ASTM A556 tus qauv qhia cov kev cai rau seamless carbon steel kav rau feedwater rhaub. ASTM A556 muaj nyob rau hauv ntau qib xws li A2, B2, thiab C2.
ASTM A556 alloy kav tsuas yog siv rau hauv boilers thiab petrochemical industries uas yuav tsum tau tiv taus kub, high pressures, thiab corrosive ib puag ncig. Lawv yog ib feem tseem ceeb ntawm cov cua kub exchangers.
GNEE yog ib lub chaw tsim khoom ntawm A556 tshav kub exchanger raj, thiab kuj muab ASTM A556 C2 qib seamless U-khoov steel kav.
Cov ntaub ntawv khoom
Chemical Components (%) ntawm ASTM A556 Cold Drawn Tubes
| Qib | C % | Si% | Mn% | P % | S % |
| A2 | 0.18 | ... | 0.27–0.63 | 0.035 | 0.035 |
| B2 | 0.27 max | 0.10 min | 0.29-0.93 | 0.030 max | 0.030 max |
| C2 | 0.30 max | 0.10 min | 0.29-1.06 | 0.030 max | 0.030 max |
Mechanical Properties ntawm ASTM A556 Seamless Heater Tubes
| Qib | Tensile zog, min, ksi [MPa] | Yield zog, min, ksi [MPa] | Elongation hauv 2 nti lossis 50 mm, min, % (longitudinal) | Hardness Requirements |
| A2 | 47 [320] | 26 [180] | 35 | HWV B 72 |
| B2 | 60 [410] | 37 [260] | 30 | HWV B 79 |
| C2 | 70 [480] | 40 [280] | 30 | PAB B 89 |
ASTM A556 / A556M Standard Specification rau Seamless Cold-Drawn Carbon Steel Feedwater rhaub Tube.
Qib: ASTM A556 Qib A2, Qib B2, Qib C2
Qhov Loj:
Sab nraud txoj kab uas hla: 12-40 mm
Phab ntsa Thickness: 1-4 hli
Length: Qhov siab tshaj plaws 27 m
Cov khoom tso tawm
ASTM A556 Seamless Hlau Tube
Vim li cas thiaj xaiv GNEE
GNEE tau dhau ISO9001 daim ntawv pov thawj zoo, tau txais EU PED-97-23-EC ntawv pov thawj xyoo 2010, API 5L ntawv pov thawj hauv xyoo 2012, thiab CPD-93/68/EEC ntawv pov thawj xyoo 2013.
GNEE muaj cov cuab yeej ntsuas siab tshaj plaws: X-ray flaw detection, ultrasonic flaw detection, hydrostatic pressure testing machine, tensile test machine, metallographic analyzer, physical and chemical laboratory and complete inspection system. Qhov no ua kom ntseeg tau tias kev tsim khoom thiab tshuaj xyuas cov khoom ua tau raws li cov qauv kev cai thiab ua tau raws li cov neeg siv khoom xav tau.
Yog tias koj xav paub ntau ntxiv txog peb lub tuam txhab lossis peb cov khoom, thov koj xav tiv tauj peb.sales@gneetube.com
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FAQ
Q. Koj nyob qhov twg? Kuv tuaj yeem tuaj xyuas koj?
A.Sure, koj tuaj yeem tuaj xyuas peb lub Hoobkas txhua lub sijhawm.
Q. Koj qhov kev pab cuam tom qab muag yog dab tsi?
A. Peb muab kev pab cuam tom qab muag thiab 100% kev ruaj ntseg zoo rau peb cov khoom.
Q. Koj lub sijhawm xa khoom yog dab tsi?
A. Lub sij hawm xa tuaj feem ntau yog li 1 lub hlis, yog tias peb muaj Tshuag, peb tuaj yeem xa tuaj tsis pub dhau 7 hnub.
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