API 5L X60 n-gun rawng ai hka htung - BLOG

X60 Welded Line Pipe hpe gara kaw lang ai

Lam galu ai hte grai kaba ai bungli galaw ai n-gun rawng ai lapran tsang- hte tsaw ai-n-gun pipeline ni gaw 1990 ning hta htum mat chye ai.X60 n-gun atsam, X70 (sh) X80 zawn re ai grade ni du hkra yawng hpe htawt sit ai hta grau nna. Ndai band kata hta, welded line pipe hpe galu kaba ai -nhprang wan sau hte shingra wan hpe htawt sit ai lam, lamu ga ntsa hta shinggyin la ai lam hte ginra trunk system ni, hte station piping ni hpe compressor, pump hte metering shara ni hpe daw jau ai lam ni a matu grai lang ma ai.

Ndai application ni hta project masat masa galaw ai lam ni hpe 1000 hpe shaga chye ai.API 5L X60 htu da ai hka htungERW / HFW (high-frequency n-gun rawng ai n-gun rawng ai), LSAW / SAWL (n-gun rawng ai n-gun rawng ai n-gun rawng ai) shing nrai SSAW / SAWH (spiral n-gun rawng ai n-gun rawng ai) n-gun rawng ai n-gun rawng ai lam masum hta na langai mi hta. Diameter hte bunghku-n-gun ra ai lam, lam hkrang, gawgap ai ladat, coating system hte budget ni hpe rau jawm nna ndai ladat ni hta na gara ladat gaw kaja dik htum re ai hpe dawdan ya ai.

N-gun atsam madang hte jak rung ra kadawn ai lam ni

API 5L masat masa galaw ai ladat gaw shi a X- masat masa ni hpe masat da ai n law htum hkai lu hkai sha ai n-gun hte mying jaw ai, hte .X60psi 60,000 (≈ 415 MPa) hte bung ai. Dai manu gaw ASME B31.4 hte B31.8 zawn re ai design code ni hta bunghku-hkum hkrang n-gun hpe sawn la ai lam ni hta hkrak shang wa ai.

Kaji dik htum jak rung atsam marai ni:

Madang	PSL madang	SMYS – Min. Sun (MPa)	SMTS – Min. Tensile (MPa)	Kalang lang galu ai (%)
X60	PSL1 / PSL2.	415 hta grau kaba ai (sh) maren sha re.	520 hta grau kaba ai (sh) maren sha re.	hta grau kaba ai (sh) maren sha re (D/t hte chyam dinglik ladat hta hkan nna)

Madang

PSL madang

SMYS – Min. Sun

(MPa)

SMTS – Min. Tensile

(MPa)

Kalang lang galu ai

(%)

X60

PSL1 / PSL2.

415 hta grau kaba ai (sh) maren sha re.

520 hta grau kaba ai (sh) maren sha re.

hta grau kaba ai (sh) maren sha re (D/t hte chyam dinglik ladat hta hkan nna)

Design masat masa ni gaw SMYS hpe design factor langai hte kayau nna, ahkang jaw ai hoop stress hte byin pru wa ai design n-gun hpe gawgap na matu galaw ai. SMTS gaw, kata na n-gun, shinggrup ai lam hte katsi ai lam yawng gaw myit ru myit tsang lam hpe shabyin ya ai, jahtum na hkrat sum ai lam hpe ninghkap ai margin hpe jaw ya ai, elongation gaw, pipe gaw field bending, welding, lup makoi ai lam hte ga npu de shamu shamawt ai lam ni hpe hkam sharang lu ai kun ngu ai hpe madun dan ai. PSL2 hpe masat da ai shara hta, Charpy V-notch hkra machyi ai lam hpe chyam dinglik ai-ra ai rai yang, DWTT chyam dinglik ai-ni hpe bungli masing ra kadawn ai lam ni hte maren, kaji dik htum hkrang shapraw ai nbung katsi ai shara hta ngang kang ai lam hpe madun dan lu na re.

API 5L X60 a matu tsi hpaji hpe hkang ai

X60 n-gun madang de du lu na matu, n-gang hpe weldable hte ngang kang hkra tawn da na matu, gara alloying element langai hpe mung n-galaw ai sha, chemistry hpe ngang ngang jum tek da ai hpe kam hpa ra ai. Mill ni gaw carbon, manganese hte microalloy ni hpe jat bang na matu masat da ai hkuwawt ni kata kaw bungli galaw nna, weld hte HAZ ngang kang ai lam hpe makawp maga na matu phosphorus hte sulfur hpe shadawn sharam tawn da ai, hkap la mai ai weld shadawn sharam kata kaw carbon maren mara (CE) hpe tawn da ai.

X60 welded line pipe a matu laklai ai hkrang bung sumla (reference sha):

Madang	Pipe amyu	C max (%)	Mn max (%)	P max (%)	S max (%)	Notes
PSL1.	Weld galaw da ai	0.28	1.40	0.030	0.030	Cu, Ni, Cr, Mo law law lang langai hpra 0.50 % hta n law ai (sh) maren sha re.
PSL2.	Weld galaw da ai	≈ 0.24	≈ 1.60–1.75	0.025	0.015	Grau ja ai P/S; yawng Nb+V+Ti hpe shadawn sharam da ai

Madang

Pipe amyu

C max

(%)

Mn max

(%)

P max

(%)

S max

(%)

Notes

PSL1.

Weld galaw da ai

0.28

1.40

0.030

Cu, Ni, Cr, Mo law law lang langai hpra 0.50 % hta n law ai (sh) maren sha re.

PSL2.

Weld galaw da ai

≈ 0.24

≈ 1.60–1.75

0.025

0.015

Grau ja ai P/S; yawng Nb+V+Ti hpe shadawn sharam da ai

Metallurgical hku yu yang, carbon gaw madung n-gun hpe jaw ya ai raitim CE hte weldability hpe hkang lu na matu pat shingdang da ai; manganese gaw n-gun hpe madi shadaw ya nna, hkra machyi ai lam hpe sharawt ya ai; phosphorus hte sulfur hpe npu de jahkrat kau ai-grau nna PSL2 npu-welds hte HAZ hta n-gun n rawng ai akyang lailen hpe shayawm na matu; niobium, vanadium hte titanium ni hpe kaji kajaw jat bang ai gaw, nli tum kaba ai hpe gram lajang ya nna, dai ni gaw masing a shingdu labau hta lawm ai shara ni hta, hkra machyi ai lam hte DWTT ra kadawn ai lam ni hpe pipe hpe hkap la lu hkra karum ya ai.

X60 a matu PSL1 hte PSL2 lapran lata ai

Data sheet ni hte mari na matu order ni hta galoi mung ngu na daram X60 hpe 1 hte rau madun da ai.PSL madang, hpa majaw nga yang, tengman ai lata la ai lam gaw n-gun atsam hte seng ai n re-SMYS gaw maren sha re-rai tim, chemistry hpe hkang zing ai lam, NDT hpe shinggrup ai lam hte laika buk ni hpe kade daram du hkra galaw mayu ai ngu ai lam re.

Madung garan ginhka ai lam ni:

Amyu	X60 PSL1	X60 PSL2.
Dat jasat hpaji	Standard API shadawn sharam	P, S hte Microalloying hpe grau ngang kang ai shadawn sharam
Hpaji hte chyam dinglik ai lam	API hte maren tensile chyam dinglik ai lam ni	Tensile hte ra kadawn ai hkra machyi ai lam chyam dinglik ai lam ni
NDT ginra	Ra ai hku NDT hpe weld galaw u	NDT a shingdu labau grau dam lada ai hte hkap la ai madang ni grau ngang kang ai
Hkam tam mai ai lam	Madang masat MTC	Hka lum ai / coil / plate - kaw na - pipe hkan tam lu ai lam hpe jat ya ai
Kalang lang lang ai	Madung htawn shalai ai lam ni	Grau tsaw ai-hpang jahtum (sh) ahkyak ai daw ni

H2S-lawm ai (sour-service) pipeline ni gaw, PSL2 X60 hpe n-gun ja ai shadawn sharam, HIC/SSC chyam dinglik ai lam hte NACE MR0175 / ISO 15156 (sh) dai hte bung ai madang ni hpe hkan sa ai lam ni hpe tsun dan ai jat bang ai ga baw ni hte pair galaw chye ai. Ndai sour-service ra kadawn ai lam ni hpe project masat masa hta ka da nna, dai hpang mill galaw ai ladat ni hte jep joi masing ni de lwi hkrat wa ai.

API 5L X60 welded line pipe construction welding inside large diameter pipe - octal pipe API 5L X60 welded line pipe bevel end preparation for field welding - octal pipe

Hkrang shapraw ai lam ni: ERW, LSAW, SSAW

X60 welded line pipe hpe masat da ai shaloi, Mill lam gaw kaga ahkyak ai lam langai mi rai nga ai. Welding galaw ai lam shagu gaw diameter–thickness map a n bung ai shara hpe zing la nna, manu jahpu, woi awn ai aten hte jep joi ai lam a shara hpe n bung ai hku kayau kaya jaw ai.

ERW / HFW (Tsaw-Hkringhtawng htu ai):

Hpaga lam hpe hot-rolled coil kaw nna hpang ai, dai hpe n-gun kaba ai -frequency current gaw longitudinal weld hpe n galaw shi yang, n-gun kaba ai pipe langai mi hku nna n-gun n rawng ai hku galaw hpang ai. Ndai lam hpe bunghku n-gun n law ai diameter kaji kaw nna kaba du hkra law law lang ai. Weld seam hpe online NDT hku nna yu reng ai, PSL2 masing law law gaw, weld hte HAZ hpe local post-weld heat treatment galaw na matu hpyi shawn ai, dai gaw microstructure hpe ngang grin hkra galaw na matu hte ngam nga ai n-gun ni hpe shayawm na matu re.

LSAW / SAWL (Galu galu ai SAW):

Diameter kaba ai hte bunghku kaba ni hpe plate-based LSAW hku nna grau nna galaw shapraw ai. Plate jut ni hpe UOE (sh) JCO ladat hte hkyen lajang nna galaw nna, kata hte shinggan na n-gang ni hpe submerged arc welding hte shinggrup da ai. LSAW pipe hte galaw da ai trunk line ni gaw, hkum hkrang ting na UT hte/shnr RT hpe tsun dan chye ai, shing nrai, n-gun ja ai-bunghku daw ni gaw, ngam nga ai n-gun hpe shayawm kau lu na matu hte, magam bungli galaw ai lam hpe grau kaja hkra galaw lu na matu, n-gun n-gun-relief heat treatment hpe ayan hkam la lu ai.

SSAW / SAWH (Shanhte a shingnip shingna):

Diameter kaba ni a matu plate lang ai lam hte manu jahpu grai ahkyak ai bungli masing ni gaw spiral welding de gale mat chye ai. Coil hpe helical angle hku galaw nna, submerged arc npu hta kata hte shinggan de weld galaw nna, spiral weld seam hpe shi a galu kaba ai lam yawng hpe jep yu ai-madung hku nna UT hku nna galaw ai, kalang lang RT- hte jat bang ai hku nna weld a n-gun hpe galu kaba ai aten hta n-gun n-htum hkra galaw ai.

Project madang law malawng gaw, ndai welding galaw ai ladat ni hta na gara hpe pipeline daw shagu hta hkap la mai ai lam hpe asan sha tsun da ai, dai hta design pressure, shara class, gawgap ladat hte ra ai jep joi ai madang ni hpe myit yu ra ai.

Dimensions, hkam sharang ai lam ni, hte jahtum hkyen lajang ai lam ni

API 5L X60 welded line pipe a matu dimensional range gaw, shinggyin la ai ladat ni hpe madi shadaw ya lu ai daram dam lada ai, galu kaba ai-tsan ai shara de htawt sit ai line ni hte station piping ni hpe madi shadaw ya lu ai, dai sha n-ga, designer wa hpe n-gun hte ngang grin ai lam a matu bunghku a galu kaba ai lam hte diameter hpe gram lajang na matu naw ahkang jaw nga ai.

Laksan shadawn shadang hkuwawt (madun ai):

Amyu	Range / Htai tsun ai lam
Shinggan Diameter	1/2" - 48" (≈ 21.3 - 1219 mm)
Bunghku n-gun	3.2 – 40 mm, hkrang shapraw ai n-gun hte code hta hkan nna
Shadawn shadang	SRL 5-7 m, DRL 10-13 m, shing nrai, bungli masing hpe - kaw nna-galu de daw kau ai
OD hkam sharang ai lam	Kaja wa nga yang ± 0.75–1.0 % daram (API 5L langai hta)
WT hkam sharang ai lam	N kaja ai hkam sharang ai lam gaw −12.5 % du hkra law malawng nga ai.
Dingyang ai lam	0.15 % daram sha galu ai

Pipe npawt ni hpe PE (plain end), BE (beveled end) hku nna shing nrai, threaded hte couple galaw nna, bungli masing a welding hte jung ai myit masa hte maren jaw mai ai. Shinggan na 3LPE, 3LPP (sh) FBE zawn re ai shingnip ni hpe kata na epoxy linings (sh) kaga lwi ai hte n-gun yawm ai-hkap la ai ladat ni hte kayau kaya galaw nna, lam makau kaw ra ai makawp maga lam hte n-gun shayawm ai lam hpe lu la mai ai.

Jep joi ai lam, chyam dinglik ai lam, hte Sour-Service lata la mai ai lam ni

X60 welded line pipe ntsa na quality hpe kam hpa ai lam gaw, hydrostatic chyam dinglik ai lam, n-hten run ai chyam dinglik ai lam ni hte jak rung chyam dinglik ai lam ni hpe hpawng de da ai; ra kadawn ai lam ni hpe hkrak tup API 5L hte project a masat da ai lam kaw na pru wa ai.

Kalang lang chyam dinglik ai hte jep joi ai matrix:

Pang	X60 PSL1 htu da ai hka htung	X60 PSL2 htu da ai hka htung	Sour-Magam Bungli Ladat*
Hka n-gun chyam dinglik ai	100% pipe ni hpe hka hte chyam yu sai	100% pipe ni hpe hka hte chyam yu sai	PSL2 hte maren sha re.
Weld n-gang NDT	UT/RT/EC hpe galaw sa wa ai lam hte spec hku nna ra ai.	NDT a shingdu labau grau dam lada ai hte hkap la ai madang ni grau ngang kang ai	Frequency hpe jat mai ai (sh) ladat ni hpe jat bang mai ai
Pipe hkum hkrang NDT	API (sh) client ra ai shara hta jai lang ai	LSAW/SSAW a matu hkum hkrang ting - UT hpe law law lang galaw ra ai	Sour-service daw ni hta scan galaw ai lam hpe grau kaja hkra galaw da ai
Tensile chyam dinglik ai lam ni	API 5L hte maren nbung laru / law law	API 5L hte maren nbung / law law	PSL2 hte maren sha re.
Hkrun lam chyam dinglik ai lam (CVN)	Standard hku nna n ra ai.	Lahta e tsun da ai shara hta myit hkrum da ai nbung laru hta jaw mai ai	Chyam dinglik ai nbung katsi ai hpe shayawm kau ai (sh) tsun da ai shara hta n-gun grau law ai
DWTT	Ga law malawng n tsun da ai	Project spec langai hta lata la mai ai	N-gun ja ai-bunghku / n-gun n-ja ai-n-gun ja ai lahkam ni a matu law law lang jat bang ai
Myi man hte shadawn shadang jep joi ai lam	OD, WT, galu kaba ai, dingyang ai, jahtum ngut ai	PSL1 hte maren sha re.	PSL2 hte maren sha re.
Hardness hpe hkang ai	Base standard hta n ra sharawng ai	Project spec hta shadawn sharam sha rai na re	Sour service a matu ra kadawn ai ngang kang ai shadawn sharam
HIC / SSC chyam dinglik ai lam ni	API 5L n ra ai	Default hku nna n ra ai	NACE / masing langai hta H2S magam bungli a matu jat bang da ai

* "Sour-service lata la ai lam" gaw H2S-lawm ai media a matu jat bang ai hkang ai lam ni hpe tsun mayu ai, garan ai API madang n re.

Table kaw na arai ni hta n-ga, pipe shagu hpe shinggan diameter, bunghku n-gun, galu kaba ai lam, dingyang ai lam, jahtum hkyen lajang ai lam hte coating masa hpe jep yu na matu, myi man hte shadawn shadang hku nna jep yu ai. Sour service a matu yaw shada tawn da ai pipeline daw ni hpe, n-gun ja ai shadawn sharam ni hpe tsun da ai, HIC hte SSC chyam dinglik ai lam hte NACE MR0175 / ISO 15156 hte maren hkrak ai lam ni hpe tsun da ai project laika ni hku nna uphkang ai. SGS hpe masing QA/QC masing kata kaw galaw ai.

Kalang lang lang ai lam hte Octal Pipe jaw ai shara

Operator ni gaw X42 (sh) X52 jaw ai hta grau nna n-gun ra ai shaloi X60 welded line pipe hpe lata chye ma ai, raitim X70 hte X80 zawn grai tsaw ai grade ni hte du wa lu ai arung arai hte welding galaw ai lam hta yak hkak ai lam ni hpe n ra sharawng ma ai. Dai shara gaw X60 hpe sau nhprang hte shingra wan htawt sit ai pipeline ni, lamu ga ntsa hta shinggyin la lu ai network ni hte ginra htaw sa ai pipeline ni, compressor, pump hte metering shara ni hta station hte header pipe ni a matu mung, yawng lata la ai lam langai byin shangun ai; htuk manu ai hkrang masa hte shinggrup ai ladat ni hte, lata la ai panglai hkin-gau hka lim ai lam ni hte riser spool ni hta mung jai lang mai ai.

Octal Pipe gaw ndai tsang a matu masing- hpe madung tawn ai garan gachyan ai wa hku nna galaw nga ai, PSL1 hte PSL2 hta API 5L X60 welded line pipe hpe ERW, LSAW hte SSAW lata la mai ai lam ni hte rau jaw ya ai, MTC packages ni hpe hkum tsup hkra galaw ya ai hte, ra ai shara ni hta, BPC hte SV hku nna bungli galaw ai ni hpe jep joi ai lam galaw ya ai. Design n-gun, gawgap ai hkrit tsang lam hpe hkang lu ai hte pipeline prat tup hta aten galu-kam mai ai lam.

Ya matut mahkai mai ai

FAQ

Q1: API 5L X60 PSL1 hte PSL2 ngu ai line pipe hpe shinggrup da ai gaw hpa shai ai kun?

A1:PSL2 gaw PSL1 hta grau n-gun ja ai chemistry hpe hkang ai, grau n-gun ja ai chyam dinglik ai lam (law law lang hkra machyi ai), grau n-gun ja ai NDT/hkap la ai lam, grau n-gun ja ai hkan tam lu ai lam ni hpe jat bang ya ai.

Q2: API 5L X60 n-gun rawng ai line pipe a matu ERW (HFW) hte LSAW hte SSAW hpe gara hku lata na kun?

A2:OD/bunghku n-gun, ra ai NDT shingdu labau, hte project spec-ERW hpe kaji–kaji ai size ni a matu, LSAW/SSAW hpe kaba ai diameter hte grau li ai bunghku ni a matu lata la u.

Q3: Sour service hta X60 welded line pipe a matu hpa hpyi shawn ra na kun?

A3:PSL2 hte n-gun ja ai shadawn sharam, HIC/SSC chyam dinglik ai lam (tsun da ai rai yang), hte MTC/hkap la mai ai lam + NDT + hka chyam dinglik ai lam hpe tup hkrak hpyi shawn u.

Masat masa ni

CE masat laika

ISO 9001 masat laika

API Q1 masat laika

ABS masat laika

AP-5L masat laika

API-5CT masat laika