Didara to dara China Galvanized Tube Carbon Steel Seamless Pipe
Ile-iṣẹ wa ni ifọkansi lati ṣiṣẹ ni iṣootọ, ṣiṣe si gbogbo awọn alabara wa, ati ṣiṣẹ ni imọ-ẹrọ tuntun ati ẹrọ tuntun nigbagbogbo fun Pipe Pipe Irin, Ti o ba wa ni wiwa lailai O tayọ ni idiyele tita ọja giga ati ifijiṣẹ akoko. Maa sọrọ si us.Our ile wọnyi ofin ati okeere iwa. A ṣe ileri lati jẹ iduro fun awọn ọrẹ, awọn alabara ati gbogbo awọn alabaṣiṣẹpọ. A yoo fẹ lati fi idi kan gun-igba ibasepo ati ore pẹlu gbogbo onibara lati gbogbo agbala aye lori ilana ti pelu owo. A fi itara gba gbogbo awọn alabara atijọ ati awọn alabara tuntun lati ṣabẹwo si ile-iṣẹ wa lati ṣe idunadura iṣowo.
Akopọ
Ohun elo
Ti a lo ni akọkọ fun agbara ati awọn ẹya titẹ, ati fun idi gbogbogbo nya, omi, gaasi ati awọn paipu afẹfẹ.
Akọkọ ite
GR.A, GR.B
Ohun elo Kemikali
| Ipele | Apakan% ≤ | ||||||||
| C | Mn | P | S | KuA | NiA | CrA | MoA | VA | |
| Iru S (paipu ti ko ni iran) | |||||||||
| GR.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| E iru (Resistance welded paipu) | |||||||||
| GR.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| F iru (ileru Welded Pipe) | |||||||||
| A | 0.30B | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
A Apapọ awọn eroja marun wọnyi ko gbọdọ tobi ju 1.00%.
B Fun gbogbo 0.01% idinku ninu akoonu erogba ti o pọju, akoonu manganese ti o pọju ni a gba laaye lati pọ si nipasẹ 0.06%, ṣugbọn o pọju ko le kọja 1.35%.
C kọọkan 0.01% idinku ninu akoonu erogba ti o pọju yoo jẹ ki akoonu manganese ti o pọju pọ si nipasẹ 0.06%, ṣugbọn o pọju ko gbọdọ kọja 1.65%.
Mechanical Ini
| ohun kan | GR.A | GR.B |
| Agbara fifẹ, ≥, psi [MPa] Agbara Ikore, ≥, psi [MPa] Iwọn 2in.tabi 50mm elongation | 48 000 [330]30 000 [205] A, B | 60 000 [415]35 000 [240] A, B |
A The kere elongation ti won ipari 2in. (50mm) yoo pinnu nipasẹ ilana atẹle:
e=625000(1940)A0.2/U0.9
e = elongation ti o kere ju ti iwọn 2in. (50mm), ipin ti o yika si 0.5% ti o sunmọ;
A = Iṣiro ni ibamu si iwọn ila opin ti ita ti tube ipin tabi iwọn ipin ti ayẹwo fifẹ ati sisanra ogiri rẹ pato, ati yika si agbegbe agbegbe agbelebu ti o sunmọ julọ ti ayẹwo fifẹ ti 0.01 in.2 (1 mm2), ati pe a fiwewe pẹlu 0.75in.2 (500mm2), eyikeyi ti o kere.
U = pato agbara fifẹ ti o kere ju, psi (MPa).
B Fun ọpọlọpọ awọn akojọpọ ti awọn titobi oriṣiriṣi ti awọn apẹẹrẹ idanwo fifẹ ati agbara fifẹ ti o kere ju, elongation ti o kere julọ ti a beere ni han ni Tabili X4.1 tabi Tabili X4.2, ni ibamu si iwulo rẹ.
Ibeere idanwo
Idanwo fifẹ, idanwo atunse, idanwo hydrostatic, idanwo itanna aiṣedeede ti awọn welds.
Agbara Ipese
Agbara Ipese: 2000 Toonu fun oṣu kan fun Ipele ASTM A53/A53M-2012 Irin Pipe
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
Alaye ọja
Tube igbomikana
GB/T 8162-2008
ASTM A519-2006
BS EN10210-1-2006
ASTM A53 / A53M-2012
GB9948-2006
GB6479-2013
