A515 Qib 70 yog lub siab -lub zog, carbon- silicon steel phaj (ASTM A515 Gr 70) tsim rau welded boilers thiab siab hlab ntsha nyob rau hauv nruab nrab mus rau siab- qhov kub thiab txias kev pab cuam, muab zoo heev zog (70-90 ksi tensile) thiab weldability zoo, tab sis nws tsis yog siv nyob rau hauv cov kev pab cuam uas tsis tshua muaj zog thiab tsawg-temp. kev lag luam.
Tshuaj muaj pes tsawg leeg
|
Kev xav tau tshuaj |
||||
|---|---|---|---|---|
|
Cov ntsiab lus |
Kev sib xyaw,% |
|||
|
Qib 60 [Qib 415] |
Qib 65 [Qib 450] |
Qib 70 [Qib 485] |
||
|
Cov pa roj carbon, max:A,B |
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|
1 nti [25 mm] thiab qis dua |
0.24 |
0.28 |
0.31 |
|
|
Tshaj 1 mus rau 2 nyob rau hauv. [25 mus rau 50 mm], incl |
0.27 |
0.31 |
0.33 |
|
|
Tshaj 2 mus rau 4 nti [50 mus rau 100 mm], incl |
0.29 |
0.33 |
0.35 |
|
|
Tshaj 4 mus rau 8 hauv, [100 txog 200], incl |
0.31 |
0.33 |
0.35 |
|
|
Tshaj 8 nti [200 mm] |
0.31 |
0.33 |
0.35 |
|
|
Manganese,B max |
||||
|
Kev ntsuas kub |
0.90 |
0.90 |
1.2 |
|
|
Kev tshuaj xyuas cov khoom |
0.98 |
0.98 |
1.3 |
|
|
Phosphorus, maxA |
0.025 |
0.025 |
0.025 |
|
|
Sulfur, max A |
0.025 |
0.025 |
0.02 |
|
|
Silicon: |
||||
|
Kev ntsuas kub |
0.15-0.40 |
0.15-0.40 |
0.15-0.40 |
|
|
Kev tshuaj xyuas cov khoom |
0.13-0.45 |
0.13-0.45 |
0.13-0.45 |
|
Mechanical Properties
|
Tensile Requirements |
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|---|---|---|---|---|
|
|
Qib |
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|
60 [415] |
65 [450] |
70 [485] |
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|
Tensile zog, ksi [MPa] |
60-80 [415-550] |
65-85 [450-585] |
70-90 [485-620] |
|
|
Yield zog, min, ksi [MPa] |
32 [220] |
35 [240] |
38 [260] |
|
|
Elongation hauv 8 nti [200 mm], min, %A |
21 |
19 |
17 |
|
|
Elongation hauv 2 nti [50 mm], min, %A |
25 |
23 |
21 |
|
Daim ntawv thov:
ASTM A515 steel phaj feem ntau siv hauv:
Kev tsim cov hlab ntsha siab rau kev lag luam roj thiab roj.
Kev tsim kho ntawm boilers thiab tshav kub exchangers.
Fabrication ntawm industrial cia tso tsheb hlau luam thiab lwm yam siab- khoom siv rhiab heev.
Cov ntawv thov uas yuav tsum tau muaj zog thiab ua haujlwm ntev, tshwj xeeb tshaj yog nyob rau hauv siab - qhov kub thiab txias.
Yog tias koj muaj qhov yuav tsum tau ua rau A515 Qib 70, peb txais tos koj nug. GNEE tuav cov khoom lag luam loj uas feem ntau siv cov qib siab zog steel rau koj xaiv.Rau cov ncauj lus kom ntxaws txhua yam khoom, tshuaj lom neeg muaj pes tsawg leeg, thiab cov ntaub ntawv kev, nrog rau cov qauv dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw, ruaj khov zoo, thiab kev pabcuam tshaj lij. Email: beam@gneesteelgroup.com.
Qib 70 steel sib npaug li cas?
ASTM A516 Qib 70 yog lub boiler / siab hlab ntsha zoo ntawm steel phaj siv rau hauv cov kev pabcuam qis rau nruab nrab. Nws tau txhim kho qhov kev sib tw toughness. A516 GD70 steel phaj yog sib npaug rau qib P355GH thiab 490B.
A 515 70 khoom yog dab tsi?
A515 npog carbon steel phaj rau siv nyob rau hauv cov hlab ntsha siab ntawm ambient thiab siab kub kev pab cuam. Cov alloy koom nrog rau qhov tshwj xeeb yog qhov zoo ib yam li AISI 1330 steel. Siv rau siab zog phaj uas yog fabricated rau hauv siab hlab ntsha rau nruab nrab thiab siab kub kev pab cuam xws li boilers.