Xi'an Dongmeng Group Co., Ltd. yog ib qho ntawm feem txhim khu kev qha manufacturers thiab lwm tus neeg ntawm 30crmnsia alloy steel nyob rau hauv Tuam Tshoj, kuj txhawb kev pab customized. Nrog kev paub ntau, peb sov siab txais tos koj rau cov lag luam wholesale pheej yig cov khoom hauv Tshuag ntawm no thiab tau txais cov qauv dawb los ntawm peb lub hoobkas. Rau nqe kev sab laj, tiv tauj peb.
30CrMnSiA yog asiab-lub zog qis- hlau alloydav siv nyob rau hauvautomotive, mechanical, thiab industrial applications. Nrogchromium, manganese, thiab silicon yog cov ntsiab lus alloying, nws muabzoo heev tensile zog, toughness, thiab qaug zog kujtom qab quenching thiab tempering.
Nws yog qhov zoo tagnrho raugears, shafts, automotive Cheebtsam, thiab mechanical qhov chawxav tau kev ua haujlwm siab hauv qabhnyav load thiab siab - kev nyuaj siab. Thoob ntiaj teb, nws tau lees paub tias yogSAE 5115 / EN 30CrMnSiA, xyuas kom compatibility nrog thoob ntiaj teb cov qauv kev lag luam.
SEO Keywords Embedded:30CrMnSiA steel, SAE 5115, 30CrMnSiA alloy steel, siab -lub zog qis- alloy steel, quenched thiab tempered steel, zog, ncej, automotive qhov chaw.

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Siab Zoo
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Khoom siv Advanced
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Pab neeg tshaj lij
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Kev Pabcuam Kev Cai
Chemical Composition (%)
| Element | Cov ntsiab lus |
|---|---|
| C | 0.28 – 0.35 |
| Si | 0.17 – 0.37 |
| Mn | 0.50 – 0.80 |
| Cr | 0.80 – 1.10 |
| P | Tsawg dua lossis sib npaug li 0.035 |
| S | Tsawg dua lossis sib npaug li 0.035 |
Mechanical Properties (Tom qab Quenching & Tempering)
| Khoom | Tus nqi |
|---|
| Tensile zog | 900-1100 MPa |
| Yield zog | Ntau dua lossis sib npaug li 720 MPa |
| Elongation | Ntau dua lossis sib npaug li 12% |
| Hardness (HRC) | 28-35 (tom qab tempering) |
Cov yam ntxwv tseem ceeb
High tensile thiab yield zog
Zoo heev toughness thiab qaug zog kuj
Hardenable ntawmquenching thiab tempering
Zoo hnav tsis kam thiab machinability
Haum rausiab - thauj khoom tsheb thiab kev lag luam
Cov txheej txheem kho cua sov
Quenching:830-870 degree, roj lossis dej txias
Tempering:180-220℃rau cov khoom siv kho tshuab; siab dua rau hnav- daim ntaub ntawv tiv taus
Muabzoo hardness, toughness, thiab qaug zog zog
Daim ntawv thov
Automotive tsav shafts thiab axles
Gears thiab gear shafts
Springs thiab torsion bars
Cav Cheebtsam thiab mechanical shafts
Siab -lub zog tshuab qhov chaw
Lub cev muaj zog
| Khoom | Tus nqi |
|---|---|
| Qhov ntom | 7.85 g / cm³ |
| Melting Point | 1420 - 1460 degree |
| Modulus ntawm Elasticity | 210 GPa |
| Thermal conductivity | 42 W/m·K |
| Coefficient ntawm Thermal Expansion | 12 × 10⁻⁶ / degree |
Vuam & Fabrication
Preheating pom zoo ua ntej vuam kom tsis txhob tawg
Txoj kev vuam tsim nyog: TIG, MIG, arc vuam
Tom qab-weld kho cua sov rov qabmechanical zog
International Equivalent Standards
| Tuam Tshoj GB | SAE / AISI | EN / DIN | ISO |
|---|---|---|---|
| 30CrMnSiA | TIAB SA 5115 | 30CrMnSiA | 5115 |
Kev Lag Luam Case Studies
Case 1: Automotive Drive Shafts
Khoom siv:30CrMnSiA alloy hlau (SAE 5115)
Txheej txheem:quenched thiab tempered rau HRC 32–35
Cov txiaj ntsig:Lub zog tensile siab thiab qaug zog ua haujlwm kom ntseeg tauntev -lub sij hawm durability nyob rau hauv siab torque
Qhov tshwm sim:Txo ncej deformation thiab nce kev pab cuam lub neej los ntawm25-30% piv rau 40Cr steel
Case 2: Industrial Gears
Khoom siv:30CrMnSiA alloy hlau
Txheej txheem:Hardened thiab tempered tom qab precision machining
Cov txiaj ntsig: Zoo heev hnav tsis kamExtens iav lifespan nyob rau hauv hnyav -lub luag hauj lwm machinery
Qhov tshwm sim:Iav hnav txo los ntawm20–25%piv rau 42CrMo4 steel
Case 3: Automotive Springs
Khoom siv:30CrMnSiA hlau
Txheej txheem:Thaum tshav kub kub kho rau HRC 30-34
Cov txiaj ntsig:Siab elasticity thiab qaug zog tsis kam tso cai rov ua dua lub voj voog yam tsis muaj deformation mus tas li
Qhov tshwm sim:Maintenance voj voog ncua los ntawm30%, txhim kho tsheb kev ntseeg siab
Kev sib piv
| Feature | 30CrMnSiA (SAE 5115) | 42CrMo4 | 40 Cr | Sau ntawv |
|---|---|---|---|---|
| Hom | Tsawg- alloy chromium hlau | Chromium{0}}molybdenum hlau | Cov pa roj carbon steel | 30CrMnSiA optimized rau toughness & hnav |
| Hardness (HRC) | 28–35 | 28–36 | 20–25 | 30CrMnSiA sib npaug hardness & qaug zog kuj |
| Tensile zog | 900-1100 MPa | 980-1200 MPa | 850-950 MPa | Piv rau 42CrMo4 tab sis zoo dua qaug zog |
| Yield zog | Ntau dua lossis sib npaug li 720 MPa | Ntau dua lossis sib npaug li 740 MPa | Ntau dua lossis sib npaug li 600 MPa | 30CrMnSiA me ntsis zoo dua rau kev siv elastic |
| Hnav Resistance | Siab | Nruab nrab | Nruab nrab | Optimized rau siab -load mechanical qhov chaw |
| Daim ntawv thov | Shafts, Gears, Springs | Ncej, Gears | Ncej, Machinery | 30CrMnSiA zoo tagnrho rau automotive & industrial |
FAQ - 30CrMnSiA Alloy Steel (SAE 5115 / EN 30CrMnSiA)
1️⃣ 30CrMnSiA steel yog dab tsi?
30CrMnSiA yog asiab- zog qis- alloy chromium hlaunrog manganese thiab silicon ua cov ntsiab lus tseem ceeb alloying. Nws muabzoo heev tensile zog, hnav tsis kam, thiab qaug zog kuj, dav siv nyob rau hauvautomotive, mechanical, thiab industrial applications.
2️⃣ Dab tsi yog qhov sib npaug thoob ntiaj teb ntawm 30CrMnSiA?
SAE / AISI: 5115
EN / DIN:30CrMnSiA
ISO: 5115
3️⃣ Puas tuaj yeem 30CrMnSiA hardened?
Yog, nws tuaj yeem ua tauquenched thiab temperedkom ua tiavsiab hardness (28-35 HRC)thiab zoo heev tensile thiab qaug zog zog.
4️⃣ Cov kev siv ntawm 30CrMnSiA steel yog dab tsi?
Automotive tsav shafts thiab axles
Industrial thiab automotive iav
Springs thiab torsion bars
Cav Cheebtsam thiab mechanical shafts
Siab -lub zog tshuab qhov chaw
5️⃣ Puas yog 30CrMnSiA weldable?
Yog, tab sispreheating yog pom zootiv thaiv kev tawg. Ncej -weld tempering rov ua kom tawv thiab lub zog txhua yam. Txoj kev vuam tsim nyog suav nrogTIG, MIG, and arc welding.
6️⃣ Dab tsi yog qhov nyuaj tom qab kev kho cua sov?
Feem ntau28-35 HRC, nyob ntawm quenching thiab tempering tsis.
Kev kho cua sov kom ntseeg tauQhov zoo tshaj plaws ua ke ntawm toughness, hnav tsis kam, thiab qaug zog lub zog.
7️⃣ Yuav tsum 30CrMnSiA yuav ua li cas?
Qhov zoo tshaj plaws machined nyob rau hauvannealed mob.
Hardened Cheebtsam xav tauntse tej cuab yeejthiab tus nqi noj kom raug.
Siv cov coolant thaum lub sij hawm machining los tiv thaiv overheating thiab tswj qhov chaw tiav.
8️⃣ Cov ntawv twg muaj rau 30CrMnSiA?
Round bars, forged tuav, daim hlau, nplooj ntawv, raj, thiab precision Cheebtsam
Springs thiab shafts rau automotive thiab mechanical applications
9️⃣ Qhov zoo ntawm 30CrMnSiA piv rau 42CrMo4 lossis 40Cr yog dab tsi?
Zoo dua toughness thiab hnav tsis kam
Balanced hardness thiab qaug zog kuj
Haum rauhigh-load, siab- cov khoom siv kev ntxhov siab
Pom zoo los ntawm cov qauv thoob ntiaj teb (SAE 5115 / EN 30CrMnSiA)
1️⃣0️⃣ Dab tsi kev lag luam feem ntau siv 30CrMnSiA hlau?
Automotive: tsav shafts, qag, zog, springs
Mechanical engineering: siab -lub zog tshuab qhov chaw, precision shafts
Muaj: iav, torsion tuav, thiab lwm yam siab -load Cheebtsam
Tiv tauj peb
Rau kev nug, kev pab txhawb nqa, lossis cov kev daws teeb meem customized hais txog30CrMnSiA (SAE 5115 / EN 30CrMnSiA) alloy hlaucov khoom, thov hu rau peb pab neeg tshaj lij. Peb muabteb ceev ceev, shipping thoob ntiaj teb, thiab cov kev pabcuam customizedkom tau raws li koj lub tsheb, mechanical, thiab industrial xav tau.
Peb qhov chaw nyob
Room 4107, Runfeng Building, Sanqiao Tshiab Street, Weiyang District, Xi'an City, Shaanxi Province
Xov tooj
+8615769214734
E -mail
office@dongmjd.com

Cim npe nrov: Tuam Tshoj 30crmnsia alloy steel manufacturers, lwm tus neeg, Hoobkas


