ASTM A234 WPB & WPC paipu paipu pẹlu igbonwo, tee, atehinwa
Kemikali Tiwqn ti ASTM A234 WPB & WPC
Eroja | Akoonu,% | |
ASTM A234 WPB | ASTM A234 WPC | |
Erogba [C] | ≤0.30 | ≤0.35 |
Manganese [Mn] | 0.29-1.06 | 0.29-1.06 |
Phosphorus [P] | ≤0.050 | ≤0.050 |
Efin [S] | ≤0.058 | ≤0.058 |
Silikoni [Si] | ≥0.10 | ≥0.10 |
Chromium [Cr] | ≤0.40 | ≤0.40 |
Molybdenum [Mo] | ≤0.15 | ≤0.15 |
Nickel [Ni] | ≤0.40 | ≤0.40 |
Ejò [Cu] | ≤0.40 | ≤0.40 |
Vanadium [V] | ≤0.08 | ≤0.08 |
*Erogba Equivalent [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] ko gbodo tobi ju 0.50 a o si royin lori MTC.
Awọn ohun-ini ẹrọ ti ASTM A234 WPB & WPC
ASTM A234 onipò | Agbara Fifẹ, min. | Agbara ikore, min. | Ilọsiwaju%, min | |||
ksi | MPa | ksi | MPa | Gigun | Yipada | |
WPB | 60 | 415 | 35 | 240 | 22 | 14 |
WPC | 70 | 485 | 40 | 275 | 22 | 14 |
*1.WPB ati awọn ohun elo paipu WPC ti a ṣelọpọ lati awọn awo yoo ni elongation ti o kere ju ti 17%.
*2.Ayafi ti o nilo, iye líle ko nilo lati jabo.
Ṣe iṣelọpọ
ASTM A234 awọn ohun elo paipu irin erogba le ṣee ṣe lati awọn paipu ti ko ni oju, awọn paipu welded tabi awọn awo nipasẹ ṣiṣe awọn iṣẹ ti titẹ, lilu, extruding, atunse, alurinmorin idapọ, ẹrọ, tabi nipasẹ apapọ awọn iṣẹ ṣiṣe meji tabi diẹ sii.Gbogbo awọn welds pẹlu awọn alurinmorin ni awọn ọja tubular lati eyiti awọn ohun elo ti a ṣe ni yoo ṣee ṣe ni ibamu pẹlu ASME Abala IX.Itọju igbona lẹhin-weld ni 1100 si 1250°F[595 si 675°C] ati idanwo redio ni yoo ṣee ṣe lẹhin ilana alurinmorin.