ASTM A302 Qib D (A302GRD) Siab Vessel Thiab Boiler Steel Phaj Daim Ntawv Thov: ASTM A302 Qib D (A302GRD) Lub Nkoj Siab Thiab Boiler Steel Phaj yog siv rau hauv Lub Nkoj Siab, Boiler, Cia Tank thiab Kub Exchanger hauv Roj, Gas Project.
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A302 Qib D tshuaj muaj pes tsawg leeg |
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Carbon, max |
% |
Manganese, max |
% |
Silicon, max |
% |
Sulfur max |
% |
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25mm los yog qis dua |
0.2 |
Kev Ntsuas Kub |
1.15-1.50 |
Kev Ntsuas Kub |
0.15-0.40 |
Tag nrho cov tuab |
0.035 |
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25-50 hli |
0.23 |
Kev tshuaj xyuas khoom |
1.07-1.62 |
Kev tshuaj xyuas khoom |
0.13-0.45 |
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tshaj 50mm |
0.25 |
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Molybdenum max |
% |
Nickel max |
% |
Phosphorus |
% |
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|
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Kev Ntsuas Kub |
0.45-0.60 |
Kev Ntsuas Kub |
0.70-1.00 |
Tag nrho cov tuab |
0.035 |
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|
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Kev tshuaj xyuas khoom |
0.41-0.64 |
Kev tshuaj xyuas khoom |
0.67-1.03 |
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Carbon sib npaug: Ceq=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
Technical Requirements & Kev Pab Ntxiv:
♦ Kev ntsuam xyuas siab
♦ Qhov ntsuas kub tsis tshua muaj kev cuam tshuam
♦ Normalized rau daim hlau tuab tshaj 40mm
♦ Simulated ncej-welded kev kho cua sov (PWHT)
♦ Rolling raws li tus qauv NACE MR-0175 (HIC + SSCC)
♦ Tshaj tawm Orginal Mill xeem daim ntawv pov thawj raws li EN 10204 FORMAT 3.1/3.2
♦ Kev txhaj tshuaj blasting thiab pleev xim, txiav thiab vuam raws li tus neeg siv kawg xav tau
Cim npe nrov: Tuam Tshoj astm a302 qib d nkoj steel manufacturers, lwm tus neeg, Hoobkas
