Poleiti ea Tšepe ea 4340
Tlhaloso e Khutšoanyane:
Lipoleiti tsa tšepe tsa 4340 hangata li hlahisoa ka mekhoa ea ho phutholla e chesang kapa e batang 'me li fumaneha ka botenya le litekanyo tse fapaneng. Lipoleiti hangata li fanoa li le boemong bo tloaelehileng kapa bo halefileng ho eketsa matla le ho tiea ha tsona.
Lipoleiti tsa tšepe tsa 4340 li sebelisoa haholo liindastering tse hlokang thepa e matla le e tšoarellang. Li fumana lits'ebetso libakeng tsa lifofane, likoloi, oli le khase, mechini le mafapheng a mang a boenjiniere. Ts'ebeliso e 'ngoe e tloaelehileng ea lipoleiti tsa tšepe tsa 4340 e kenyelletsa tlhahiso ea li-gear, li-shaft, li-crankshaft, lithupa tse hokahanyang, likarolo tsa lisebelisoa, le likarolo tsa sebopeho tse tlas'a khatello e phahameng le moroalo o matla.
| Litlhaloso tsa Poleiti ea Tšepe ea 4340 |
| Tlhaloso | SAE J404, ASTM A829 / ASTM A6, AMS 2252/ 6359/ 2301 |
| Sehlopha | AISI 4340/ EN24 |
| Litšebeletso tse Ekelitsoeng Boleng |
|
| Chate ea botenya ba 4340 Plate |
| Botenya ba tekanyo bo ka lisenthimithara | ||
| 0.025″ | 4″ | 0.75″ |
| 0.032″ | 3.5″ | 0.875″ |
| 0.036″ | 0.109″ | 1″ |
| 0.04″ | 0.125″ | 1.125″ |
| 0.05″ | 0.16″ | 1.25″ |
| 0.063″ | 0.19″ | 1.5″ |
| 0.071″ | 0.25″ | 1.75″ |
| 0.08″ | 0.3125″ | 2″ |
| 0.09″ | 0.375″ | 2.5″ |
| 0.095″ | 0.5″ | 3″ |
| 0.1″ | 0.625″ | |
| Mefuta e Tloaelehileng ea Lipoleiti tsa Tšepe tse 4340 |
 Poleiti ea AMS 6359 |  Poleiti ea Tšepe ea 4340 |  Poleiti ea Tšepe ea Aq ea EN24 |
 Leqephe la Tšepe la 4340 |  Poleiti ea 36CrNiMo4 |  Poleiti ea DIN 1.6511 |
| Sebopeho sa Lik'hemik'hale sa Letlapa la Tšepe la 4340 |
| Sehlopha | Si | Cu | Mo | C | Mn | P | S | Ni | Cr |
4340 | 0.15/0.35 | 0.70/0.90 | 0.20/0.30 | 0.38/0.43 | 0.65/0.85 | 0.025 max. | 0.025 max. | 1.65/2.00 | 0.35 max. |
| LIKEREITI TSE LEKANANG TSALeqephe la Tšepe la 4340 |
| AISI | Mosebetsi | BS 970 1991 | BS 970 1955 EN |
| 4340 | 1.6565 | 817M40 | EN24 |
| 4340 Mamello ea Lintho tse bonahalang |
| E teteaneng, lisenthimithara | Mefuta ea Mamello, lisenthimithara. | |
| 4340 Annealed | Hodimo – 0.5, ntle le. | +0.03 Inch, -0.01 Inch |
| 4340 Annealed | 0.5 – 0.625, ntle le. | +0.03 Inch, -0.01 Inch |
| 4340 Annealed | 0.625 – 0.75, ntle le. | +0.03 Inch, -0.01 Inch |
| 4340 Annealed | 0.75 – 1, ntle le. | +0.03 Inch, -0.01 Inch |
| 4340 Annealed | 1 – 2, ntle le. | +0.06 Inch, -0.01 Inch |
| 4340 Annealed | 2 - 3, ntle le. | +0.09 lisenthimithara, -0.01 lisenthimithara |
| 4340 Annealed | 3 – 4, ntle le. | +0.11 Inch, -0.01 Inch |
| 4340 Annealed | 4 - 6, ntle le. | +0.15 Inch, -0.01 Inch |
| 4340 Annealed | 6 - 10, ntle le. | +0.24 Inch, -0.01 Inch |
| Hobaneng re Khetha |
1. O ka fumana thepa e phethahetseng ho latela tlhoko ea hau ka theko e tlase ka ho fetisisa.
2. Re boetse re fana ka litheko tsa Reworks, FOB, CFR, CIF, le tsa ho isa thepa ka ntlo le ntlo. Re u eletsa hore u etse theko e tlase bakeng sa ho romella thepa.
3. Thepa eo re fanang ka eona e ka netefatsoa ka botlalo, ho tloha setifikeiting sa teko ea thepa e tala ho isa polelong ea ho qetela ea litekanyo. (Litlaleho li tla hlaha ha ho hlokahala)
4. Tiisetso ea ho fana ka karabo nakong ea lihora tse 24 (hangata ka hora e le 'ngoe)
5. O ka fumana mekhoa e meng ea setoko, ho isa thepa ka mochini ka ho fokotsa nako ea tlhahiso.
6. Re inehetse ka botlalo ho bareki ba rona. Haeba ho ke ke ha khoneha ho fihlela litlhoko tsa hau kamora ho hlahloba likhetho tsohle, re ke ke ra u khelosa ka ho etsa litšepiso tsa bohata tse tla theha likamano tse ntle le bareki.
