SAE8620H Irin Yika Pẹpẹ / GB 20CrNiMo Irin igi
Awọn ẹya ara ẹrọ
8620 irin alloy ti o wa ninu (ni ọna ti o sọkalẹ ti ipin ogorun) irin, carbon, silicon, molybdenum, manganese, nickel, chromium, sulfur ati irawọ owurọ.Awọn eroja eroja wọnyi gbọdọ wa laarin awọn ipin ogorun iwuwo lati ṣẹda alloy 8620.A ṣe iṣeduro pe irin naa jẹ lile nipasẹ carburization ti o tẹle pẹlu epo kan, ni idakeji si omi, quench.O ni iwuwo iwuwo deede fun awọn ohun elo irin ni .28 lb. fun square inch, botilẹjẹpe agbara fifẹ rẹ - iye iwuwo ti o le mu ṣaaju fifọ - jẹ kekere, ni 536.4 Mpa.Apapọ agbara fifẹ ti awọn ohun elo irin jẹ 758 si 1882 Mpa.
Nigbati 8620 alloy ti wa ni carburized daradara - kikan si iwọn otutu ti o ṣeto ati lẹhinna farahan si oluranlowo ti o ni erogba, ilana kan ti o ṣafikun afikun Layer ti erogba si ita ti irin, nitorinaa jẹ ki o ni okun sii - o lo lati ṣe iru ẹrọ bẹ. awọn ẹya ara bi jia, crankshafts, ati jia oruka.Carburized 8620 alloy lagbara ati ti o tọ, eyiti o jẹ idi ti o fẹ fun awọn ẹya wọnyi.
Standard: ASTM A29 / A29M-2012
Kemikali tiwqn
| Erogba C | 0.17 ~ 0.23 |
| Silikoni Si | 0.15 ~ 0.35 |
| Manganese Mn | 0.65 ~ 0.95 |
| Efin S | ≤ 0.025 |
| Phosphorus P | ≤ 0.025 |
| Chromium Cr | 0.35 ~ 0.65 |
| Nickel | 0.35-0.65 |
| Ejò Ku | ≤ 0.025 |
| Molybdenum Mo | 0.15-0.25 |
Darí-ini
| agbara fifẹ σ b (MPa) | ≥980(100) |
| agbara ikore σ s (MPa) | ≥785(80) |
| elongation δ 5 (%) | ≥9 |
| Idinku agbegbe ψ (%) | ≥40 |
| Agbara ipa Akv (J) | ≥ 47 |
| Iwọn ipa ti o lagbara α kv (J/cm2) | ≥59(6) |
| Lile | ≤ 197HB |
| Ilana | EAF+LF+VOD+Itọju Ooru+Fed+(iyan) |
| IGBAGBÜ | |
| Yika | 10mm to 360mm |
| IDODO Ipari | Dudu, Peeled (K12), Tutu Yiya, Titan & Didan (H10, H11), Ilẹ Itọye (H9, H8) |
Ooru Itọju
| Ṣiṣẹ gbona | 850-1150oC |
| Ọran lile | Double hardeningoC |
| Carburising | 900-950oC |
| Annealing rirọ | 650-700oC |
| Dada líle | 800-930oC |
| Ìbínú | 150-210oC |
| Idanwo Ultrasonic | Ni ibamu si SEP 1921-84 |
Iwe-ẹri Didara: ti a fun ni Gẹẹsi, ni afikun awọn ofin deede, ilana iṣelọpọ, ohun-ini ẹrọ (agbara ikore, agbara fifẹ, elongation ati líle), ipin eke, abajade idanwo UT, iwọn ọkà, awọn ọna itọju ooru ati apẹẹrẹ ti jẹ han lori Iwe-ẹri Didara.
Siṣamisi: Ooru No. yoo jẹ tutu ontẹ ati Irin ite, iwọn ila opin (mm), ipari (mm), ati olupese LOGO ati iwuwo (kg) ti wa ni ya.
Awọn Ilana dọgba
| ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
| 86208620H | SNCM220 | 1.6523 | 1.6523 | 1.6523 | ------ | 20CrNiMo |
SAE8620H Irin Pẹpẹ Ohun elo
Ti a lo fun iṣelọpọ awọn ẹya pataki pẹlu agbara giga ati ṣiṣu ṣiṣu to dara, ati fun iṣelọpọ awọn ẹya pataki pẹlu awọn ibeere iṣẹ ṣiṣe pataki lẹhin itọju nitriding:
Awọn arbors ti o wuwo, bushings, Awọn ọmọlẹyin Cam, wọ awọn pinni, bearings, sprockets, gears and shafts, Clutch Dogs, Compressor Bolts, Extractors, Fan Shafts, Heavy Duty Gears, Pump Shafts, Sprockets, Tappets, Wear Pins, Wire Guides etc. Tabi o le ṣee lo fun awọn ohun elo fifẹ giga ti ko ni agbara ṣugbọn nipasẹ lile ati ibinu.O ti wa ni lilo lọpọlọpọ nipasẹ gbogbo awọn apa ile-iṣẹ fun awọn paati ati awọn ọpa ti o nilo resistance yiya dada giga, agbara mojuto giga ati awọn ohun-ini ipa.
Package
1.By awọn edidi, kọọkan lapapo àdánù labẹ 3 toonu, fun kekere lodeigi ila opin yika, idii kọọkan pẹlu awọn ila irin 4 - 8.
Eiyan ẹsẹ 2.20 ni iwọn, ipari labẹ 6000mm
3.40 ẹsẹ eiyan ni iwọn, ipari labẹ 12000mm
4.By olopobobo ọkọ, Ẹru idiyele jẹ kekere nipasẹ ẹru nla, ati nlaawọn iwọn eru ko le ṣe kojọpọ sinu awọn apoti le sowo nipasẹ ẹru olopobobo
Didara ìdánilójú
1. Ti o muna ni ibamu si Awọn ibeere
2. Ayẹwo: Ayẹwo wa.
3. Idanwo: Iyọ sokiri igbeyewo / Idanwo tensile / Eddy lọwọlọwọ / Kemikali tiwqn igbeyewo gẹgẹ bi ibeere awọn onibara
4. Iwe-ẹri: IATF16949, ISO9001, SGS ati be be lo.
5. EN 10204 3.1 Iwe-ẹri
