Hauj lwm lawm

Kev tsis

CCS AH40 Shipbuilding Steel Phaj - Siab -Strength Marine Steel rau Hnyav-Lub Luag Haujlwm Ua Haujlwm

CCS AH40 yog qhov siab dua - lub zog hull structural steel ntawv pov thawj los ntawm Tuam Tshoj Classification Society (CCS). Tsis zoo li qhov qub - qib zog (A, B, D, E) nrog 235 MPa lub zog qis kawg nkaus, AH40 muajTsawg tshaj tawm lub zog ntawm 390 MPathiab tensile lub zog ntawm 510 txog 650 MPa. Qhov no ua rau nws tsim nyog rau thawj qhov kev thauj khoom-cov kabmob hauv cov nkoj loj thiab cov khoom siv sab nraud.

Qhov "A" hauv AH40 qhia txog qhov ntsuas qhov ntsuas kub ntawm0 degree, "H" txhais tau tias siab dua - lub zog steel, thiab "40" yog hais txog qhov tsawg kawg nkaus tawm lub zog qhia hauv kgf/mm² (kwv yees li 390 MPa). Cov hlau yog tsim los ntawm kev tua thiab nplua- cov kev coj ua nplej nrog cov khoom siv microalloying xws li niobium thiab vanadium kom ua tiav cov khoom siv kho tshuab.

Kev Pov Hwm Zoo|Tag Nrho Certified & Traceable

Ib - nres kev yuav khoom steel

Cov ntawv pov thawj:Peb muabABS AH40, CCS AH40, LR AW 40, DNV-GL AH40, thiabBV AW 40.

Traceability:Txhua lub phaj yog stamped nrog qib, kub tooj, thiab qhov ntev.

Kev tshuaj xyuas:Thib peb-kev soj ntsuam tog (SGS, BV) txais tos ntawm peb qhov chaw nres nkoj thauj khoom.

Hu rau tam sim no

Ntsiab Specifications & Tolerances

Chemical Composition (Ladle Analysis)

Element	Kev sib xyaw (%)
Cov pa roj carbon (C)	Tsawg dua lossis sib npaug li 0.18
Manganese (Mn)	0.90 – 1.60
Silicon (Si)	0.10 – 0.50
Phosphorus (P)	Tsawg dua lossis sib npaug li 0.035
Sulfur (S)	Tsawg dua lossis sib npaug li 0.035
Aluminium (Als)	Ntau dua lossis sib npaug rau 0.015
Niobium (Nb)	0.02 – 0.05
Vanadium (V)	0.05 – 0.10
Titanium (Ti)	Tsawg dua lossis sib npaug li 0.02
Copper (Cu)	Tsawg dua los yog sib npaug li 0.35
Chromium (Cr)	Tsawg dua los yog sib npaug li 0.20
Nickel (Ni)	Tsawg dua lossis sib npaug li 0.40
Molybdenum (hli)	Tsawg dua lossis sib npaug li 0.08

Mechanical Properties

Khoom	Tus nqi
Yield zog (min)	390 MPa (57 ksi)
Tensile zog	510 - 650 MPa (74 - 94 ksi)
Elongation (min)	19% (ntawm 200mm gauge) / 20% (ntawm 50mm gauge)
Impact Test Temperature	0 degree
Impact Zog (Longitudinal)	Yam tsawg kawg nkaus muaj nuj nqis sib txawv los ntawm thickness

Muaj Dimensions

Parameter	Ntau yam
Thickness	4mm-300 hli
Dav	1200-4200 hli
Ntev	3000mm-18000mm

Cov yam ntxwv ntawm kev muab khoom

TMCP(Thermo-Mechanical Controlled Processing) – Pom zoo rau cov phaj tuab.

Normalized (N)- Rau cov ntawv thov xav tau cov qauv zoo li qub.

Raws li -Rolled (AR)- Rau cov seem thinner.

Daim ntawv thov|AH36 Steel siv qhov twg?

ship-hull-construction-keel-bilge-strakes-marine-steel

Nkoj Hull Kev Tsim Kho: Plhaub daim hlau, lawj daim hlau, longitudinal thiab transverse framing.

Offshore Platforms: Jack-up rigs, semi-submersibles, FPSO units.

Thawv nkoj: Siab -cov khoom siv muaj zog uas yuav tsum tau txo cov phaj tuab.

Cov neeg nqa khoom loj: Primary load- bearing structures in heavy-cov dej num.

offshore-platform-jack-up-rig-semi-submersible-fpso-steel-structure

marine-vessel-components-cargo-hold-hatch-cover-tanker-deck

Chaw nres nkoj thiab Marine Infrastructure: Heavy-load bearing structures.

Naval Vessels: Siab -kev ua tau zoo marine khoom siv tes ua nrog lub zog nruj.

ship-repair-retrofit-marine-hull-steel-plate-replacement

AH, DH, EH, FH Qib – Sib piv

Qib	Impact Test Temperature	Daim ntawv thov
AW 40	0 degree	Cov qauv nkoj dav dav, cov nkoj huab cua nruab nrab
DH40	-20 degree	Cov dej hiav txwv txias, cov nkoj dej khov
EH 40	-40 degree	Arctic thiab polar cheeb tsam cov hlab ntsha
FH40	-60 degree	Tsawg heev - qhov kub thiab txias ib puag ncig

Tag nrho plaub qib sib piv qhov tsawg kawg nkaus tawm lub zog (390 MPa) thiab tensile zog ntau yam (510 - 650 MPa). Cov tshuaj muaj pes tsawg leeg yuav tsum tau zoo sib xws, txawm hais tias qib DH, EH, thiab FH muaj kev tswj hwm nruj dua ntawm qee cov ntsiab lus, tshwj xeeb yog leej faj thiab phosphorus rau kev txhim kho toughness ntawm qis dua.

Kev kuaj ntxiv thiab kev pabcuam

Kev kuaj ultrasonic (UT)Qauv: ASTM A435, A577, A578.

Z-kev taw qhia kev kuaj: Z15, Z25, Z35.

Charpy V-Ntch Impact Test: Ntawm 0℃raws li tus qauv.

Thib peb-Kev soj ntsuam tog: SGS, TUV, lossis lwm tus neeg soj ntsuam ywj pheej.

Mill Test Certificate: EN 10204 Format 3.1/3.2.

Kev kho saum npoo: Txhaj tshuaj tua blasting, pleev xim, thiab txheej muaj raws li kev thov.

Ntim & Xa

Ntim: Txheem export seaworthy packing los yog raws li tus neeg yuav tsum tau muaj.

Lub sij hawm xa tuaj: 7 hnub rau cov khoom lag luam, 30-50 hnub rau kev txiav txim ntau lawm.

Chaw thau khoom PortsChaw nres nkoj: Shanghai, Tianjin, Qingdao.

vim li cas ho xaiv peb?

Tshuag Muaj:Peb khaws 5, 000+ tons ntawmAH40 nkoj phajnyob rau hauv qhov ntau thiab tsawg (6m, 9m, 12m) npaj txhij rau kev xa tawm tam sim.

Kev cai txiav:Peb muab kev txiav profile, beveling, thiab kev pabcuam kom txuag koj lub sijhawm tsim.

Fast Logistics:Kev xa khoom zoo los ntawm kev tawg ntau lossis ntim rau cov chaw nres nkoj loj thoob ntiaj teb (Rotterdam, Houston, Singapore, Dubai).

Competitive Nqe:Direct mill kev koom tes txhais tau tias tsis muaj cov neeg nruab nrab markups.

Tau txais cov lus hais hauv 24 teev

ib - nres kev daws teeb meem

pab neeg tshaj lij

siab zoo

peb cov neeg koom tes

Peb ntseeg los ntawm

Kev ntsuas tus neeg siv

Peb tau teev CCS AH40 rau 60,000 DWT bulk carrier tsim. Lub zog 390 MPa tso cai rau peb txo cov phaj tuab hauv qhov tsis yog - qhov tseem ceeb, txuag qhov hnyav yam tsis muaj kev cuam tshuam rau kev ncaj ncees. Mill daim ntawv ntsuam xyuas tau ua tiav thiab raug.

Mr. Chen Wei

Singapore · Loj Shipbuilding thiab Kho Pab Pawg

Piv nrog rau ib txwm- lub zog steels, AH40 yuav tsum tau ua tib zoo tswj cov cua sov kom zoo, tab sis nrog cov txheej txheem kom raug, qhov vuam mus zoo. Preheating ntawm 100℃rau cov ntu tuab tiv thaiv cov teeb meem tawg.

Ms. Nguyen Thi Hong

Haiphong · Shipbuilding Group of Vietnam

Order CCS AH40 daim hlau nyob rau hauv thicknesses ntawm 12mm mus rau 80mm. TMCP daim hlau tau tiaj tus nrog kev sib txawv me ntsis. Thib peb-kev soj ntsuam tog dhau los yam tsis muaj kev lees paub.

Rajesh Kumar

Kochi, India · Ship Repair Yard

FAQ

01.Dab tsi yog "AH40" sawv rau hauv shipbuilding steel?

Qhov "A" qhia txog qhov kev ntsuam xyuas ntawm 0 degree. "H" sawv cev rau siab dua - lub zog steel (as opposed to normal-strength). "40" yog hais txog qhov tsawg kawg nkaus tawm lub zog ntawm 40 kgf / mm², uas yog kwv yees li 390 MPa hauv metric units.

02.AH40 piv rau li qub - qib zog zoo li Qib D li cas?

Qhov sib txawv tseem ceeb yog lub zog tawm los. Ib txwm- qib zog (A, B, D, E) muaj qhov ua tau zoo ntawm 235 MPa, thaum AH40 muaj 390 MPa - kwv yees li 66% siab dua. Qhov no tso cai rau cov neeg tsim qauv siv cov phaj nyias nyias rau tib lub thauj khoom -cov kabmob muaj peev xwm, txo qhov hnyav ntawm lub nkoj. Txawm li cas los xij, AH40 muaj cov txheej txheem vuam nruj dua thiab cov khoom siv ntau dua.

03.Yuav ua li cas preheating rau vuam CCS AH40?

AH40 muaj cov pa roj carbon ntau dua li qub - lub zog steels, yog li feem ntau pom zoo kom preheating. Rau thicknesses nyob rau hauv 20mm, 50-75℃preheat yog ib txwm. Rau cov ntu tuab (siab dua 40mm), 100-150℃feem ntau xav tau. Ib txwm ua raws li cov txheej txheem vuam pom zoo (WPS) nrog kev tswj cov cua sov. Kev siv qis -hydrogen electrodes yog pom zoo.

04.CCS AH40 puas tuaj yeem muab kev kho cua sov li qub?

Yog lawm. Thaum TMCP yog qhov tshwm sim ntau tshaj plaws rau AH40, kev kho mob (N) normalized, tshwj xeeb tshaj yog rau cov phaj tuab lossis thaum teev los ntawm tus qauv tsim. Normalizing refines lub grain qauv thiab txhim kho uniformity ntawm txhua yam khoom thoob plaws lub phaj thickness.

Cim npe nrov: ah40 nkoj tsim steel phaj, Tuam Tshoj ah40 nkoj tsim steel phaj lwm tus neeg