Shachyen shaga ai
ASTM A179 / ASME SA179 gaw, n-gun n rawng ai, katsi ai-htu ai, n-gun n rawng ai-carbon n-gang n-gang ni hpe n-gun rawng ai hku n-gun rawng ai hku htawt sit lu na matu hte kam mai ai hkrang shapraw ai lam hpe galaw lu na matu engineering galaw da ai hpe lachyum shaleng da ai. Minimum-bunghku hpe gawgap nna, n-gun ja ai nhprang sut rai ni hpe hkang zing ai lam ni hte, ndai hka htung ni hpe, nhprang wan sau htu shapraw ai, wan sau htu shapraw ai, n-gun dat htu shapraw ai bungli ni hta, n-gun galai shai ai jak ni hte n-gun shayawm ai jak ni hta law law lang lang nga ai.Octal Pipe gaw mungkan ting na EPC hte jak rung galaw ai ni a matu A179/SA179 hka htung ni hpe jaw ya ai, bare tubes hte U-bend hpawng ni lahkawng yan hpe madi shadaw ya ai.
Chemical hpan shalat ai lam
Carbon n law ai chemistry gaw U-bending hte hka htung - kaw nna - hka htung npu de jat wa na matu katsi ai bungli galaw lu ai atsam hpe jat ya ai.
|
Hkarang jet |
Ra ai lam (wt%) |
Hpaji masa a ahkyak ai lam |
|
Kabon (C) |
0.06–0.18 |
Hpan shalat na matu ductility hpe makawp maga ya ai |
|
Manga (Mn) |
0.27–0.63 |
N-gun ja shangun ai hte deoxidation hpe shayawm ya ai |
|
Phosphorus (P) |
0.035 hta n law ai (sh) maren sha re. |
N-gun n rawng ai hpe pat shingdang ai |
|
Nhprang wan sau (S) |
0.035 hta n law ai (sh) maren sha re. |
San seng ai kata lam hte weldability |
Hpaji hte seng ai atsam marai ni
|
A rai |
Kaji dik htum ra ai lam |
Heat galai shai ai hta lit |
|
Tensile n-gun |
325 MPa (47 ksi) hta grau kaba ai (sh) maren sha re. |
Hkrang shapraw ai shimlam margin |
|
Yield N-gun |
180 MPa (26 ksi) hta grau kaba ai (sh) maren sha re. |
Forming galaw ai shaloi hkrang nsam galai shai ai lam hpe hkang ai |
|
galu wa ai |
35% hta grau kaba ai (sh) maren sha re |
Hkamja lam hte jat wa na matu ahkyak ai |
|
N-gun ja ai |
HRB hta n law ai (sh) maren sha re. |
U-bending galaw ai shaloi n-gun n rawng ai hpe pat shingdang ai |
Ndai atsam ni gaw, exchanger bundles ni hta shim lum ai hku galaw shapraw lu nna, ngang grin ai magam bungli hpe galaw lu shangun ai.

Hpaga lam hte katsi ai tsi lajang ai lam
ASTM A179 / ASME SA179 hka htung ni hpe hkang zing da ai n-gun n rawng ai galaw shapraw ai bungli masa hku nna galaw shapraw nna, dai hpang hkrak hkrak katsi ai sumla hkrung hpe galaw nna, n-gun rawng ai dimensional hkam sharang lam ni hpe lu la na matu hte n-gun rawng ai kata na ntsa lam ni hpe grau kaja hkra galaw shapraw ai.
Seamless galaw shapraw ai ladat
Hollow billet → htu ai → katsi ai hku byin pru wa ai → law law -lai wa ai katsi ai sumla
Dimensional hkang ai lam gaw, kaji dik htum-bunghku ra ai lam hpe hkrak hkrak lu la hkra galaw ya ai
Katsi ai sumla gaw ntsa lam hpe grau kaja hkra galaw ya nna, kata na san seng ai lam hpe jat ya ai-heat exchangers ni hta awu asin byin ai lam hpe shayawm na matu ahkyak ai
Hpang jahtum na katsi tsi lajang ai lam
Hpang jahtum na katsi ai-draw pass ngut ai hpang, hka htung ni hpe 100 hta katsi ai hku galaw ai.1200℃F hta grau kaba ai (sh) maren sha re ( 650℃hta grau kaba ai (sh) maren sha re) .de:
- Katsi ai bungli a majaw ngam nga ai myit ru myit tsang lam ni hpe shayawm ya ai
- 2019 ning a matu ra ai ductility hpe bai gram lajang u.U-bending hte hka htung hpe jat ai
- Cyclic thermal loads npu hta aten galu-hkum hkrang ngang grin ai lam hpe gram lajang u
Npu masa hte hkyen lajang ai lam
- Jaw ya aishadawn shadang-lawt aiKaja dik htum thermal bungli galaw ai lam hpe matut manoi galaw na matu
- Hpang jahtum ni gawsan seng ai hte n-gun n rawng ai, hpawng de ai shaloi kam mai ai weldability (sh) jak hte jat wa ai hpe kam hpa ai
- Ndai galaw shapraw ai hte nhprang sut rai ni hpe hkang ai lam gaw, n-gun ja ai-exchanger bundle ni hta galu kaba ai prat, npawt nhpang kam hpa mai ai lam, shim lum ai hku jung da lu na matu karum ya ai.
Jep joi ai lam hte chyam dinglik ai lam
ASTM A179 hte ASTM A450/A450M hte maren:
|
Jep joi ai arung arai |
Yaw shada ai lam |
|
Hka n-gun n rawng ai (sh) NDE chyam yu ai |
Leak-hkum pat ai lam hpe jep yu ai |
|
Flattening chyam yu ai |
Nsen hte ductility hpe jep yu ai |
|
Flaring / Galai shai ai chyam dinglik ai lam |
Tubesheet jat ai atsam hpe jep joi ya ai |
|
Hardness hpe chyam yu ai |
Cold-bungli madang hpe madi shadaw ai lam |
|
Marking & MTC hkan tam lu ai lam |
QA hpe bai maram yu ai hte masing hpe jep joi ai lam ni hpe madi shadaw ya ai |
Engineering hte mari ai lam hta ra kadawn ai lam ni
|
Pang |
Hpaji hparat lam matsun |
Hpa hpe tsun dan na |
|
Tube kaba ai |
OD 3.2-76.2 mm (1/8-3 in) |
OD × kaji dik htum bunghku n-gun × galu kaba ai |
|
Hpan shalat lu ai atsam |
U-bend hte jat wa na matu htap htuk ai |
Min. 2-2.5 × OD hta grau kaba ai (sh) maren sha re. |
|
Npu masa |
N san seng ai hpe hkang lu ai & katsi ai hpe galaw lu ai atsam |
Scale-makawp maga da ai jahtum ni hte lawt lu ai |
|
Jep joi ai madang |
System ahkyak ai lam hpe madung tawn nna |
Hka n-gun/NDE + n-gun chyam dinglik ai lam ni |
|
Laika ka ai |
Audit & code hkan sa ai lam |
MTC hpe tup hkrak hkan tam lu ai |
|
Htingrai htingrat ai lam hte htaw sa ai lam |
Corrosion hte hkra machyi ai lam ni hpe pat shingdang u |
Panglai-madang dut shabra ai lam hpe makawp maga ai |
Lahkawng yan hpe madi shadaw ai daw langaimakaHtemari ai lamdawdan lam ni hpe galaw ai.
Laika shawk shawn ai lam ni
- Shell & tube katsi galai ai jak ni
- N-gun-hpun n-gun n-gun
- Refinery katsi ai wanleng ni
- Hpaga lam hta lang ai chiller hte nbung katsi ai
- Katsi ai hpe ningdang kau ai ladat ni hpe galaw ai
- Chloride-hkap la ai media (sh) panglai hka hpe hkam sha ai lam a matu:
- ASTM A213 zawn re ai n-gun n rawng ai, coating, shing nrai, gram lajang da ai alloy ni hpe myit yu u.

Gadun dawk
ASTM A179 / ASME SA179 n-gun n rawng ai nbung galai shai ai hka htung ni gaw, nbung - hpe grai kaja hkra htawt sit ya lu ai atsam, kam mai ai hkrang shapraw lu ai atsam, hte bungli galaw ai shara ni hta sakse hkam da ai bungli galaw lu ai atsam ni hpe jaw ya lu ai.
Octal Pipe gaw, hkum tsup ai hku hkan tam lu ai A179/SA179 hka htung ni hpe lata la mai ai U-bend galaw ai lam, MTC laika buk ni hpe hkum tsup hkra ka da ai lam, BV / ABS sakse hkam ai hku jep joi ai lam ni hpe jaw ya ai, ra sharawng ai exchanger bungli masing ni a matu hkan sa ai lam hpe kam hpa ai.
FAQ

Q1: ASTM A179 / ASME SA179 hka htung hpe hpa a matu lang ai kun?
Q2: ASME SA179 gaw ASTM A179 hte maren sha re kun?
Q3: ASTM A179 gaw gara size hpe shinggrup da ai kun?
Q4: A179/SA179 hka htung ni a matu gara chyam dinglik ai lam ni hpe law malawng galaw ra ai kun?
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