Olupese OEM China ni iwọn otutu giga Sch40 A53 A106 API 5L Ailokun ati Welded Carbon Steel Pipe
Akopọ
Ise apinfunni wa nigbagbogbo lati yipada si olupese ti imotuntun ti awọn ọja paipu ti o ga julọ nipasẹ fifun ni atilẹyin awọn iwe-ẹri ti a ṣafikun ati ni ifijiṣẹ akoko, awọn agbara iṣẹ fun Pipe Irin Iṣẹ iwọn otutu giga, Awọn solusan wa ni a mọ ni gbogbogbo ati igbẹkẹle nipasẹ awọn olumulo ati pe o le ni itẹlọrun nigbagbogbo gbigba aje ati awujo aini. A ni tapa tẹle boṣewa iwulo lati ṣe ilana awọn ọja wọnyi ti o rii daju agbara to dara julọ ati igbẹkẹle ti awọn ọja naa. A tẹle imọ-ẹrọ ilana imuṣiṣẹ tuntun ti o gba wa laaye lati funni ni didara awọn ọja ti ko ni ibamu fun awọn alabara wa. A n tiraka nigbagbogbo fun pipe ati pe gbogbo awọn akitiyan wa ni itọsọna si gbigba itẹlọrun alabara pipe.
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
Àkópọ̀, | |||
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