DH36 Kub Rolled Steel Sheet Hlau
DH36 Hlau yog qhov siab-}} lub zog qauv qauv hlau feem ntau siv hauv cov ntawv thov nkoj thiab marine. Nws ntog nyob rau hauv qeb ntawm tsawg- cov hlau roj carbon aloy, tshwj xeeb tau tsim los ua kom tau raws li txoj hlua khi. Cov ntsiab lus tseem ceeb hauv DH36 hlau muaj xws li manganese, carbon, thiab silicon, uas pab txhawb nws lub zog tag nrho, kev nyuaj, thiab weldability, thiab weldability.
1 Kev Saib Xyuas Tshaj Tawm
DH36 Hlau tau faib ua cov qauv hlau qauv hlau uas tsim nyog rau cov khoom siv hluav taws xob vim nws cov neeg kho tshuab zoo nkauj thiab kev tawm tsam rau cov chaw ua haujlwm hnyav. Cov hlau yog tus cwj pwm los ntawm nws cov txiaj ntsig siab meej lub zog, thiab tawv, ua rau nws zoo tagnrho rau kev tsim kho ntawm cov hull thiab lwm cov txheej txheem txheej txheem ntawm cov nkoj.
Cov yam ntxwv tseem ceeb tshaj plaws ntawm DH36 hlau muaj xws li:
Siab Zog: DH36 cov khoom pov thawj tsawg kawg zog zog ntawm 355 mpa (51.5 ksi) thiab lub zog tensile xws li 490 txog 620 mpa (71 rau 90 ksi).
Zoo tougnness: Nws tswj hwm nws cov kev nruj txawm tias thaum kub tsawg, uas yog qhov tseem ceeb rau cov ntawv thov marine.
Hwj txwv: Tus qauv hlau tuaj yeem muab tau yooj yim muab welded yooj yim siv cov txheej txheem pa, uas yog qhov tseem ceeb rau cov txheej txheem nkoj.
Qhov Zoo (Pros):
{{{0- Cov txheej txheem zoo nkauj uas ua kom ntseeg tau txoj kev ntseeg ncaj ncees nyob rau hauv cov khoom siv kev ntseeg siab.
- Zoo} Qhov zoo tsis kam rau kev cuam tshuam thiab nkees, ua rau nws haum siab {1} Kev siv ntxhov siab.
{{0- Zoo Siab Weldability tso cai rau kev tsim kho kom zoo thiab kho.
Txwv (cons):
{{0- Muaj cov xeb tsis kam piv rau cov hlau siab dua qub, tsim nyog tiv thaiv cov txheej txheem tiv thaiv qee qhov chaw ib puag ncig.
-} Tsis haum rau cov ntawv thov kom huab ua kom muaj kev ua tau zoo los yog siab}}}} kub ua tau zoo.
Keeb kwm, DH36 tus hlau tau ua lub luag haujlwm tseem ceeb hauv kev lag luam tseem ceeb hauv kev tsim cov nkoj uas yuav tsum ua rau lub hiav txwv sib zog.
2 Lwm Lub Npe, Cov Qauv, thiab Sib Xws
| Cov Koom Haum | Kev qhia / qib kawm | Lub teb chaws / thaj av ntawm keeb kwm | Sau ntawv / hais |
|---|---|---|---|
| ASTM | DH36 | Usa | Feem ntau siv nyob rau hauv shrbuilding |
| En | S355G3 | Yu Laus teb | Ze tshaj sib npaug nrog kev sib txawv me sib txawv |
| JIS | Sm490a | Nyiaj txiag | Cov khoom zoo sib xws tab sis sib txawv qauv |
| ISO | 6300-36 | Ntau lub teb chaws | General sib npaug rau cov qauv siv |
Cov lus saum toj no ntsiab ntau yam qauv thiab sib npaug rau DH36 hlau. Tshwj xeeb, thaum S355G3 thiab SM490A feem ntau suav suav nrog sib txawv, lawv yuav muaj cov khoom siv tshuaj thiab cov neeg kho tshuab uas tuaj yeem cuam tshuam kev ua tau zoo hauv cov ntawv thov.
3 lub zog tseem ceeb
3.1 Tshuaj Muaj Zog
| Caij (cim thiab npe) | Feem pua ntau (%) |
|---|---|
| C (carbon) | 0.14 - 0.20 |
| Mn (manganese) | 0.90 - 1.60 |
| Si (silicon) | 0.10 - 0.50 |
| P (phosphorus) | Tsawg dua los yog sib npaug rau 0.025 |
| S (Sulphur) | Tsawg dua los yog sib npaug rau 0.010 |
| Al (Aluminium) | Tsawg dua los yog sib npaug rau 0.10 |
Cov ntsiab lus tseem ceeb hauv DH36 hlau ua si qhov tseem ceeb:
- Carbon (c): Ua kom muaj zog zog thiab hardness tab sis tuaj yeem txo kev du.
- Manganese (mn): Txhim kho cov tawv tawv thiab tawv, txhim kho cov hlau ua kev ua tau zoo hauv qis -}} qhov chaw ib puag ncig.
- Silicon (si): Txhim kho cov deoxidation thaum lub sij hawm steelmaking thiab ua rau muaj zog.
3.2 cov khoom siv neeg kho tshuab
| Ntiag tug | Zauv / Tem | Sim ntsuas kub | Cov nqi raug / ntau yam (metric) | Cov nqi raug / ntau yam (imperial) | Tus qauv siv rau txoj kev xeem |
|---|---|---|---|---|---|
| Tawm Zog (0.2% offset) | Zoo li cas | Chav Temp | 355 MPa | 51.5 Ksi | ASTM E8 |
| Lub zog tensile | Zoo li cas | Chav Temp | 490 - 620 mpa | 71 - 90 ksi | ASTM E8 |
| Elongation | Zoo li cas | Chav Temp | Ntau dua los yog sib npaug rau 21% | Ntau dua los yog sib npaug rau 21% | ASTM E8 |
| Txo thaj chaw | Zoo li cas | Chav Temp | Ntau dua los yog sib npaug rau 30% | Ntau dua los yog sib npaug rau 30% | ASTM E8 |
| Hardness (Brinell) | Zoo li cas | Chav Temp | 170 - 210 hb | 170 - 210 hb | Astm E10 |
| Cuam Tshuam Lub Zog | Charpy v - tsis tau | -20℃(-4℃f) | Ntau dua los yog sib npaug rau 27 j | Ntau dua los yog sib npaug rau 20 ft - lbf | ASTM E23 |
Cov kws kho tshuab ntawm DH36 hlau ua rau nws haum rau cov ntawv thov uas xav tau lub zog siab thiab tawv me me, tshwj xeeb hauv kev ua kom ncaj ncees yog qhov tseem ceeb.
3.3 Tej Yam Khoom Siv Rau Lub Cev
| Ntiag tug | Yam xwm / kub | Tus nqi (metric) | Tus nqi (Imperial) |
|---|---|---|---|
| Ceev | Chav Temp | 7.85 g / cm³ | 0.284 lb / pw |
| Melting point | - | 1420 - 1460 degree | 2590 - 2660℃f |
| Thermal conductivity | Chav Temp | 50 W/m·K | 34.5 Btuuar · nyob rau hauv / Lantah · F |
| Kev Kub Loj Tshaj | Chav Temp | 460 J / KGK K | 0.11 btu / Lb ·℃F |
| Hluav taws xob tiv thaiv hluav taws xob | Chav Temp | 0.0000017 Ω·m | 0.0000017 WTT |
Cov cuab yeej siv lub cev me me xws li ntawj thiab melting taw tes yog qhov tseem ceeb rau cov ntawv thov muaj feem xyuam rau kev kub thiab cov khoom tsim. Lub thermal conductivity qhia tau zoo li cas cov ntaub ntawv tuaj yeem disciipate kub, uas yog qhov tseem ceeb hauv kev tiv thaiv kev kub ntxhov hauv cov cav marine.
3.4 corrosion tsis kam
| Corrosive Tus Neeg Sawv Cev | Concentration (%) | Kub (degree /℃f) | Kev Ntsuas | Sau ntawv |
|---|---|---|---|---|
| Dej hiav txwv | 3.5% | 25℃/ 77℃f | Ncaj | Kev pheej hmoo ntawm pitting |
| Sulfuric acid | 10% | 25℃/ 77℃f | Pluag | Tsis pom zoo |
| Tus kab chlorides | 5% | 25℃/ 77℃f | Ncaj | Raug rau kev ntxhov siab corrosion tawg |
DH36 hlau cov khoom pov thawj qog corrosion tsis kam, tshwj xeeb hauv ib puag ncig marine. Thaum nws ua kom txaus nyob rau hauv seawater, nws yog txaus rau pitting dej thiab kev ntxhov siab corrosion tawg nyob rau hauv muaj cov kab chloride. Piv rau siab dua alloyed overless stainless hlau, DH36 tseev kom muaj kev tiv thaiv kev tiv thaiv lossis kev tiv thaiv kev sib daj sib luag los txhim kho nws qhov chaw muaj kev sib tw.
4 tshav kub tiv
| Cov khoom ntiag tug / txwv | Kub (degree) | Kub (degree f) | Hais lus |
|---|---|---|---|
| Max cov kev pabcuam txuas ntxiv temp | 250 Qib | 482 Qib F | Haum rau cov ntawv thov |
| Max sib npaug cov temp | 300 Degree | 572 Qib F | Luv - sij hawm} sij hawm kis tsuas yog |
| Scalering Kub | 500 degree | 932 Qib F | Kev pheej hmoo ntawm oxidation dhau no |
Thaum nce qhov kub thiab txias, DH36 hlau tswj nws cov qauv txheej txheem kev sib raug zoo txog li 250℃(48℃(482℃f). Tshaj li no, txoj kev pheej hmoo ntawm oxidation thiab teev kev sib haum cov khoom siv hauv high- cov ntawv thov kub.
5 Fabrication Cov Khoom
5.1 Weldability
| Vuam txheej txheem | Pom zoo muab tub lim hlau (AWS kev faib tawm) | Raug thaiv cov roj / flux | Sau ntawv |
|---|---|---|---|
| Lub ntsej muag | E7018 | ARGON / CO2 | Preheat pom zoo |
| Gmaw | ER70s-6 | ARGON / CO2 | Zoo nkag |
| Fcaw | E71T-1 | CO2 | Haum rau thicker ntu |
DH36 Hlau yog weldable, ua rau nws zoo tagnrho rau cov ntawv thov nkoj. Preheating feem ntau pom zoo kom txo qis kev pheej hmoo ntawm kev tawg, tshwj xeeb hauv ntu thicker. Qhov kev xaiv ntawm cov neeg muab tub lim tuaj yeem cuam tshuam qhov zoo ntawm Weld thiab cov kev ua tau zoo ntawm cov qauv.
5.2 tshuab luam ntawv
| Machining parameter | DH36 Hlau | AISI 1212 | Sau ntawv / Cov Lus Qhia |
|---|---|---|---|
| Tus Txheeb Ze Tshuab | 60% | 100% | Moderate Machinability |
| Raug Txiav Ceev (Xa) | 30 m / min | 60 m / min | Siv cov cuab yeej ntse thiab txias |
DH36 steel muaj nruab nrab machinity, uas tuaj yeem txhim kho nrog kev tsim kho kom raug thiab txiav cov mob. Nws yog qhov tseem ceeb rau siv cov cuab yeej ntse thiab txias txias los tiv thaiv kev ua haujlwm ua haujlwm thiab cov cuab yeej ua haujlwm.
5.3 muaj kev muaj peev xwm
DH36 hlau ua kom zoo rau kev ua kom zoo, pub rau ob qho tib si txias thiab kub ua cov txheej txheem. Cov khoom siv tuaj yeem khoov duav tau thiab zoo li tsis muaj kev pheej hmoo los ntawm kev tawg, txawm hais tias kev saib xyuas yuav tsum tau ua kom tsis txhob muaj kev ua haujlwm ntau dhau. Raug khoov radii yuav tsum tau txiav txim siab raws li cov tuab ntawm cov khoom siv thiab cov txheej txheem txheej txheem tshwj xeeb.
5.4 Kev Kho Cua Sov
| Cov txheej txheem kho | Kub Ntau Yam (Qib / Qib F) | Raug soaking sijhawm | Cua txias txoj kev | Thawj lub hom phiaj / cia siab |
|---|---|---|---|---|
| Li no | {{0 {}}℃/ 1652 - 1742}℃f | 1 - 2} teev | Cua | Refine Liaj Tus Qauv |
| Quenching | {{0 {}}℃/ 1562 - 1652}℃f | 1 teev | Dej / Roj | Ua kom muaj kev nyuaj |
| Npau taws | {{0 {}}℃/ 932 - 1112}℃f | 1 teev | Cua | Txo cov brittleness |
Cov txheej txheem cua sov xws li ib txwm muaj, quenching, thiab tempering yog qhov tseem ceeb rau kev ua kom zoo rau cov neeg kho mob ntawm DH36 hlau. Li cas los hloov cov qauv grain, thaum quenching nce hardness. Tempering yog qhov tseem ceeb los txo cov brittleness thiab txhim kho kev nruj me me, tshwj xeeb rau cov ntawv thov raug thauj khoom.
6 Cov ntawv thov raug thiab xaus kev siv
| Kev lag luam / Secector | Daim Ntawv Thov Tshwj Xeeb Piv Txwv | Cov khoom tseem ceeb ntawm cov ntawv thov no | Vim li cas rau kev xaiv |
|---|---|---|---|
| Nkoj nkoj | Cov nkoj thauj khoom | Muaj lub zog siab, kev nruj me, weldability | Cov Txheej Txheem Kev Ruaj Ntseg nyob rau hauv kev thauj khoom zoo |
| Offshore Cov Qauv | Roj Rigs | Corrosion Kuj, lub zog | Durability nyob rau hauv ib puag ncig hnyav |
| Marine engineering | Lub nkoj hiav yaj | Tsawg - kub kev kub siab, weldability | Kev Nyab Xeeb thiab Tsim Kev Kawm |
Lwm cov kev siv ntawm DH36 hlau muaj xws li:
- Tubrog nkoj: Siv hauv kev tsim kho ntawm ntau hom kev thauj khoom thiab nkoj.
- Floating qauv: Ua haujlwm hauv platforms thiab docks.
- Cov Machinery hnyav: Siv nyob rau hauv cov feem uas yuav tsum muaj zog thiab kav ntev.
Kev xaiv ntawm DH36 hlau rau cov ntawv thov no feem ntau yog vim nws muaj peev xwm tiv taus hnyav ua tub rog.
7 Qhov tseem ceeb txiav txim siab, kev xaiv cov qauv, thiab ntxiv kev pom
| Nta / Cov Cuab Yeej | DH36 Hlau | S355G3 | Sm490a | Luv luv / Con lossis Trade -} tawm ntawv |
|---|---|---|---|---|
| Paib lub zog | 355 MPa | 355 MPa | 345 MPa | Cov qib zoo sib xws |
| Corrosion Kuj | Ncaj | Zoo | Ncaj | S355G3 muaj cov khoom tiv thaiv zoo dua |
| Hwj txwv | Zoo tshaj | Zoo | Zoo | Txhua qib yog weldable |
| Luam ntawv | Tswj kav | Zoo | Zoo | DH36 yuav siv zog ntau dua |
| Muaj meej | Zoo | Zoo | Zoo | Txhua qib yog tsim tau |
| Kwv yees li. Tus nqi txheeb ze | Tswj kav | Tswj kav | Tswj kav | Tus nqi yog zoo ib yam li cov qib |
| Cov Muaj Nquag | Siab | Tswj kav | Tswj kav | DH36 yog dav muaj |
Thaum xaiv DH36 hlau, kev txiav txim siab suav nrog tus nqi -} ua tau zoo, thiab cov kev xav tau tshwj xeeb. Thaum DH36 muaj cov tshuab hluav taws zoo, nws cov corrosion kuj yuav tsis muaj txaus rau txhua daim ntawv thov, tshwj xeeb hauv ib puag ncig muaj xeb. Nyob rau hauv cov xwm txheej zoo li no, cov qib kawm zoo li S355G3 lossis ntau dua cov hlau uas ntau dua tuaj yeem tsim nyog dua.
Hauv cov ntsiab lus, DH36 hlau yog ib qho khoom siv khov thiab muaj zog heev rau cov khoom siv txua khoom thiab cov ntawv thov marine. Nws ua ke ntawm lub zog, kev ua kom muaj zog, thiab veldability ua rau nws xaiv qhov kev xaiv thiab kev ua kom zoo yog qhov tseem ceeb rau kev ua tau zoo.
Hlau Hlau rau Shitbuilding TshuajMuaj pes tsawg
| Teem nqi |
Cax |
Si max |
Mn |
P max |
S max |
Als min |
Ti max |
Cu Max |
Cr |
Ni |
Mo |
Nb |
V |
|
DH36 |
0.18 |
0.50 |
0.90-1.60 |
0.035 |
0.035 |
0.015 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
0.02-0.05 |
0.05-0.10 |
DH36 Hlau Phaj Cov Khoom Siv
| Teem nqi |
Rm |
Re (mpa) min |
Ib% min |
AKV / JIN |
||||||
|
DH36 |
490-630 |
355 |
21 |
Thiab degree |
Tuab (mm) |
|||||
|
-20 |
Tsawg dua los yog sib npaug rau 50 |
>50-70 |
>70-100 |
|||||||
|
L |
C |
L |
C |
L |
C |
|||||
|
34 |
24 |
41 |
27 |
50 |
34 |
|||||
FAQ txog DH36 marine qib steel phaj
1.What yog qhov sib txawv ntawm DH36 Hlau Phaj thiab D36 Hlau Phaj?
DH36 Hlau Phajthiab D36 Steel phaj muaj cov cim sib txawv ntawm cov tib neeg sib txawv ntawm cov tib neeg sib txawv, txhua tus yog lub zog loj marine steel. D36 steel phaj yog tus qauv Asmeskas thiabDH36 HlauPhaj yog tus qauv thoob ntiaj teb.
Marine Steel phaj hais txog kub {{k}}}}}} pk steel phaj uas yog tsim rau kev tsim kho ntawm kev koom tes hauv zej zog. Vim tias muaj qhov chaw ua haujlwm hnyav ntawm lub nkoj, Lub Hull Plhaub yog raug tshuaj lom neeg, electrochion corrosion thiab corrosion ntawm marine cov kab mob thiab cov kab mob sib kis. Lub Hull yog muaj zog cua thiab yoj cuam tshuam. Yog li ntawd, qhov yuav tsum tau ntawm lub nkoj lub phaj siab dua, uas yuav tsum tau ua pov thawj ntawm cov koom haum hauv zej zog.
Cov General lub zog qauv qauv vaj hlav nyob hauv Suav teb cov qauv kev kawm tau muab cais ua plaub theem zoo: a, b, d thiab e; Lub siab lub zog qauv qauv vaj ntxwv tau cais rau peb lub zog qib kawm thiab cov qib AN32 A32 D32 D32 D40 A32 D32 E40 D32 F32 F32 F32 F32 F32 F32 F32 F32 E40 F32 F32 F32 E40 F32 F32 F32 E40 F32 F32 F32 E40 F32 F32 F32 E32 E40 F32 E40 F32 F32 E40 F32 F32 E40 F32 E40 F32 E40 F32 F32 E40 F32 F32 E40 F32 F32 F32 E32 F32 E40 F32 E40 F324 D32 F32 FEB3 the US standard medium and high strength ship plates are all with "H", such as AH32, AH36, AH40, DH32, DH36Hlau Phaj, Hiab, EH32, EH36, EH36, FH40, FH32, FH36 thiab FH40.
Ntawm lawv, C, D thiab E Cov Hlau Stands muaj qhov ntsuas kub zoo tsawg. Nws tuaj yeem siv nyob rau hauv nkoj, boilers, cov hlab ntsha siab, cov roj tso roj tso tsheb cav, txhawb nqa cov tshuab hluav taws xob, lwm txoj kev tsheb thauj khoom nrog cov khoom ntim siab dua.
2.What yog qhov sib txawv ntawm A36 thiab DH36 hlau
Ob qho tib si A36 thiab DH36 yog cov hlau xa hluav taws xob ua haujlwm hauv A131 / A131M. Lawv muaj cov tshuaj sib xyaw ua ke tag nrho thiab lub zog.
Qhov sib txawv ntawm A36 thiab DH36 Hlau Cov Tshuaj Muaj pes tsawg leeg
| Teem nqi | C | Si | Mn | P | S | CU | Cr | Ni | Nb | V | Ti | Mo | Als |
| A36 | Tsawg dua los yog sib npaug rau 0.18 | Tsawg dua los yog sib npaug rau 0.50 | 0.90-1.60 | Tsawg dua los yog sib npaug rau 0.035 | Tsawg dua los yog sib npaug rau 0.035 | Tsawg dua los yog sib npaug rau 0.30 | Tsawg dua los yog sib npaug rau 0.20 | Tsawg dua los yog sib npaug rau 0.40 | 0.02-0.05 | 0.05-0.10 | Tsawg dua los yog sib npaug rau 0.02 | Tsawg dua los yog sib npaug rau 0.08 | Ntau dua los yog sib npaug rau 0.015 |
| DH36 | Tsawg dua los yog sib npaug rau 0.18 | Tsawg dua los yog sib npaug rau 0.50 | 0.90-1.60 | Tsawg dua los yog sib npaug rau 0.035 | Tsawg dua los yog sib npaug rau 0.035 | Tsawg dua los yog sib npaug rau 0.30 | Tsawg dua los yog sib npaug rau 0.20 | Tsawg dua los yog sib npaug rau 0.40 | 0.02-0.05 | 0.05-0.10 | Tsawg dua los yog sib npaug rau 0.02 | Tsawg dua los yog sib npaug rau 0.08 | Ntau dua los yog sib npaug rau 0.015 |
Qhov sib txawv ntawm A36 thiabDH36 HlauCov Khoom Siv Neeg Kho Tshuab
| Teem nqi | Tensile Xeem | Kev Cuam Tshuam KV2 / J | ||||
| Hais lub zog reh / mpa | Lub zog tensile RM / MPA | Elongation A /% | Kub kawm tiav | Ntev heev | Tsheb | |
| A36 | Ntau dua los yog sib npaug rau 355 | 490-620 | Ntau dua los yog sib npaug rau 21 | 0 | Ntau dua los yog sib npaug rau 34 | Ntau dua los yog sib npaug rau 24 |
| DH36 | Ntau dua los yog sib npaug rau 355 | 490-600 | Ntau dua los yog sib npaug rau 21 | -20 | Ntau dua los yog sib npaug rau 34 | Ntau dua los yog sib npaug rau 24 |
Los ntawm saum rooj saud, peb pom qhov cuam tshuam kub ntawm A36 thiab DH36 hlau txawv. A36 hlau ua 0℃cuam tshuam xeem, thaum DH36 hlau ua -20℃cuam tshuam xeem. Yog li ntawd, txawm hais tias ob qho tib si A36 thiab DH36 yogHlau Nkoj, lawv siv nyob rau hauv ib puag ncig sib txawv. Lub DH36 hlau ua tau zoo nyob rau hauv cov kev ua haujlwm qis dua.
3.Qhov dab tsi yog DH36 sib npaug rau S355?
Yuav siv DH36 tus qauv hlau siv tau los ntawm S355 qib steel?Lub DH36 yog sib npaug rau S355 qibCov. The s355 is a higher specification material than the ship building steel abs dh36 sheet.
Gnee Pawg Pab Pawg Duab
Gnee Pab Pawg Neeg Siv Khoom Mus Xyuas
Gnee Group Exhibition
Peb muaj zoo heev tom qab {{0} Kev Pabcuam Muag Khoom. Yog tias koj muaj lus nug txog DH36 kub dov steel sheet hlau, koj tuaj yeem tiv tauj peb thiab peb yuav tiv tauj peb thiab peb teb koj hauv ob teev.
Cim npe nrov: Dh36 Kub Rolled Shrbuilding Hlau, Tuam Tshoj DH36 Kub Rolled Shrbuilding Hlau Manufacturers, lwm tus neeg, Hoobkas
