Cov khoom lag luam
Lub ASTM A572 Cov lus qhia tshwj xeeb yog cov txheej txheem tshwj xeeb rau high}}}} alloy columbium cov hlau rau siv nyob rau hauv kev siv dav dav thiab kev siv qauv txheej txheem.
ASTM A572 suav nrog tsib qib nrog rau cov txiaj ntsig tsawg kawg ntawm 42, 50, 55, 60, thiab 65 ksi, feem. Rau cov ntawv thov nyob qhov twg Keych Toubness yog qhov tseem ceeb, sab laj rau cov charpy sprpy v {}} tsis yuav muaj. ASTM A572 qib tau siv nyob rau hauv ntau cov qauv kev thov hauv ntau ntu kev ua lag luam.
Kev qhia tshwj xeeb ntawm Astm A572 Gr.50 Hlau Phaj
|
Qho loj dav |
Muaj ntau |
|---|---|
|
Qhov tuab |
6 hli - 200 hli |
|
Qhov dav |
1500mm - 3200 hli |
|
Qho ntev |
Txog 1800mm |
ASTM A572 GR.50 Tshuaj Muaj pes tsawg leeg
|
Lub ntsiab |
Muaj pes tsawg leeg (%) |
|---|---|
|
Carbon (c) |
Tsawg dua los yog sib npaug rau 0.23 |
|
Manganese (mn) |
Tsawg dua los yog sib npaug rau 1.35 |
|
Phosphorus (p) |
Tsawg dua los yog sib npaug rau 0.04 |
|
Sulphur (s) |
Tsawg dua los yog sib npaug rau 0.05 |
|
Silicon (si) |
Tsawg dua los yog sib npaug rau 0.40 |
|
Vanadium (V) |
Tsawg dua los yog sib npaug rau 0.05-0.15 |
|
Columbium (NB) |
Tsawg dua los yog sib npaug rau 0.005-0.05 |
|
Tooj Liab (Cu) (yeem) |
Ntau dua los yog sib npaug rau 0.20 |
ASTM A572 GR.50 Cov Khoom Siv Neeg Kho Tshuab
|
Ntiag tug |
Tus nqi |
|---|---|
|
Yield zog (min) |
345 MPa (50 Ksi) |
|
Lub zog tensile |
450 MPA (65 KSI) MIN |
|
Elongation (hauv 200 hli) |
Ntau dua los yog sib npaug rau 18% |
|
Elongation (hauv 50 hli) |
Ntau dua los yog sib npaug rau 21% |
|
Charpy Feem (ntawm 0 degree, yeem) |
Ntau dua los yog sib npaug rau 27 j |
Cov qhab nia sib npaug ntawm Astm A572 Gr.50
|
Lub hom phiaj |
Xws li qib |
|---|---|
|
EN 10025 |
S355jr / s355j0 |
|
Din |
St52-3 |
|
JIS |
SM490A / SM490YA |
|
Tus kab laug gb |
Q345B / Q345D Q355B / Q355D |
|
Bs |
50B / 50C |
Kev Siv ntawm Astm A572 Qib 50 Hlau Phaj
Qhov yoog tau ntawm ASTM A572 Qib 50 Hlau Hlau Phaj Qhia Ntau Qhov Kev Ua Tsaug Rau Nws Lub Zog. Hauv cov choj, A572 Qib 50 Choj Hlau phaj ruaj gobders thiab txhawb nqa rau ncua ntev.
High -}}}}}}} Cov hlau txheem sib tw rau nws ua A572 cov qauv hlau rau av qeeg- ntawv pov thawj. Nws yog qhov tseem ceeb hauv kev siv tshuab zoo li kev sib cav thiab cov rigs rau nws cov kev cuam tshuam rau nws.
Lwm yam kev siv suav nrog lub zog poles, cov tsheb ciav hlau, thiab ua liaj ua teb siv. Raws li koj cov qauv steel phaj, gnee steel muab A572 Gr.50 ua raws li ASME, en, JIS, thiab SURIDE, tsev, thiab dhau mus.
