UMvelisi weMibhobho yentsimbi eKhokelayo kunye noMboneleli eTshayina |

ASTM A672 B60/B70/C60/C65/C70 LSAW LSAW Umbhobho wentsimbi yeCarbon

Inkcazelo emfutshane:

Ubungakanani: 10-660mm Idayamitha yaNgaphandle, 1.0-100mm Ukutyeba kweendonga

Ubude: Ubude obulungisiweyo 5.8m, 6m, 11.8m okanye ngokwezifiso.

Ukuphela: Isiphelo esicacileyo / esibeveled, iGroove, iTread,eta.

Ukwaleka: Ukwaleka ivarnish, idiphu eshushu yenziwe yagalvanized, iileya ezi-3 zePE, FBE, njl.

Itekhnoloji: ukuwelda kwe-arc emanzini.

 

Iinkcukacha zeMveliso

Iimveliso ezinxulumeneyo

Iithegi zeMveliso

Ukusetyenziswa kwe-ASTM A672 B60/B70/C60/C65/C70I-LSAW yeCarbon Steel Pipe:

I-ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) iCarbon Steel Pipe isisetyenziswa kwimeko yoxinzelelo oluphezulu kwaye isetyenziswa ikakhulu kwiplanti yamandla, kwishishini leoli elingaphesheya, ishishini lemichiza, Isichumisi, iikhemikhali zepetroli, iindawo zokucokisa njl.njl.

Umboniso weMveliso:

LSAW ASTM A672
I-ASTM A672 A50
I-ASTM A672 B55

Inkqubo yokuVeliswa kweI-ASTM A672B60/B70/C60/C65/C70 LSAW Umbhobho Wentsimbi yeKhabhoni:

I-ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) iCarbon Steel Pipe iyakudityaniswa kabini, iiwelds ezingena ngokuzeleyo zenziwe ngokuhambelana nemigaqo kunye nabadibanisi okanye abawelding abafanelekileyo ngokuhambelana ne-ASME Boiler kunye neKhowudi yeVessel yoxinzelelo. , Icandelo IX.

Unyango loBushushu lwe-ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Umbhobho weNtsimbi yeCarbon:

Zonke iiklasi ngaphandle kwe-10, i-11, i-12 kunye ne-13 iya kuphathwa ukushisa kwisithando somlilo esilawulwa kwi-±15℃ kwaye ixhotyiswe nge-hydrometer yokurekhoda ukwenzela ukuba iirekhodi zokufudumeza zifumaneke.

Iinkcukacha ze-ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Umbhobho Wentsimbi yeCarbon:

Ukwenziwa:I-Longitudinally Submerged Arc Welding (LSAW).

Ubungakanani:I-OD: 406~1422mm WT: 8~60mm.

Ibakala:B60, C60, C65, njl.

Ubude:3-12M okanye ubude obuchaziweyo njengoko kufuneka.

Iphela:Isiphelo esicacileyo, iBeveled End, iGrooved.

Ubume beMichiza ye-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho wentsimbi yeCarbon:

Iimfuno zeMichiza ye-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho weNtsimbi yeCarbon

Umbhobho

IBanga

Ukuqamba, %

C

max

Mn

 

P

max

S

max

Si

Abanye

   

<=1in

(25mm)

>1~2in

(25~50mm)

>2~4in(50-100mm)

>4~8in

(100~200mm)

>8in

(200mm)

</=1/2in

(12.5mm)

>1/2in

(12.5mm)

       
 

60

0.24

0.21

0.29

0.31

0.31

0.98ubuninzi

0.035

0.035

0.13–0.45

...

65

0.28

0.31

0.33

0.33

0.33

0.98ubuninzi

0.035

0.035

0.13–0.45

...

70

0.31

0.33

0.35

0.35

0.35

1.30 ubuninzi

0.035

0.035

0.13–0.45

...

C

55

0.18

0.20

0.22

0.24

0.26

0.55–0.98

0.55–1.30

0.035

0.035

0.13–0.45

...

60

0.21

0.23

0.25

0.27

0.27

0.55–0.98

0.79–1.30

0.035

0.035

0.13–0.45

...

65

0.24

0.26

0.28

0.29

0.29

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

...

70

0.27

0.28

0.30

0.31

0.31

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

...

IiPropati zoomatshini ze-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho weNtsimbi yeCarbon:

Iipropati zoomatshini

IBanga

 

B60

B65

B70

C55

C60

C65

C70

Amandla okuqina, min:

ksi

60

65

70

55

60

65

70

Mpa

415

450

485

380

415

450

485

Amandla emveliso, min:

ksi

32

35

38

30

32

35

38

MPa

220

240

260

205

220

240

260

IiMfuno zokwandiswa: Ngokomgangatho

Ukwahluka okuvumelekileyo kubunzima kunye nemilinganiselo:

1. Idayamitha yangaphandle-Ngokusekwe kumlinganiselo wesangqa ±0.5% wedayamitha yangaphandle echaziweyo.

2. Ngaphandle kwe-Roundness-Umahluko phakathi kweedayamitha ezinkulu nezincinci zangaphandle.

3. Ulungelelwaniso-Ukusebenzisa i-10 ft (3m) i-straightedge ebekwe ukwenzela ukuba iziphelo zombini zidibene nombhobho, 1/8 ngaphakathi. (3mm).

4. Ukutyeba-Ubuncinane bodonga lobukhulu nakweyiphi na indawo kumbhobho abuyi kuba ngaphezu kwe-0.01 ngaphakathi (0.3mm) phantsi kobukhulu obuxeliweyo obuchaziweyo.

5. Ubude obuneziphelo ezingasetyenziswanga buya kuba ngaphakathi -0+1/2 phakathi. (-0+13mm) koko kuchaziweyo.Ubude obuneziphelo zoomatshini buya kuba njengoko kuvunyelwene ngazo phakathi komvelisi kunye nomthengi.

Iimvavanyo zoomatshini ze-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho wentsimbi yeCarbon:

Uvavanyo lweTension-Iipropati ezinqamlezileyo zokuqina kwekhonkco elidityanisiweyo ziya kuhlangabezana nezona mfuno zisezantsi zokuqina kokuqina kwemathiriyeli yepleyiti echaziweyo.

Uvavanyo lwe-weld-bent-bent tests-Uvavanyo lwe-bend luya kwamkeleka ukuba akukho zintanda okanye ezinye iziphene ezidlula i-1/8 in.

Uvavanyo lweRadio-graphic-Ubude obupheleleyo beweld nganye yodidi lwe-X1 kunye ne-X2 buya kujongwa ngokwerediyo ngokuhambelana kwaye kuhlangabezene neemfuno zeKhowudi yeBhola ye-ASME kunye noxinzelelo lweVessel, iCandelo lesixhenxe, umhlathi UW-51.

Imbonakalo ye-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho wentsimbi yeCarbon:

Umbhobho ogqityiweyo awuyi kuba neziphene ezonzakalisayo kwaye uya kuba nesiphelo esifana nomsebenzi.

Ukumakishwa kwe-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho weNtsimbi yeKhabhoni LSAW:

A. Igama lomenzi okanye uphawu.
B. Inombolo yenkcazo(unyaka-umhla okanye efunekayo).
C. Ubungakanani ( OD, WT, ubude).
D. IBanga ( A okanye B).
E. Uhlobo lombhobho ( F, E, okanye S).
F. Uxinzelelo lovavanyo (umbhobho wentsimbi ongenamthungo kuphela).
G. Inani lobushushu.
H. Naluphi na ulwazi olongezelelweyo oluchazwe kumyalelo wokuthenga.

Ukupakisha i-ASTM A672 B60/B70/C60/C65/C70 LSAW Umbhobho wentsimbi yeCarbon:

● Umbhobho ongenanto okanye uMnyama / iVarnish yokugqoka / i-Epoxy coating / i-3PE yokugqoka (ngokweemfuno zomthengi);

● 6"nangaphantsi ube zizithungu ezinezilingi zomqhaphu ezibini;

● Zombini ziphela kunye nabakhuseli bokugqibela;

● Isiphelo esicacileyo, isiphelo se-bevel (2"nangaphezulu sineziphelo ze-bevel, idigri: 30 ~ 35 °), intambo kunye nokudibanisa;

● Ukumakisha.


  • Ngaphambili:
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