Ọja Tuntun China China Didara Didara Sokiri Paint Ailokun Irin tube
Akopọ
ASTM A106Gr.B paipu irin alailẹgbẹ jẹ irin-kekere erogba kekere ti a lo lọpọlọpọ, eyiti o jẹ lilo pupọ ni epo, kemikali, ati awọn ile-iṣẹ igbomikana. Awọn ohun elo ni o ni ti o dara darí-ini. Ni akọkọ ti a lo lati gbe awọn fifa iwọn otutu bi omi, epo, gaasi, ati bẹbẹ lọ.
ASTM A106 pipe irin paipu pẹlu awọn ilana meji: iyaworan tutu ati yiyi gbona.
Ohun elo
Paipu irin ti ko ni ailopin fun iṣẹ otutu otutu ASTM A106, o dara fun iwọn otutu giga
Akọkọ ite
Ite ti erogba igbekalẹ, irin to gaju: GR.A, GR.B, GR.C
Ohun elo Kemikali
Akopọ, | |||
Ipele A | Ipele B | Ipele C | |
Erogba, max | 0.25A | 0.3B | 0.35B |
Manganese | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 |
irawọ owurọ, max | 0.035 | 0.035 | 0.035 |
Efin, max | 0.035 | 0.035 | 0.035 |
Silikoni, min | 0.10 | 0.10 | 0.10 |
Chrome, maxC | 0.40 | 0.40 | 0.40 |
Ejò, maxC | 0.40 | 0.40 | 0.40 |
Molybdenum, maxC | 0.15 | 0.15 | 0.15 |
Nickel, maxC | 0.40 | 0.40 | 0.40 |
Vanadium, maxC | 0.08 | 0.08 | 0.08 |
A Fun idinku kọọkan ti 0.01% ni isalẹ iwọn erogba ti o pọju, ilosoke ti 0.06% manganese loke iwọn ti o pọju yoo gba laaye si iwọn 1.35%. | |||
B Ayafi ti bibẹẹkọ ti ṣalaye nipasẹ ẹniti o ra, fun idinku kọọkan ti 0.01% ni isalẹ iwọn erogba ti o pọju, ilosoke ti 0.06% manganese loke iwọn ti o pọju yoo gba laaye si iwọn 1.65%. | |||
C Awọn eroja marun wọnyi ni idapo ko gbọdọ kọja 1%. |
Mechanical Ini
Ipele A | Ipele B | Ipele C | ||||||
Agbara fifẹ, min, psi(MPa) | 48 000 (330) | 60 000 (415) | 70 000 (485) | |||||
Agbara ikore, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 40 000 (275) | |||||
Gigun | Yipada | Gigun | Yipada | Gigun | Yipada | |||
Ilọsiwaju ni 2 in. (50 mm), min,% Ipilẹ elongation o kere ju awọn idanwo ila ilaja, ati fun gbogbo awọn iwọn kekere ni idanwo ni apakan kikun | 35 | 25 | 30 | 16.5 | 30 | 16.5 | ||
Nigba ti boṣewa yika 2-in. (50-mm) apẹrẹ idanwo gigun ni a lo | 28 | 20 | 22 | 12 | 20 | 12 | ||
Fun awọn idanwo rinhoho gigun | A | A | A | |||||
Fun awọn idanwo ila ilaja, iyokuro fun 1/32-in kọọkan. (0.8-mm) idinku ninu sisanra ogiri ni isalẹ 5/16 in | 1.25 | 1.00 | 1.00 | |||||
A Awọn elongation ti o kere julọ ni 2 in. (50 mm) yoo jẹ ṣiṣe nipasẹ idogba atẹle: | ||||||||
e=625000A 0.2 / U 0.9 | ||||||||
fun inch-iwon sipo, ati | ||||||||
e=1940A 0.2 / U 0.9 | ||||||||
fun awọn ẹya SI, | ||||||||
nibo: e = elongation ti o kere julọ ni 2 in. (50 mm), %, yiyi si 0.5% ti o sunmọ julọ, A = agbegbe agbelebu ti apẹrẹ idanwo ẹdọfu, ni.2 (mm2), ti o da lori iwọn ila opin ita ti a pato tabi ipin ti a sọ ni ita iwọn ila opin tabi iwọn apẹrẹ ipin ati sisanra ogiri pato, ti yika si 0.01 in.2 ti o sunmọ julọ (1 mm2) . (Ti agbegbe naa ba ṣe iṣiro jẹ dọgba si tabi tobi ju 0.75 in.2 (500 mm2), lẹhinna iye 0.75 in.2 (500 mm2) yoo ṣee lo.), ati U = agbara fifẹ pàtó kan, psi (MPa). |
Ibeere idanwo
Ni afikun si aridaju akopọ kemikali ati awọn ohun-ini ẹrọ, awọn idanwo hydrostatic ni a ṣe ni ẹyọkan, ati awọn idanwo fifẹ ati fifẹ ni a ṣe. . Ni afikun, awọn ibeere kan wa fun microstructure, iwọn ọkà, ati Layer decarburization ti paipu irin ti pari.
Agbara Ipese
Agbara Ipese: 1000 Toonu fun oṣu kan fun Ite ti ASTM SA-106 Pipe Irin
Iṣakojọpọ
Ni awọn edidi Ati Ni Alagbara Onigi apoti
Ifijiṣẹ
Awọn ọjọ 7-14 ti o ba wa ni iṣura, awọn ọjọ 30-45 lati gbejade
Isanwo
30% idogo, 70% L/C tabi B/L daakọ tabi 100% L/C ni oju