LR DH69 steel phaj

LR DH69 shipbuilding steel phaj yog cov khoom siv tseem ceeb rau kev lag luam hauv hiav txwv, muab cov khoom siv zoo heev thiab ua haujlwm ntev nyob rau hauv marine ib puag ncig. Tsab ntawv xov xwm no yog npaj los muab cov ncauj lus kom ntxaws txog nws cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, kev kho cua sov, qhov ntau thiab tsawg, kev ntsuam xyuas cuam tshuam, thawj daim ntawv thov scenarios.

Tshuaj muaj pes tsawg leeg:
Cov tshuaj muaj pes tsawg leeg ntawm LR DH69 steel phaj yog ua tib zoo sib npaug los xyuas kom meej cov khoom zoo. Nws feem ntau muaj xws li carbon (C), manganese (Mn), phosphorus (P), sulfur (S), silicon (Si), thiab lwm yam alloying ntsiab xws li npib tsib xee (Ni) thiab chromium (Cr). Cov muaj pes tsawg leeg sib txawv nyob ntawm seb qhov kev xav tau tshwj xeeb ntawm qhov kawg - siv daim ntawv thov.

LR DH69 ntxiv muaj zog Chemical Composition
Qib	Cov ntsiab lus Max (%)
Qib	C	Si	Mn	P	S	Al	N
LR DH69	0.20	0.55	1.70	0.030	0.030	0.015	0.020
	Nb	V	Ti	Cu	Cr	Ni	Mo
	0.02-0.05	0.03-0.10	0.02

Mechanical Properties:
LR DH69 steel phaj nthuav tawm tshwj xeeb cov khoom siv kho tshuab, suav nrog cov khoom muaj zog, lub zog tensile, thiab elongation. Cov khoom no tso cai rau cov khoom siv los tiv thaiv kev nruj ntawm cov dej hiav txwv, nrog rau kev cuam tshuam yoj, corrosion, thiab qaug zog.

LR DH69 muaj zog muaj zog ntxiv
Qib		Mechanical Property			Charpy V Impact Test
Qib	Thickness	Yield	Tensile	Elongation	Qib	Zog 1	Zog 2
LR DH69	mm	Min Mpa	Mpa	Tsawg%	-20	J	J
	t Tsawg dua lossis sib npaug li 50	690	770-940	16%		46	69
	50＜t Tsawg dua lossis sib npaug rau 70	690	770-940	16%		46	69
	70＜t Tsawg dua lossis sib npaug rau 100	690	770-940	16%		46	69
Lus Cim: Lub Zog 1 yog qhov kev ntsuas cuam tshuam, Lub Zog 2 yog qhov ntev

Thaum tshav kub kub kho mob:
Kev kho cua sov ntawm LR DH69 steel phaj yog qhov tseem ceeb los xyuas kom meej tias nws cov khoom siv thiab kev sib txuas. Nws yog feem ntau nkag rau hauv ib qho kev ua haujlwm zoo lossis tswj tau dov, uas muaj cov cua sov ntawm cov hlau mus rau qhov kub thiab txias thiab maj mam txias kom tshem tawm cov kev ntxhov siab sab hauv thiab txhim kho nws cov microstructure.

Dimensional Range:
LR DH69 steel phaj yog muaj nyob rau hauv ntau qhov ntau thiab tsawg los ua kom tau raws li qhov yuav tsum tau ua hauv nkoj tsim. Lub thickness tuaj yeem sib txawv ntawm ob peb millimeters mus rau ob peb centimeters, nyob ntawm seb daim ntawv thov tshwj xeeb. Qhov dav thiab ntev kuj tseem raug kho raws li qhov xav tau ntawm qhov project.

Impact Testing:
Kev ntsuam xyuas kev cuam tshuam yog qhov tseem ceeb ntawm LR DH69 steel phaj, raws li nws ntsuas cov khoom muaj peev xwm tiv taus cov pob txha tawg hauv qhov cuam tshuam. Qhov kev ntsuam xyuas no feem ntau yog ua los ntawm qhov kub thiab txias kom ntseeg tau tias cov hlau ductility thiab toughness nyob rau hauv huab cua.

Thawj Daim Ntawv Thov Scenarios:
LR DH69 steel phaj pom nws cov kev siv tseem ceeb hauv kev tsim khoom hauv nkoj thiab sab nrauv. Nws yog dav siv nyob rau hauv kev tsim kho cov nkoj thauj khoom, thawv nkoj, tankers, thiab nkoj nkoj vim nws lub zog zoo dua, weldability, thiab corrosion kuj. Nws kuj yog tsim rau offshore platforms, pipelines, thiab lwm yam marine qauv raug rau ib puag ncig hnyav.