Khoom Parameters
Alloy Structure Seamless Steel Pipes
Khoom siv thiab Specification
38CrMoAl yog cov qauv hlau alloy uas muaj qhov tawv tawv siab, hnav tsis kam, thiab qaug zog. GB / T 3077 qhia cov kev cai rau cov hlau alloy no, suav nrog cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab cov khoom siv lub cev.
Ntsiab nta
Siab zog
Muaj zog toughness
Zoo heev hnav tsis kam
High deg hardness
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm GB / T 3077 38CrMoAl alloy qauv seamless steel kav yog raws li nram no:
| Element | Kev sib xyaw (%) |
| C | 0.35-0.42 |
| Si | 0.20-0.50 |
| Mn | 0.30-0.60 |
| Cr | 1.35-1.65 |
| Mo | 0.15-0.25 |
| Al | 0.70-1.10 |
Mechanical Properties
Cov khoom siv kho tshuab ntawm GB / T 3077 38CrMoAl alloy qauv seamless steel kav tau piav qhia hauv qab no:
| Khoom | Tus nqi |
| Tensile zog | 980-1180 MPa |
| Yield zog | 785mpa ua |
| Elongation | 11% |
| Kev txo qis ntawm cheeb tsam | 45% |
| Impact toughness | 78-98 J / cm² |
Lub cev muaj zog
Lub cev muaj zog ntawm GB / T 3077 38CrMoAl alloy qauv seamless steel kav yog raws li nram no:
| Khoom | Tus nqi |
| Qhov ntom | 7.85 g / cm³ |
| Melting point | 1420 degree |
| Thermal conductivity | 42.7 W/m·K |
Txheej Txheem Kev Ua Haujlwm
GB/T 3077 38CrMoAl alloy structural seamless steel yeeb nkab muaj kev ua haujlwm zoo, suav nrog kev ua haujlwm zoo thiab kev ua haujlwm zoo. Cov khoom siv tau yooj yim rau kev kho cua sov kom tau txais cov khoom siv kho kom zoo, thiab tom qab kev kho saum npoo xws li nitriding, hnav tsis kam thiab hardness tuaj yeem txhim kho ntxiv.
Steel Qib thiab Daim Ntawv Thov
Qhov zoo tshaj plaws hnav, kub, thiab corrosion kuj ntawm 38CrMoAl steel ua rau nws zoo tagnrho rau ntau yam ntawm cov khoom siv kho tshuab, suav nrog cov iav, ncej, thiab hnyav- cov khoom siv ua haujlwm. Nws lub zog siab thiab toughness yog zoo meej rau cov ntawv thov kom muaj kev ntxhov siab thiab puas ntsoog.
Cov qhab nia xaiv tau
Qee zaum, lwm qib uas tuaj yeem suav tias yog hloov pauv rau 38CrMoAl suav nrog 40Cr, 42CrMo, thiab 35CrMo. Cov qhab nia no muaj cov khoom zoo sib xws thiab yuav raug siv los ua lwm txoj hauv kev raws li kev thov tshwj xeeb.
Hauv kev xaus, GB / T 3077 38CrMoAl alloy qauv seamless steel kav muaj kev sib xyaw ua ke ntawm lub zog siab, tawv, thiab kev ua haujlwm zoo heev, ua rau lawv tsim nyog rau ntau yam kev lag luam.
Khoom Qhia
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