Dab tsi yog qhov sib npaug ntawm ASTM A537 Class 1?
SA537 Chav Kawm 1yog hais txog ASTM A537/ASME SA537 Class 1 steel daim hlau, lub tshav kub- kho, normalized carbon-manganese-silicon steel tshwj xeeb tsim los rau fusion-welded boilers, siab hlab ntsha, thiab cia tank, muab siab zog, toughness, thiab zoo weldability nyob rau hauv cov ntaub ntawv, roj thiab roj. Cov yam ntxwv tseem ceeb suav nrog nws cov xwm txheej zoo li qub, txhim kho cov txiaj ntsig / tensile lub zog tshaj cov qib txheem, thiab tsim nyog rau nruab nrab qhov kub thiab txias, nrog rau Charpy V-qhov ntsuas qhov ntsuas rau qis- kub toughness.
Qhov sib npaug ntawm ASTM A537 Chav Kawm 1 hauv cov qauv thoob ntiaj teb yog nyob ntawm qhov sib txuam ntawm cov khoom tseem ceeb: kev kho cua sov kom zoo, lub zog tawm los (~ 345 MPa), thiab zoo qis - kub toughness.
Primary Direct Equivalents
| Txuj | Qib sib npaug | Xwm Txheej & Lus Ceeb Toom |
|---|---|---|
| EN (Tebchaws Europe) | TS EN 10028-3: P355Nlos yogP355NL1 | P355N: Normalized fine-grain steel rau cov hlab ntsha siab. P355NL1: Normalized, nrog guaranteed cuam tshuam toughness ntawm -50℃(-58℃F). |
| ISO | ISO 9328-3: P355N | Raws li tus qauv EN. |
| JIS (Japanese) | JIS G 3115: SPV 355 | Normalized steel rau cov hlab ntsha siab, nrog zoo sib xws lub zog thiab toughness. |
| GB (Tuam Tshoj) | GB 713: Q345R | Feem ntau Suav siab hlab ntsha steel. Rau qhov sib npaug ze dua, qhia qhov xwm txheej zoo li qub thiab ntsuas qhov cuam tshuam ntxiv ntawm qhov kub qis. |
Cov ntsiab lus tseem ceeb ntawm "Equivalence"
Tsis yog 1: 1 Hloov:Tshuaj muaj pes tsawg leeg thiab kev xeem yuav tsum tau sib txawv me ntsis. Tag nrho qhov sib npaug yuav tsum tau tshuaj xyuas cov khoom siv kho tshuab thiab cov lej tsim.
Kev pom zoo Code:Rau ASME BPVC cov haujlwm, tsuas yog ASTM cov ntaub ntawv tau txais kev lees paub. Kev siv EN / JIS / GB sib npaug yuav tsum muaj kev pom zoo los ntawm engineering thiab ua qauv qhia txog kev ua raws li cov qauv tsim.
Cov Lus Qhia Ntxiv:Yog tias koj daim ntawv xaj A537 Chav Kawm 1 suav nrog Charpy qhov kev sim ntawm -60℃F (-51 degree), xyuas kom cov qib sib npaug kuj ua tau raws li qhov ntsuas kub tshwj xeeb.
Cov ntsiab lus ntawm qhov sib npaug zoo tshaj
| Thaj tsam | Qib sib npaug tshaj | Qhov tseem ceeb Specification rau Match A537 Cl 1 |
|---|---|---|
| Teb chaws Europe / ISO | TS EN 10028-3: P355NL1 | Qhia meej qhov xwm txheej zoo li qub thiab kev ntsuas cuam tshuam ntawm -50℃. |
| Nyiv | JIS G 3115: SPV 355 | Qhia meej qhov xwm txheej zoo li qub thiab cov kev ntsuas cuam tshuam ntxiv. |
| Tuam Tshoj | GB 713: Q345R | Yuav tsum qhia meej txog kev kho cua sov zoo li qub thiab xav tau kev ntsuam xyuas cuam tshuam. |
Nco ntsoov txheeb xyuas daim ntawv pov thawj zeb ntsuas tawm tsam koj qhov project qhov kev siv tshuab thiab qis - qhov yuav tsum tau muaj qhov kub thiab txias ua ntej lees txais cov khoom sib npaug.
1.Dab tsi yog SA537 Chav Kawm 1?
SA537 Chav Kawm 1 yog ib qho kev qhia tshwj xeeb rau cov cua sov- kho carbon-manganese- silicon steel daim hlau, feem ntau yog siv rau cov hlab ntsha siab, muab cov kev sib tw zoo ntawm qhov kub thiab txias.
2.Dab tsi yog qhov txawv ntawm SA537 Class 1 thiab Class 2?
Qhov sib txawv tseem ceeb yog kev kho cua sov thiab lub zog. Chav Kawm 1 yog nkag rau hauv qhov normalized lossis kev ntxhov siab-relied mob nrog qis zog, thaum Class 2 yog quenched thiab tempered, muab ntau zog zog.
3.Dab tsi yog cov khoom siv kho tshuab ntawm SA537 Chav Kawm 1?
Rau cov phaj siab txog 2.5 ntiv tes tuab, cov khoom muaj xws li lub zog tensile yam tsawg kawg nkaus ntawm 70-90 ksi (485-620 MPa) thiab qhov tsawg kawg nkaus lub zog ntawm 50 ksi (345 MPa).
4.Dab tsi yog cov tshuaj muaj pes tsawg leeg ntawm SA537 Chav Kawm 1?
Nws yog cov pa roj carbon -manganese- silicon steel nrog qhov siab tshaj plaws ntawm 0.24% Carbon, 1.35% Manganese, thiab 0.15-0.50% Silicon, nrog rau kev tswj hwm phosphorus thiab sulfur.
5.Yog SA537 Chav Kawm 1 yog carbon steel lossis hlau alloy?
Nws yog technically cais raws li ib tug siab - lub zog carbon steel, feem ntau hu ua carbon -manganese- silicon steel, tab sis nws cov khoom yog ua tiav los ntawm kev kho cua sov es tsis muaj cov ntsiab lus siab alloy.
6.Dab tsi yog Charpy cuam tshuam rau SA537 Chav Kawm 1?
SA537 Chav Kawm 1 feem ntau yuav tsum tau Charpy V-Kev ntsuas qhov cuam tshuam ntawm -50℃F (-46 degree) nrog qhov nruab nrab nruab nrab lub zog nqus ntawm 25 ft-lbs (34 J) rau cov phaj siab tshaj 0.75 ntiv tes tuab.
7.Qhov twg yog SA537 Chav Kawm 1 nquag siv?
Nws yog dav siv rau cov hlab ntsha siab, lub tso tsheb hlau luam, thiab kev siv cov qauv hauv kev lag luam xws li roj thiab roj, kev tsim kho, thiab kev tsuas, tshwj xeeb tshaj yog qhov uas tsis zoo - qhov kub thiab txias yog xav tau.
8.Yuav SA537 Chav Kawm 1 puas tau welded yooj yim?
Yog, nws muaj weldability zoo. Txawm li cas los xij, yuav tsum tau ua raws li cov txheej txheem tsim nyog, suav nrog kev ua kom muaj peev xwm ua ntej rau cov ntu tuab, thiab siv cov khoom siv qis tshaj -hydrogen electrodes kom tsis txhob tawg.
9.Dab tsi yog kev kho cua sov rau SA537 Class 1 daim hlau?
SA537 Class 1 daim hlau yog muab rau hauv qhov qub lossis kev ntxhov siab-txo qis, raws li tus neeg yuav khoom tau teev tseg, kom ua tiav cov khoom siv kho tshuab.
10. Puas yog SA537 Chav Kawm 1 haum rau qis-kev pabcuam kub?
Yog lawm, vim nws txoj kev kho cua sov thiab muaj pes tsawg leeg, SA537 Chav Kawm 1 muaj qhov zoo ntawm qhov tsis zoo thiab feem ntau yog siv rau cov ntawv thov mus rau -50℃F (-46 degree) thiab qis dua, nyob ntawm qhov tuab thiab cov txiaj ntsig kev xeem.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
