SU177083A1 - Steel for making surface-hardened parts - Google Patents
Steel for making surface-hardened partsInfo
- Publication number
- SU177083A1 SU177083A1 SU691215A SU691215A SU177083A1 SU 177083 A1 SU177083 A1 SU 177083A1 SU 691215 A SU691215 A SU 691215A SU 691215 A SU691215 A SU 691215A SU 177083 A1 SU177083 A1 SU 177083A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- steel
- making surface
- silicon
- manganese
- hardened parts
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title description 6
- 239000010959 steel Substances 0.000 title description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 230000001105 regulatory Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching Effects 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium(0) Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
Известны стали, содержащие хром, марганец , кремний. Предложенпа сталь отличаетс от известных тем, что, с целью получени регламеитнрованной прокаливаемости и мелкозернистой структуры, содержание хрома, кремни и марганца ограничивают так, что один из этих компонентов зависит определенным образом от двух других, а именно: при содержании хрома 0,3-1,8% содержание марганца должно быть не более 0,2%, кремни 0,17-0,27о/о; при содержании марганца 0,3-1,4%-хрома не более 0,15%, а кремни не более 0,17; при содержании кремни 0,3-1,4%-хрома не более 0,150/0, а Аарганиа ие более 0,2%. Модифицирование осуществл ют присадкой алюмини или алюмини и титана, или ванади . Стал) иредназиачаетс дл т желонагруженных деталей (например, полуосей, торсионов и др.), упрочн емых поверхностной закалкой при глубинном индукционном нагреве. В процессе термической обработки рабочий элемент детали (например, стержень полуоси) нагревают до-закалочной температуры насквозь , а затем охлал дают потоком воды. В результате такой обработки, вследствие регламентированной , прокаливаемости, на поверхности детали достигаетс закаленный (мартенситный) слой высокой прочности ( , -220-2-Ю , R 56-62) и упрочненна , но более в зка сердцевина ( 130 кг/мм, R, 28-38), имеюща структуру троостита и сорбита закалки. Различи в структурном состо нии различных зон иоперечного сечени детали обусловливают наличие в поверхностных сло х сжимающих напр жений, значительно повыщающих усталостную прочность изделий, обработанных описанным способом. Детали, изготовленные из сталей с регламентированной ирокаливаемостью и подвергнутые новерхностной закалке при глубинном нагреве, отличаютс высокой статической и усталостной прочностью. Предмет изобретени Сталь дл изготовлени поверхностно-упрочн емых деталей, содержаща углерод 0,4- ,2%, марганец, кремний и хром, отличающа с тем, что, с целью получени регламентированной прокаливаемости, один из трех легирующих элементов ввод т в сталь в определенных пределах, а содержание двух других ограничивают, например, при содержании марганца 0,3-1,4%-хрома це более 0,15%, а крел1ни не более 0,17%, при содержании кремни 0,3-1,4% -хрома не более 0,15%, а марганца не более 0,2% и при содержании хрома 0,3-1,8% -марганца не более 0,2%, а кремни 0,17-0,27%.Known steel containing chromium, manganese, silicon. The steel differs from the known ones in that, in order to obtain a regulated hardenability and fine-grained structure, the content of chromium, silicon and manganese is limited so that one of these components depends in a certain way on the other two, namely, when the chromium content is 0.3-1 , 8% manganese content should be no more than 0.2%, silicon 0.17-0.27o / o; when the manganese content is 0.3-1.4%, chromium is not more than 0.15%, and silicon is not more than 0.17; when the silicon content is 0.3-1.4%, chrome is not more than 0.150 / 0, and Aargania is not more than 0.2%. The modification is carried out with aluminum or aluminum and titanium or vanadium. It has become erednaya for t zhelonagruzhennyh parts (for example, semi-axes, torsions, etc.), strengthened by surface quenching during deep induction heating. In the process of heat treatment, the working element of the part (for example, the rod of the half-line) is heated to a quench-through temperature through, and then cooled to give a stream of water. As a result of this treatment, due to the regulated hardenability, a hardened (martensitic) layer of high strength (, -220-2-S, R 56-62) and strengthened, but more viscous core (130 kg / mm, R , 28-38), having the structure of troostite and sorbitol quenching. The differences in the structural state of the various zones and the cross section of the part determine the presence in the surface layers of compressive stresses, which significantly increase the fatigue strength of the products treated by the method described. Parts made of steels with regulated microscopic and subjected to surface hardening under deep heating are distinguished by high static and fatigue strength. The subject of the invention Steel for the manufacture of surface-hardened parts, containing carbon 0.4-, 2%, manganese, silicon and chromium, characterized in that, in order to obtain a regulated hardenability, one of the three alloying elements is introduced into the steel in certain the limits, and the contents of the other two are limited, for example, when the manganese content is 0.3-1.4%, chromium tse is more than 0.15%, and the gain is not more than 0.17%, when the silicon content is 0.3-1.4% -chrome is not more than 0.15%, and manganese is not more than 0.2% and when the chromium content is 0.3-1.8%, manganese is not more than 0.2%, and silicon is 0.17-0.27%.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU177083A1 true SU177083A1 (en) | 1965-12-01 |
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