Lintlha tsa tekheniki
2. Tlhaloso e nepahetseng ea AISI 5140 le Mekhahlelo e Tšoanang ea tšepe
| Naha |
usa |
Sejeremane |
Japane |
| Standard |
ASTM/AISI A29 |
EN 10083-3 |
JIS G4053 |
| Mephato |
5140 |
41Kr4 |
SCr440 |
3. ASTM 5140 Sebopeho sa Lik'hemik'hale sa Lintho tse Ntle le se lekanang
| Standard |
Kereiti/Nomoro ea tšepe |
C |
Mong |
P |
S |
Si |
Kr |
Ni |
| ASTM A29 |
5140 |
0.38-0.43 |
0.70-0.90 |
≤0.035 |
≤0.040 |
0.15-0.35 |
0.70-0.90 |
- |
| EN 10083-3 |
41Cr4 / 1.7035 |
0.38-0.45 |
0.60-0.90 |
≤0.025 |
≤0.035 |
≤0.40 |
0.90-1.20 |
- |
| JIS G4053 |
SCr440 |
0.38-0.43 |
0.60-0.90 |
≤0.030 |
≤0.030 |
0.15-0.35 |
0.90-1.20 |
≤0.25 |
4. Lintho tsa tšepe tsa AISI 5140
| Thepa |
Boleng ba metric unit |
Boleng ba yuniti ea US |
| Botenya |
7.872 *10³ |
kg/m³ |
491.4 |
lb/ft³ |
| Modulus ea elasticity |
205 |
GPA |
29700 |
ksi |
| Katoloso ea mocheso (20 ºC) |
12.6*10-6 |
ºCˉ¹ |
7.00*10-6 |
ka/(ka* ºF) |
| Matla a khethehileng a mocheso |
452 |
J/(kg*K) |
0.108 |
BTU/(lb*ºF) |
| Thermal conductivity |
44.7 |
W/(m*K) |
310 |
BTU*ka/(hr*ft²*ºF) |
| Restivity ea motlakase |
2.28*10-7 |
Ohm*m |
2.28*10-5 |
Ohm*cm |
| Matla a tsitsipano (a anneal) |
572 |
MPa |
83000 |
psi |
| Matla a chai (a annealed) |
293 |
MPa |
42500 |
psi |
| Elongation (e khabisitsoe) |
29 |
% |
29 |
% |
| Ho thatafala (annealed) |
85 |
RB |
85 |
RB |
| Matla a tsitsitseng (a tloaelehileng) |
793 |
MPa |
115000 |
psi |
| Matla a chai (a tloaelehileng) |
472 |
MPa |
68500 |
psi |
| Elongation (e tloaelehileng) |
23 |
% |
23 |
% |
| Ho thatafala (ho tloaeleha) |
98 |
RB |
98 |
RB |
5. Ho etsoa ha 5140 Alloy Steel
Mocheso o chesang oa ho etsa: 1050-850 ℃.
6. ASTM 5140 Steel Heat Treat
Chesa ho 680-720 ℃, pholile butle. Sena se tla hlahisa boima bo boholo ba 5140 ba 241HB (Brinell hardness).
- Noramlizing ea tšepe grade 5140
Mocheso: 840-880 ℃.
- Ho thatafala ha tšepe ea 5140 e entsoeng
Ho thatafala ho tloha mocheso oa 820-850, 830-860 ℃ o lateloa ke ho tima metsi kapa oli.
- Ho futhumatsa lisebelisoa tsa SAE 5140
Mocheso oa mocheso: 540-680 ℃.
7. Likopo tsa AISI Kereiti 5140
AISI 5140 tšepe e ka sebelisoa bakeng sa likarolo tse tlase le tse hatelitsoeng ka mokhoa o itekanetseng bakeng sa likoloi, lienjineri le mechine moo ho leng thata, ho roala ho hanyetsa holimo ho hlokahalang. Ho thatafala ha bokaholimo ho ile ha thatafala hoo e ka bang 54 HRC. Litšepe tsa SAE 5140 le tsona e ka ba tsa indasteri ea boenjiniere ba metsing, limela tsa ho lokisa lik'hemik'hale, likepe tsa boiler & khatello, lifeme tsa matla a nyutlelie joalo-joalo.
Haeba u na le lipotso mabapi le 5140 specs, kapa lipotso leha e le life mabapi le 5140 vs 4130, 5140 vs 4340 joalo-joalo, ka kopo ikopanye le rona bakeng sa tšehetso ea tekheniki neng kapa neng.
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