот 92.6%Cr1.8-2.3%Mn1.8-2.3%Mo0.8-1.2%Si0.4-0.7%C0.35-0.4%	ГОСТ 10543 - 98
40Х2Н2ВА	Feот 94.2%Ni1.35-1.7%Cr1.25-1.6%W0.6-0.9%C0.35-0.4%Mn0.3-0.6%Si0.17-0.3%	ГОСТ 4543 - 71
40Х2Н2МА	Feот 94.8%Ni1.35-1.7%Cr1.25-1.6%C0.35-0.4%Mn0.3-0.6%Mo0.2-0.3%Si0.17-0.3%	ГОСТ 4543 - 71
40Х3Г2МФ	Feот 92.1%Cr3.3-3.8%Mn1.3-1.8%Si0.4-0.7%C0.35-0.4%Mo0.3-0.5%V0.1-0.2%	ГОСТ 10543 - 98
40ХГНМ	Feот 95.9%Ni0.7-1.1%Cr0.6-0.9%Mn0.5-0.8%C0.37-0.4%Si0.17-0.3%Mo0.15-0.2%	ГОСТ 4543 - 71
40ХГТР	Feот 96.4%Cr0.8-1.1%Mn0.8-1%C0.38-0.4%Si0.17-0.3%Ti0.03-0.09%B0.001-0.005%	ГОСТ 4543 - 71
40ХМФА	Feот 96.4%Cr0.8-1.1%Mn0.4-0.7%C0.37-0.4%Mo0.2-0.3%Si0.17-0.3%V0.1-0.18%	ГОСТ 4543 - 71
40ХН	Feот 96%Ni1-1.4%Mn0.5-0.8%Cr0.45-0.7%C0.36-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
40ХН2МА	Feот 95.5%Ni1.25-1.6%Cr0.6-0.9%Mn0.5-0.8%C0.37-0.4%Si0.17-0.3%Mo0.15-0.2%	ГОСТ 4543 - 71
40ХС	Feот 95.1%Cr1.3-1.6%Si1.2-1.6%C0.37-0.4%Mn0.3-0.6%	ГОСТ 4543 - 71
40ХФА	Feот 96.6%Cr0.8-1.1%Mn0.5-0.8%C0.37-0.4%Si0.17-0.3%V0.1-0.18%	ГОСТ 4543 - 71
45Г	Feот 97.2%Mn0.7-1%C0.42-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
45Г2	Feот 96.4%Mn1.4-1.8%C0.41-0.49%Si0.17-0.3%	ГОСТ 4543 - 71
45Х	Feот 96.7%Cr0.8-1.1%Mn0.5-0.8%C0.41-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
45Х4В3ГФ	Feот 88.6%Cr3.6-4.6%W2.5-3%Mn0.8-1.2%Si0.7-1%C0.4-0.5%V0.2-0.4%	ГОСТ 10543 - 98
45ХН	Feот 96%Ni1-1.4%Mn0.5-0.8%Cr0.45-0.7%C0.41-0.4%Si0.17-0.3%	ГОСТ 4543 - 71
45ХН2МФА	Feот 94.7%Ni1.3-1.8%Cr0.8-1.1%Mn0.5-0.8%C0.42-0.5%Mo0.2-0.3%Si0.17-0.3%V0.1-0.18%	ГОСТ 4543 - 71
47ГТ	Feот 97%Mn0.9-1.2%C0.44-0.5%Si0.1-0.22%Ti0.06-0.1%	ГОСТ 4543 - 71
50Г	Feот 97.2%Mn0.7-1%C0.48-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
50Г2	Feот 96.4%Mn1.4-1.8%C0.46-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
50Х	Feот 96.6%Cr0.8-1.1%Mn0.5-0.8%C0.46-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
50Х3В10Ф	Feот 82.4%W9-10.5%Cr2.6-3.6%Mn0.8-1.2%C0.45-0.5%Si0.4-0.7%V0.3-0.5%	ГОСТ 10543 - 98
50Х6ФМС	Feот 88.7%Cr5.5-6.5%Mo1.2-1.6%Si0.8-1.2%C0.45-0.5%V0.35-0.5%Mn0.3-0.6%	ГОСТ 10543 - 98
50ХН	Feот 95.9%Ni1-1.4%Mn0.5-0.8%Cr0.45-0.7%C0.45-0.5%Si0.17-0.3%	ГОСТ 4543 - 71
50ХНМ	Feот 95.3%Ni1.4-1.8%Cr0.5-0.8%Mn0.5-0.8%C0.5-0.6%Mo0.15-0.3%	ГОСТ 10543 - 98
Г13А	Feот 82.6%Mn12.5-14.5%C1-1.2%	ГОСТ 10543 - 98
Х6Ф1	Feот 88.8%Cr5.5-7%C1.4-1.7%V0.8-1.2%	ГОСТ 15891 - 70

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