SAE4340 Irin Yika Bar ASTM4340 Irin Rod
Awọn ẹya ara ẹrọ
Awọn ohun elo ti 4340 irin igi jẹ alloy igbekale irin.Ni ibamu si German DIN irin ite 36CrNiMo4, French NF boṣewa 40NCD3, Japanese JIS boṣewa SNCM439, British BS boṣewa 816M40, American SAE/ASTM4340, American UNS boṣewa G43400 ， China Standard 40CrNiMoA.
SAE4340 ni a mọ bi alloy igbekale irin tabi irin apapo.Irin naa ni nickel laarin 1.65 ati 2.00, eyiti o ni agbara giga, lile, agbara lile lile, ati iduroṣinṣin lodi si igbona.Sibẹsibẹ, o ni ifamọ giga si awọn aaye funfun ati ibinu ibinu.Agbara kika ti ko dara, to nilo preheating otutu otutu ṣaaju alurinmorin, iderun wahala lẹhin alurinmorin, ati lilo lẹhin tempering.
Standard: ASTM A29 / A29M-2012 tabi SAE J404
Sipesifikesonu
| Erogba C | 0.38 ~ 0.43 |
| Silikoni Si | 0.15 ~ 0.35 |
| Manganese Mn | 0.60 ~ 0.80 |
| Efin S | ≤ 0.030 |
| Phosphorus P | ≤ 0.025 |
| Chromium Cr | 0.60 ~ 0.90 |
| Nickel | 1.65-2.00 |
| Ejò Ku | ≤ 0.025 |
| Molybdenum Mo | 0.20-0.30 |
Darí-ini
| Agbara fifẹ σ b (MPa) | ≥980 |
| Agbara ikore σ s (MPa) | ≥835 |
| Oṣuwọn gigun δ 5 (%) | ≥12 |
| Idinku agbegbe ψ (%) | ≥55 |
| Agbara ipa Akv (J) | ≥ 78 |
| Iwọn ipa ti o lagbara α kv (J/cm2) | ≥98 |
Ooru itọju ni pato
Pa ni 850 ℃, epo tutu;Ibinu ni 600 ℃, omi tutu, epo tutu.
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 nitrating:
-Eru ẹrọ pẹlu ga fifuye àye
-Ọpa kẹkẹ pẹlu iwọn ila opin ti o tobi ju 250mm
-Awọn ẹrọ iyipo ti ọkọ ofurufu
- Awọn ọpa tobaini, awọn abẹfẹlẹ, ati awọn paati gbigbe fifuye giga ti ẹrọ turbojet kan
- Crankshaft fasteners, jia, ati be be lo.
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
Package
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
