GB Q390 B GB/T 1591
Low-Alloy High-Strength phaj steel Khoom Taw qhia
GB Q390 B GB / T 1591 steel feem ntau yog siv rau hauv kev tsim kho thiab kev tsim nkoj, tab sis kuj tseem siv rau ntau yam kev siv, xws li cov khoom siv tsheb thiab cov khoom siv sab nrauv. Cov hlau no tseem tuaj yeem siv rau hauv kev tsheb ciav hlau thiab kev siv cua tshuab. Vim nws cov weldability zoo heev, GB Q390 B GB / T 1591 steel feem ntau siv hauv cov kav dej, cov tso tsheb hlau luam, thiab cov hlab ntsha siab. Lub zog siab rau qhov hnyav piv ntawm cov hlau no ua rau nws tsim nyog rau kev tsim khoom hnyav.
Peb tau koom nrog hauv kev muag khoom steel thiab kev ua haujlwm txij li thaum tsim. peb tau muaj kev paub txog kev muab khoom, tuaj yeem muab kev txhawb zog rau cov neeg siv khoom hauv txhua yam ntaub ntawv hais txogGB Q390 B GB/T 1591, Muab cov khoom zoo GB Q390 B GB/T 1591, cov kev pabcuam zoo,. Peb muaj tag nrho cov kev tswj zoo, logistics system thiab tom qab kev muag khoom system los lav lub du khiav ntawm tag nrho cov txheej txheem. Xaiv peb yog xaiv kom so kom txaus.
Daim ntawv thov:Tsawg alloy siab zog structural steel.
Thaum tshav kub kub kho:1251 degree - 1827 degree .
Low-Alloy High-Strength phaj Khoom Paub meej
GB Q390 B GB/T 1591 Chemical Element
Lub ntsiab alloying ntsiab nyob rau hauv GB Q390 B GB / T 1591 steel yog manganese thiab silicon. Cov ntsiab lus no yog qhov tseem ceeb los tsim kom muaj lub zog tensile xav tau thiab tawm los lub zog ntawm cov khoom. Manganese yog siv rau hauv cov hlau kom muaj zog, hardness, thiab hnav tsis kam ntawm cov khoom. Silicon tsub kom cov electrochemical stability thiab weldability ntawm cov hlau. Lwm cov ntsiab lus alloying kuj tseem tuaj yeem ntxiv me me rau ntau lub hom phiaj.
Carbon, Silicon, Manganese, Phosphorus, Sulfur yog cov ntsiab lus tseem ceeb hauv GB Q390 B GB / T 1591.
Cov pa roj carbon monoxide yog qhov tseem ceeb tshaj plaws hardening nyob rau hauv steel.
Silicon pab txhawb lub zog. Zoo li manganese, silicon yog siv los tswj lub zog ntawm cov hlau thaum lub sij hawm tsim cov hlau.
Manganese yog qhov tseem ceeb ntawm austenite stabilizing cov ntsiab lus pab txhawb kev tsim cov qauv kev ntxhib los mos thiab ua kom muaj zog, lub zog thiab hnav tsis kam.
Phosphorus yog ib qho teeb meem. Txo cov plasticity thiab toughness ntawm steel thiab tshwm txias brittleness. Nws tuaj yeem txhim kho lub zog ntawm cov hlau, thiab txhim kho cov atmospheric corrosion stability. Cov ntsiab lus yuav tsum txwv tsawg dua 0.05%.
Feem ntau cov sulfur yog ib qho teeb meem, uas ua rau cov kub brittleness ntawm steel siab, thiab cov ntsiab lus ntawm sulfur yog txwv tsis pub tsawg tshaj li 0.05%.
| Lub ntsiab | Min | Max | Zoo sib xws |
|---|---|---|---|
| C | - | 0.2000 | - |
| Si | - | 0.5000 | - |
| Mn | - | 1.7000 | - |
| P | - | 0.0350 | - |
| S | - | 0.0350 | - |
| Nb | - | 0.0700 | - |
| V | - | 0.2000 | - |
| Ti | - | 0.2000 | - |
| Cr | - | 0.3000 | - |
| Ni | - | 0.5000 | - |
| Cu | - | 0.3000 | - |
| N | - | 0.0150 | - |
| Mo | - | 0.1000 | - |
GB Q390 B GB/T 1591 Mechanical Properties
GB Q390 B GB / T 1591 steel muaj lub zog tensile siab, feem ntau ntawm 500MPa txog 900MPa. Lub zog tawm los feem ntau yog li ntawm 300MPa txog 600MPa. Cov hlau no kuj muaj qhov cuam tshuam zoo, feem ntau ntawm 15J / cm2 txog 20J / cm2. Cov khoom no ua rau nws tsim nyog siv rau hauv cov khoom siv thauj khoom, xws li txuas hniav thiab cov tsev. Cov hlau no kuj muaj qhov hnav tsis kam, ua rau nws haum rau siv hauv nkoj tsim thiab lwm yam kev siv hnav.
Cov txiaj ntsig yog hais txog kev hloov pauv ntawm GB Q390 B GB / T 1591 los ntawm lub xeev tsis sib xws elastic mus rau lub xeev elastic-yas tom qab ncav cuag qee qhov kev ntxhov siab deformation. Nws cim qhov pib ntawm macro-yas deformation.
Tensile zog (Rm) yog hais txog qhov siab tshaj plaws uas GB Q390 B GB / T 1591 dais ua ntej tawg. Thaum cov hlau yields mus rau ib qho twg, nws tsis kam mus deformation nce ntxiv vim qhov rearrangement ntawm cov nplej. Nyob rau lub sijhawm no, txawm hais tias qhov deformation loj hlob sai, nws tsuas tuaj yeem nce nrog qhov nce ntawm kev ntxhov siab kom txog rau thaum qhov siab tshaj plaws tau mus txog. Tom qab ntawd, GB Q390 B GB / T 1591 muaj peev xwm tiv thaiv kev deformation yog pom tseeb txo qis, thiab cov yas loj deformation tshwm sim ntawm qhov tsis muaj zog tshaj plaws, qhov twg cov seem ntawm cov hnoos qeev ntsws sai sai, ua rau caj dab kom txog thaum tawg. Qhov siab tshaj plaws tus nqi ntawm GB Q390 B GB / T 1591 ua ntej tensile tawg yog hu ua lub zog txwv lossis lub zog tensile.
| Yield Rp0.2(MPa) |
Tensile Rm(MPa) |
Kev cuam tshuam KV/Ku (J) |
Elongation A (%) |
Kev txo qis hauv ntu ntu ntawm pob txha Z (%) |
Raws li-kub-kho mob | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 135 (Ntau dua lossis sib npaug) | 644 (Ntau dua lossis sib npaug) | 21 | 24 | 14 | Kev daws thiab Kev laus, Annealing, Ausaging, Q + T, thiab lwm yam | 322 |
GB Q390 B GB/T 1591 Lub cev muaj zog
Lub cev muaj zog ntawm GB Q390 B GB / T 1591 steel suav nrog kev ua haujlwm siab, tsis muaj qhov hnyav, ruaj khov, ductility thiab tiv thaiv kev yaig.
| Kub (degree) |
Modulus ntawm elasticity (GPa) |
Lub ntsiab lus coefficient ntawm thermal expansion 10-6/( degree ) ntawm 20 (degree) thiab | Thermal conductivity (W / m· degree) |
Tshwj xeeb thermal muaj peev xwm (J / kg · degree) |
Tshwj xeeb hluav taws xob resistivity (Ω mm² / m) |
Qhov ntom (kg/dm³) |
Poisson tus coefficient, ν |
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.22 | - | |||
| 869 | 429 | - | 32.3 | 123 | - | ||
| 446 | - | 31 | 31.2 | 331 | 124 |
Low-Alloy High-Strengtht steel phaj Khoom duab
GNEE Group Photo
Kev cog lus rau kev tswj hwm nruj thiab kev pabcuam rau cov neeg siv khoom, peb muaj cov neeg ua haujlwm paub txog kev npaj ua kom tau raws li koj xav tau thiab ua kom cov neeg siv khoom txaus siab. Peb lav koj zoo nyob hauv Suav teb.
GNEE Group Exhibition Duab
GNEE Group cov neeg siv khoom tuaj xyuas
Yog tias koj muaj kev xav tau ntau ntxiv thiab cov lus nug txog GB Q390 B GB / T 1591 steel, peb zoo siab los qhia koj!
Cim npe nrov: gb q390 b gb/t 1591, Tuam Tshoj gb q390 b gb/t 1591 manufacturers, lwm tus neeg, Hoobkas