Mphamvu ya chitoliro chokwanira kawiri pazinthu zothandizira mafakitale

Mphamvu ya chitoliro chodzaza ndi mafakitale omwe amagwiritsidwa ntchito

Kufotokozera kwaifupi:

M'dziko lapansi la mafakitale opanga mafakitale, njira zosankhira zinthu komanso njira zomangira zimatha kukhala ndi vuto lalikulu pazomwe zimachitika komanso kukhala nthawi yayitali. Njira imodzi yomwe imatchuka chifukwa cha mphamvu ndi kukhazikika ndikugwiritsa ntchito chitoliro chowirikiza kawiri. Mapaipi awa amapangidwa kuti athe kupirira zovuta zambiri, kutentha kwambiri komanso mikhalidwe yazachilengedwe, kumawapangitsa kukhala abwino kwa ntchito zosiyanasiyana zamagetsi.

Tumizani imelo kwa ife

Tsatanetsatane wazogulitsa

Matamba a malonda

Mapaipi owomberaAmapangidwa ndi ma weds awiri odziyimira pawokha kuti apange kulumikizana kwamphamvu komanso kodalirika pakati pazigawo za mapaipi. Njira yotentha iyi yowonjezera imatsimikizira kuti chitolirocho chimatha kupirira zipsompsolo ndi zovuta zomwe zingakumane ndi ntchito, ndikupangitsa kuti zikhale chisankho chodalirika pazinthu zomwe zingalephere kusankha.

Chimodzi mwazinthu zabwino kwambiri zamapatutu kawiri ndikutha kuthana ndi malo ambiri opanikizika kwambiri. Njira yowonera kawiri imapanga kulumikizana kosasaka komanso kolimba pakati pa magawo opikika, kuonetsetsa kuti amatha kupirira zovuta zamkati popanda chiopsezo cha kutayikira kapena kulephera. Izi zimawapangitsa kukhala abwino pantchito monga mafuta a mafuta ndi gasi, komwe kukhulupirika kwa mapaipi kumafunikira chitetezo ndikugwiritsa ntchito bwino ntchito.

Gome 2 Lalikulu lakuthupi ndi mankhwala a ziphuphu zachitsulo (GB / T3091-2008, GB / T97111011 ndi API SCE)
Wofanana	Kalasi yachitsulo	Mankhwala Opanga (%)						Katundu wamtundu						Charpy (v notch) mayeso
		c	Mn	p	s	Si	Ena	Mphamvu (MPA)		Mphamvu ya kukhala (MPA)		(L0 = 5.65 √ s0) min thumba (%)
		max	max	max	max	max	Ena	min	max	min	max	D ≤ 168.333mm	D> 168.3mm
GB / T3091 -2008	Q215A	≤ 0.15	0.25 <1.20	0.045	0.050	0.35	Kuwonjezera nbvti molingana ndi GB / T1591-94-94	215		335		15	3. 31
	Q215B	≤ 0.15	0.25-0.55	0.045	0.045	0.035		215		335		15	3. 31
	Q235A	≤ 0.22	0.30 <0.65	0.045	0.050	0.035		235		375		15	26
	Q235B	≤ 0.20	0.30 ≤ 1.80	0.045	0.045	0.035		235		375		15	26
	Q295A	0.16	0.80-1.50	0.045	0.045	0,55		295		390		13	> 23
	Q295B	0.16	0.80-1.50	0.045	0.040	0,55		295		390		13	> 23
	Q345A	0.20	1.00-1.60	0.045	0.045	0,55		345		510		13	21
	Q345B	0.20	1.00-1.60	0.045	0.040	0,55		345		510		13	21
GB / T971111111 (PSL1)	L175	0.21	0,60	0.030	0.030		Zowonjezera zowonjezera chimodzi mwazinthu za NBVTI kapena kuphatikiza kulikonse kwa iwo	175		310		27		Mmodzi kapena awiri mwa njira yovuta yovuta mphamvu ndi yonyamula mphamvu ikhoza kusankhidwa. Chifukwa l555, onani muyezo.
	L210	0.22	0.90	0.030	0.030			210		335		25
	L245	0.26	1.20	0.030	0.030			245		415		21
	L290	0.26	1.30	0.030	0.030			290		415		21
	L320	0.26	1.40	0.030	0.030			320		435		20
	L360	0.26	1.40	0.030	0.030			360		460		19
	L300	0.26	1.40	0.030	0.030			390		390		18
	L415	0.26	1.40	0.030	0.030			415		520		17
	L450	0.26	1.45	0.030	0.030			450		535		17
	L485	0.26	1.65	0.030	0.030			485		570		16
API 5l (PSL 1)	A25	0.21	0,60	0.030	0.030		Kwa grade b steel, nb + v ≤ 0.03%; powonjezera "	172		310		(L0 = 50.8mm) kuti awerenge malinga ndi njira zotsatirazi: e = 1944 · a0 .2 / u0.		Palibe kapena kapena zonse ziwiri mphamvu komanso dera lokongola limafunikira ngati chitsimikizo cholimba.
	A	0.22	0.90	0.030	0.030			207		331
	B	0.26	1.20	0.030	0.030			241		414
	X42	0.26	1.30	0.030	0.030			290		414
	X46	0.26	1.40	0.030	0.030			317		434
	X52	0.26	1.40	0.030	0.030			359		455
	X56	0.26	1.40	0.030	0.030			386		490
	X60	0.26	1.40	0.030	0.030			414		517
	X65	0.26	1.45	0.030	0.030			448		531
	X70	0.26	1.65	0.030	0.030			483		565

Kuphatikiza pa mphamvu zake, chitoliro chowuma china chimatha kupirira kutentha kwambiri, ndikupangitsa kukhala koyenera kwa njira zosiyanasiyana zamakisiri. Kaya amanyamula zamadzimadzi otentha kapena mpweya, kapena kugwiritsa ntchito malo osinthasintha, chitoliro chachiwiri cholumikizira chimasunga umphumphu wake ndi magwiridwe ake, kuwonetsetsa kuti agwire ntchito motsutsa.

Kuphatikiza apo, kukhazikika kwa chitoliro chazithunzi chowirikiza chimapangitsa kuti ikhale chisankho chothandiza pazinthu zothandizira mafakitale. Kutha kwawo kupirira, kuchuluka kwa zowonongeka kwina kumatanthauza kuti amafunikira kukonza komanso kubwezeretsa ndalama zonse zogwiritsira ntchito komanso nthawi yopuma.

Ponseponse, kugwiritsa ntchito chitoliro chachiwiri chowirikiza chimapereka phindu kwa ntchito zama mafakitale, kuphatikizapo mphamvu, kukhazikika komanso kudalirika. Kutha kwawo kuthana ndi zovuta zambiri, kutentha kwambiri komanso kusintha kwa zinthu zachilengedwe kumawapangitsa kukhala abwino kwa mafakitale osiyanasiyana ndi mafuta pokonza mankhwala. Ndi ntchito yake yotsimikizika ndi mbiri yautumiki, chitoliro chachiwiri ndi chofunikira kwambiri ku dongosolo lililonse la mafakitale.