ASTM A53 Grade B Seamless bụ ngwaahịa anyị kacha ewu ewu n'okpuru nkọwapụta a yana ọkpọkọ A53 na-akwadokarị ya na ọkpọkọ A106 B enweghị nkebi.
ASTM A53 Ọkwa B bụ ihe n'okpuru American ígwè anwụrụ ọkọlọtọ, API 5L Gr.B bụkwa American ọkọlọtọ ihe onwunwe, A53 GR.B ERW na-ezo aka electric iguzogide welded ígwè ọkpọkọ nke A53 GR.B; API 5L GR.B Welded na-ezo aka n'ihe a na-agbado nchara nke API 5L GR.B.
Njirimara kemịkalụ%
| / |
Ọkwa |
C,
max |
Mn,
max |
P,
max |
S,
max |
Ku*,
max |
Ee*,
max |
Kr*,
max |
Mo*,
max |
V*,
max |
| Ụdị S (enweghị nkebi) |
A |
0.25 |
0.95 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
| B |
0.3 |
1.2 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
| Ụdị E (Electric-resistance Welded) |
A |
0.25 |
0.95 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
| B |
0.3 |
1.2 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
| Ụdị F (ọkụ welded) |
A |
0.3 |
1.2 |
0.05 |
0.05 |
0.4 |
0.4 |
0.4 |
0.15 |
0.08 |
* Ngụkọta ihe mejupụtara maka ihe ise ndị a agaghị agafe 1.00%
Ihe eji arụ ọrụ
|
Ọkwa A |
Ọkwa B |
| Ike tensile, min., psi, (MPa) |
48,000 (330) |
60,000 (415) |
| Ike Mpụta, min., psi, (MPa) |
30,000 (205) |
35,000 (240) |
(Rịba ama: Nke a bụ nkọwa sitere na ASME Specification A53. Biko rụtụ aka na ọkọlọtọ ma ọ bụ nkọwapụta akọwapụtara ma ọ bụ kpọtụrụ anyị maka nkọwa ndị ọzọ.)
ASTM A53 enweghị nkebi ígwè ọkpọkọ bụ ọkọlọtọ American. A53-F kwekọrọ na ihe Q235 nke China, A53-A kwekọrọ na ihe China nke 10, na A53-B kwekọrọ na ihe China nke 20.
Usoro mmepụta
A na-ekewa usoro nrụpụta ọkpọkọ igwe anaghị agba nchara n'ime ọkpọkọ na-ekpo ọkụ na oyi na-atụ.
1. Usoro mmepụta nke ọkpọkọ ígwè na-ekpo ọkụ na-ekpo ọkụ: tube billet → kpo oku → perforation → atọ-roller / cross-roll & continuing rolling → de-pipe → size → cooling → straightening → hydraulic test → marking → enweghị nkebi ígwè ọkpọkọ nwere mmetụta leverage achọpụtara.
2. Mmepụta usoro nke oyi adọta enweghị nkebi ígwè tubes: tube oghere → kpo oku → perforation → isi → annealing → pickling → oiling → otutu oyi ịbịaru → oghere tube → okpomọkụ ọgwụgwọ → ịgbatị → hydraulic ule → marking → nchekwa.
Ngwa
1. Mwube: pipeline n'okpuru, mmiri ala, na njem mmiri ọkụ.
2. Mechanical nhazi, ebu aka uwe, nhazi akụkụ ígwè, wdg.
3. Eletriki: nnyefe gas, mmiri ọkụ mmiri mmiri ọkụ
4. tubes mgbochi static maka osisi ike ikuku, wdg.
