JIS G3101 SS400 SSAW Pipe

SS400 steel yeeb nkab yog Japanese tus qauv carbon structural steel yeeb nkab, sib npaug rau Tuam Tshoj Q235 steel. Nyob rau hauv cov qib Japanese steel (JIS series), cov qauv hlau zoo tib yam muaj feem ntau ntawm peb ntu: SS400- qhov twg thawj 'S' sawv cev rau Steel, qhov thib ob 'S' rau Structure, thiab 400 qhia qhov qis dua ntawm tensile lub zog ntawm 400 MPa, qhia tias nws yog ib tug dav structural steel nrog ib tug tensile zog ntawm 400 MPa.

JIS G3101 SS400 SSAW Welded Yeeb Nkab Specification

Qhov Chaw Keeb Kwm:	Tuam Tshoj
Oiled los yog tsis yog oiled:	Tsis yog roj
Alloy los yog Tsis:	Tsis-Alloy
Kev kam rau siab:	±1%
Sab nraud txoj kab uas hla:	13 - 600 hli
Phab ntsa Thickness	0 4-25mm
Ntev:	1-12m
Cov duab:	Hloov, Square lossis Rectangular
Kev Pabcuam	Bending, Vuam, Decoiling, Punching, Txiav
Technology	kub dov, txias dov, dub annealed
Daim ntawv pov thawj:	ISO9001, SGS
Pob	Standard Seaworthy Packing, khi nrog steel mus ncig ua si, ces qhwv los ntawm cov khoom yas los yog raws li kev thov
Them Nyiaj:	L / CT / T (30% Deposit)

SS400 Welded yeeb nkab

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kev tshuaj xyuas ntawm SS400 Kauv Steel Pipes

1. Kev tshuaj xyuas qhov muag:
Kev tshuaj xyuas qhov muag ntawm cov kav dej kauv yog ib txoj hauv kev siv dav thiab kev sim yooj yim, tseem ceeb heev rau kev tshuaj xyuas cov khoom kom pom qhov tsis xws luag thiab sib txawv, tshwj xeeb tshaj yog nyob rau saum npoo ntawm weld seams. Qhov kev tshuaj xyuas no feem ntau yog ua kom pom kev siv cov qauv qauv, cov cuab yeej, thiab cov cuab yeej xws li tsom iav tsom iav. Deg tsis xws luag thiab vuam flaws yuav qhia tau hais tias muaj teeb meem sab hauv.

2. Cov txheej txheem kuaj lub cev:
Txoj kev kuaj lub cev cia siab rau kev tshawb pom lub cev tshwm sim lossis siv cov txheej txheem kuaj lub cev tshwj xeeb. Txoj kev kuaj tsis muaj kev puas tsuaj feem ntau yog ua haujlwm los tshuaj xyuas qhov tsis xws hauv cov ntaub ntawv lossis hauv cov welds ntawm cov kav dej. Cov txheej txheem muaj xws li kuaj ultrasonic, kuaj radiographic, kuaj penetrant, kuaj magnetic particle, thiab lwm yam.

3. Hydrostatic Test Standards rau Kauv Steel Pipes:
Txhua cov yeeb nkab tau dhau los ua kev sim hydrostatic kom paub tseeb tias tsis muaj qhov xau. Qhov ntsuas siab (Mpa S-static hydrostatic test siab) yog xam raws li P=2ST/D, qhov twg D yog txoj kab uas hla. Rau cov kav dej nrog D < 508, lub sijhawm ntsuas tsawg dua 5 vib nas this; rau D Ntau dua lossis sib npaug rau 508, lub sijhawm xeem tsawg dua 10 vib nas this. Weld seams, steel taub hau pob qij txha, thiab ncig welds raug kuaj tsis muaj kev puas tsuaj, feem ntau yog siv X-ray lossis kuaj xyuas ultrasonic. Rau cov kav dej thauj cov kua dej ua paug, 100% X-ray lossis kuaj ultrasonic yog yuav tsum tau. Rau cov kav dej cua sov dav dav thauj cov kav dej (dej, dej phwj tuaj, huab cua, chav), kauv welds yuav tsum tau kuaj X-ray lossis kuaj ultrasonic (20%).

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