Asi 4130 nima?
1.AISI 4130 steel manufacturer and exporter, providing round, square, flat, block and shaft etc. AISI 4130 steel is defined as a low alloy steel containing 1% Cr and 0.2% Mo as strengthening alloying elements. It provides good strength, toughness, corrosion resistance and Mash-. AISI 4140 bilan taqqoslaganda, uglerod tarkibi past, {}} asi. asi {}} aisi 207-235} QARShI SAQLASH VA XO'LTASIDA TEXNIKA KO'RSATISh MUMKIN.
2. Kimyoviy tarkibi
| Standart | Baho | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Mo (%) |
|---|---|---|---|---|---|---|---|---|
| En10083 | 25cro4 (1.7218) | 0.22-0.29 | 0,40 dan kam yoki teng | 0.60-0.90 | 0,025 dan kam yoki unga teng | 0,035 dan kam yoki unga teng | 0.90-1.20 | 0.15-0.30 |
| ASTM A29 | 4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0,035 dan kam yoki unga teng | 0,040 dan kam yoki unga teng | 0.80-1.10 | 0.15-0.25 |
| Jis g4105 | SCM430 | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | 0,035 dan kam yoki unga teng | 0,040 dan kam yoki unga teng | 0.90-1.20 | 0.15-0.30 |
| Gb 3077 | 30crmo | 0.26-0.34 | 0.17-0.37 | 0.40-0.70 | 0,035 dan kam yoki unga teng | 0,035 dan kam yoki unga teng | 0.80-1.10 | 0.15-0.25 |
3. Jismoniy xususiyatlari
| Mulk | Qiymati |
|---|---|
| Zichlik (g / sm³) | 7.85 |
| Erish nuqtasi (daraja) | 1432 |
| Poissonning nisbati | 0.27-0.30 |
| Mashino'llik (AISI 1212 100%) | 70% |
| O'ziga xos tortishish kuchi | 7.8 |
| Issiqlik o'tkazuvchanligi (V / · k)) | 46 |
| Zo'rlikdagi egiluvchanlik moduli (GPA) | 29 |
4. Mexanik xususiyatlar
| Baho | Zinarli kuch (MPA) | Kuch berish kuchi (MPA) | Cho'zish (%) | Qattiqlik (HBW) | Ta'sir Charpy-V, -18 Dilim (j) |
|---|---|---|---|---|---|
| 60K | 586 dan katta yoki unga teng | 414 dan katta yoki teng | 18 dan katta yoki unga teng | 174-237 | 42 dan katta yoki teng |
| 75K | 655 dan katta yoki teng | 517 dan katta yoki unga teng | 17 dan katta yoki unga teng | 197-235 | 42 dan katta yoki teng |
5. Shish
4130 po'latdan keyin 950 daraja 950 daraja 950 darajadan pastga, eng yaxshi isitma berish kerak. Foring .}
6. normallashtirish
Normallashtirish Forbile-ning normal holatini normallashtirish uchun, 4130 dona OSISni normallashtirish va parvarishlashning normallash vositasi . darajalar . darajalar {{}} darajalar {. ajoyib tarzda to'ldirish uchun ishlatiladi . . hali ham havo .
7. Ennealing
AISI 4130 po'lat stressni yo'q qilish va -850 . pechada asta-sekin salqin bo'lishi kerak .
8. QARShING
Ushbu issiqlik bilan kasallanishni qondirish, yuzaga keladigan qattiqlik va kuchni ko'paytirish uchun -890 aisionni to'liq isitib oling va .} .} .} bilan bir vaqtda bajarilishi kerak .
9. chayqash
Tempere Qattiq va mexanik xususiyatlarini haroratda 25 mm ball uchun 2 soat davomida ushlab turilgan bo'lsa, uni 25 mm ga ko'tariladi. Temper haroratni pasaytiradi, . kuchlari . kuchlari . kuchlari oralig'ida, bu oralig'ida bo'lgani kabi, bu oraliqning kuchayishi uchun . ta'sirini keskin kamaytiradi .
10. Ilovalar
4130 po'latdan keyin 4130 po'latning odatiy apparati, nasos va mudofaa sohalaridagi sohalarda, masalan, payvandlangan varaqlar, gidravlik vositalar, gidravik vositalar, gidravlik asboblar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravlik vositalar, gidravik vositalar, gidravlik vositalar, gidravlik vositalar, armatura va boshqalar kabi sohalarda ham kechirish sifatida foydalanish mumkin . . . . . . .
