Ib tug 299 hlau yog ib qib tseem ceeb nyob rau hauv ASTM txuj, ib chav ntawm chav boiler thiab siab rau siab. Xa mus rau A299 Tshuaj Muaj Zog, A299 Cov Khoom Siv Cov Neeg Kho Tshuab, A299 tau pom zoo tias txhua daim hlau mus ua kom zoo dua cov hlau kom zoo thiab kev nyab xeeb thaum siv cov kev kub siab nyob hauv vaj.
A299 Qib Ib Lub Phaj Steel
Cov Qauv Hlau: Astm A299 / A299m
Daus Hom: Boiler Hlau Phaj, Siab Hlis Hlau Hlau Phaj
Thickness: 6mm-300mm
Dav: 1500mm-4200mm
Ntev: 3000mm-18/mm
Kev Kho Cua Sov: AR / Kev Nyab Xeeb Rov Qab / Qub
A299 Qib A, A299grra steel phaj, A299 Cov Ntawv Hlau uas tsim nyog yog tias muaj kev ntxhov siab rau cov roj av A20 / A20M Steel txheem.
Tshuaj lom neeg tshuaj lom neeg rau A299 Qib Ib Lub Phaj Steel
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A299 Qib ATshuaj Muaj Tshuaj |
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Teem nqi |
Lub caij max (%) |
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C |
Si |
Mn |
P |
S |
Mo |
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A299 Gr.A |
0.28-0.30 |
0.13-0.45 |
0.84 -1.62 |
0.035 |
0.035 |
- |
Carbon sib npaug: CeQ=【C + MNE C + V) / {} (NI + CU) / 15】%
Cov cuab yeej siv mennical rau A299 Qib Ib Hlau Hlau:
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Teem nqi |
A299 Qib ACov Cuab Yeej Cuab Yeej Cuab Yeej |
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|
Qhov tuab |
Pub |
Lub tensile |
Elongation |
|
|
A299 Gr.A |
lub hli |
Min MPa |
MPa |
Min% |
|
t tsawg dua li lossis sib npaug nrog 50 |
275-290 |
515-655 |
19 |
|
|
50<> |
275-290 |
515-655 |
19 |
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