4340 Chrome Moly Round Bars
AISI 4340 alloy puag ncig bar yog cov qauv hlau alloy, kev ua raws li tus qauv ASTM A29 / A29M-04. siab zog, toughness thiab zoo heev hardenability thiab tsis kam mus overheating stability, tab sis lub ntsiab lus dawb ntawm siab rhiab heev, tempering brittleness. Weldability tsis zoo, kub preheating yuav tsum tau ua ntej vuam, kev ntxhov siab yuav tsum tau tom qab vuam, tom qab tempering.
4340 Alloy Steel Round Bar Chemical Composition
| % | Fe | Ni | Cr | Mn | C | Mo | Si | S | P |
|---|---|---|---|---|---|---|---|---|---|
| Min | 95.195 | 1.65 | 0.70 | 0.60 | 0.37 | 0.20 | 0.15 | - | - |
| Max | 96.33 | 2 | 0.90 | 0.80 | 0.43 | 0.30 | 0.30 | 0.04 | 0.035 |
4340 Alloy Round Stock Steel Mechanical Property
| Mechanical & Physical Properties | 21.1°C dej | 100 degree | 204.4 hli | 315.6 hli | 400 degree | 5 37,8d | 6 48,9d | 700 degree | 760 degree | 815 degree | 870 degree | 982 degree |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qhov kawg Tensile Strength / MPa | 792 | - | - | - | - | 726 | 473 | - | 286 | - | 139 | 66 |
| 0.2% Yield Strength /MPa | 407 | - | - | - | - | 363 | 275 | - | 152 | - | 68 | 31 |
| Txo thaj tsam% | - | - | - | - | - | - | - | - | - | - | - | - |
| Elongation% | 31 | - | - | - | - | 27 | 32 | - | 75 | - | 90 | 91 |
| 1,000 hr Rupture Strength | - | - | - | - | - | - | 83 | 47 | 26 | 15 | 8.3 | - |
| Coefficient ntawm Thermal Expansion /µm / m degree ** | - | 11 | 12.7 | 13.4 | 13.9 | 14.3 | 15 | 15.4 | - | 16.5 | 17.1 | 18.2 |
| Thermal conductivity / kcal / (hr.m. degree) ** | 10.06 | - | - | - | - | - | - | - | - | - | - | - |
| Modulus ntawm Elasticity / GPa | 221 | 216 | 210 | 203 | 197 | 190 | 181 | 173 | - | 165 | 153 | 140 |
4340 Round Bar Tshuag Khoom Daim Ntawv Thov
4340 puag ncig bar tuaj yeem siv los ua cov kev xav tau ntawm kev ua tau zoo, lub zog siab, nrog rau qhov loj ntawm qhov tseem ceeb ntawm cov khoom siv, xws li cov tshuab hnyav, cov khoom siv siab, lub cheeb ntawm ntau tshaj 250mm turbine shafts, nyoob hoom qav taub rotor shafts, turbojet cav, turbine shafts, hniav, siab load kis tau tus mob, crankshaft fasteners, zog, thiab lwm yam .; kuj tseem siv tau rau kev khiav hauj lwm kub ntawm ntau tshaj 400 degree ntawm rotor shafts thiab hniav, thiab lwm yam .; tab sis kuj tuaj yeem ua tau nitrided, siv los tsim cov khoom tseem ceeb ntawm cov kev ua haujlwm tshwj xeeb hauv qhov ntsuas kub qis lossis isothermal quenching rau kev siv ultra-high-strength steel.
4340 Round Hlau Bar Khoom Duab
GNEE Group Photo
GNEE Pab Pawg Neeg Tuaj Saib
Peb muaj cov neeg ua haujlwm pabcuam hauv online. Yog tias koj muaj lus nug txog 4340 Chrome Moly Round Bars, thov xa peb cov lus nug thiab peb yuav teb rau koj hauv ib hnub ua haujlwm.