Hot-Adadeɛ a wɔde ayɛ afiri a wɔde yɛ ERW & SSAW paipu afiri .
Brand: Promisteel .
Grade: A25,A,B,X42,X46,X52,X56,X60,X65,X70,X80,X90,X100,X120 .
MOQ: 25tons .
Nneɛma a wɔde di dwuma: Wɔde dade coil a ɛyɛ hyew-wɔde ERW & SSAW paipu afiri di dwuma wɔ nsu, gas, ne ngo a wɔde fa mu nsu nhama mu.
Nneɛma a ɛwɔ hɔ: 10000 ton/ɔsram
Nneɛma a wɔde kɔma: nnafua 20-45 .
Katua: T/T, L/C, ne nea ɛkeka ho .
Wɔ ERW (electric resistance welded) ne SSAW (spiral submerged arc welded) ahemman no mu no, nneɛma a wɔde yɛ adwuma no su no kyerɛ sɛnea nneɛma a wɔyɛ no yɛ adwuma yiye tẽẽ ne ahotoso a ɛwɔ awiei - nneɛma mu. Yɛn ɔhyew- rolled steel coil, a promisteel ayɛ no yiye no nyɛ nneɛma a wɔde ma ara kwa na mmom ɛyɛ ano aduru a wɔayɛ no sɛnea ɛbɛyɛ a ɛne ERW ne ssaw paipu afiri no akwan soronko no bɛyɛ pɛ a biribiara nhaw no. Ɛdenam dimensional precision, mfiridwuma mu nneɛma a ɛyɛ den, ne coil nsusuwii a eye sen biara a yɛde di kan so no, yɛma wɔn a wɔyɛ nneɛma no tumi ma wɔma wɔn nneɛma a wɔyɛ no gyinapɛn so, tew bere a wɔde yɛ adwuma no so, na wɔde nsu afiri a edi nnwuma mu ahwehwɛde ahorow a emu yɛ den sen biara ho dwuma ma.
Ɛne ERW & SSAW nhyehyɛe ahorow no hyia .
Ahoɔden ne su pa a ɛkɔ so daa.
ERW paipu a wɔyɛ no gyina - ahoɔhare a ɛkɔ so welding so, baabi a wɔyɛ dade nhama a ɛyɛ kurukuruwa na wɔde weld fa nhama atenten no so. Nsɛm biara a ɛne no nhyia wɔ ade no mu no betumi ama welding sintɔ anaasɛ line stoppages aba. Ɔkwan foforo so no, SSAW paipu a wɔyɛ no hwehwɛ sɛ wɔyɛ dade coil no wɔ ɔkwan a ɛyɛ fɛ so na wɔde welding yɛ, na ɛhwehwɛ sɛ ɛyɛ pɛ soronko wɔ nneɛma no mu na ama wɔahwɛ ahu sɛ spiral seam no yɛ pɛpɛɛpɛ.
Wɔayɛ yɛn hot- rolled steel coil no sɛnea ɛbɛyɛ a ɛbɛdi ahiadeɛ soronko a ɛwɔ akwan mmienu no nyinaa ho dwuma. Wɔ ERW Mills fam no, ne nsusuwii a ɛkɔ so daa ne mfiridwuma mu nneɛma no ma ɛyɛ yiye sɛ wɔbɛyɛ no yiye na wɔayɛ no welding wɔ ahoɔhare kɛse mu. Wɔ SSAW Mills fam no, coil no pɛpɛɛpɛyɛ hwɛ hu sɛ spiral forming ne welding operations no kɔ so a biribiara nsiw ano, na ɛde pipes a ɛwɔ ahoɔden ne su a ɛkɔ so daa ba.
Superior dimensional pɛpɛɛpɛ .
Welding a mfomso biara nni ho .
Dimensional Precision yɛ tweatiboɔ a ɛma welding di yie wɔ ERW ne SSAW pipe a wɔyɛ no nyinaa mu. Sɛ obi twe ne ho ketewaa bi mpo wɔ ne kɛse anaa ne tɛtrɛtɛ mu a, ebetumi asɛe welding no, na ɛde nkwaa a ɛyɛ mmerɛw, adwuma a wɔsan yɛ, ne nneɛma a wɔsɛe no kɛse aba. Yɛn hot-rolled steel coils ma API 5L x60 pipeline steel no yɛ nea wɔayɛ no sɛnea ɛbɛyɛ a wobeyi asiane ahorow yi afi hɔ denam nnwuma-a edi kan tolerance control so, a wɔayɛ no yiye titiriw ama ERW ne SSAW Mills.
Nneɛma a ɛyɛ den a wotumi gyina ano: ±0.1mm .
Yɛn hot-rolled steel coil no hwɛ ultra-tight thickness variation a ɛyɛ den a ɛwɔ ±0.1mm so wɔ coil-50% no nyinaa mu denneennen sen API 5L ±0.2mm a ɛyɛ gyinapɛn no. Saa pɛpɛɛpɛyɛ yi hwɛ hu sɛ:
ERW a ɛkorɔn-frequency welding .: pɛpɛɛpɛ alignment a strip edges wɔ V{0}}forming. Thickness variations a ɛboro 0.1mm no ma edge mismatch, destabilizing a ɛkorɔn-frequency arc no ne porosity a ɛkɔ soro wɔ welds mu kɔ soro kodu 40%.
Ssaw Spiral Welding .: Nhyɛso a ɛyɛ pɛ a wɔkyekyɛ wɔ helix no so. Deviations a ɛboro 0.1mm trigger undercutting wɔ nsu ase arc welds, a ɛma structure integrity wɔ soro-nhyɛso applications.
Ɛdenam nsonsonoe a woyi fi hɔ anaasɛ ɛka bom wɔ welding joint no so no, saa abodwokyɛre yi ma rework rates so tew tẽẽ na ɛma weld zone resistance to H1s cracking no yɛ kɛse .
Ne tɛtrɛtɛ a wɔde gyina ano: ±0.5mm .
Na strict width tolerance ±0.5mm (fã EN 10259 gyinapɛn a ±1mm), yɛn coils hwɛ hu sɛ seamless nkabom mu ERW ne SSAW forming nhyehyɛe:
ERW a ɛreyɛ .: Precise entry into cage forming rolls. Width deviations >0.5mm misalign squeeze rolls, a ɛde cold weld seams-a sintɔ a ɛho hia kɛse ba ngo ne gas casing pipes mu.
SSAW coiling .: Spiral pitch angle a ɛkɔ so daa bere a coil reyɛ no. Ntrɛwmu a ɛkɔ akyiri sen 0.5mm no ma "akɔre mu nsonsonoe" ba wɔ arc welding a ɛwɔ nsu ase no mu, na ɛma NDT asiesie dodow kɔ soro 30% wɔ kɛse-diameter ( kɛse sen Ø2,000mm) nsu afiri mu.
Mfiridwuma mu nneɛma a ɛyɛ den .
nkwaa ahoɔden a ɛkɔ so daa .
Mfiridwuma mu su a ɛwɔ dade coil no mu, titiriw aba ahoɔden ne ahoɔden a ɛtwetwe no, di dwuma titiriw wɔ ahoɔden a ɛwɔ welded nkwaa mu wɔ ERW ne SSAW pipes mu. Nsakrae a ɛba wɔ saa su ahorow yi mu no betumi ama nkwaa ahoɔden a ɛne ne ho nhyia no aba, na ama nsu afiri no nyinaa ayɛ adwuma. Yɛn API 5L x60 pipeline steel coils de nnwuma ma-ɛdi kan gyina pintinn wɔ mfiridwuma mu nneɛma mu, a wɔayɛ no pɔtee ama ERW ne SSAW paipu a wɔyɛ.
Ahoɔden a wɔde di dwuma: ±20MPa .
Yɛn hot-rolled steel coil no fa sɔhwɛ a emu yɛ den ne ne su sohwɛ mu de hwɛ hu sɛ mfiridwuma mu nneɛma a ɛyɛ den. Nneɛma a ɛma ahoɔden no da ultra-nsakraeɛ a ɛba fam wɔ ±20MPa - 50% mu den sene API 5L gyinapɛn a wɔde gyina ano (±40MPa). Saa ade a ɛkɔ so daa yi hwɛ hu sɛ:
ERW paipu a ɛyɛ: Uniform deformation during roll forming. Yield strength fluctuations >30MPa de edge wave distortion ba, ɛma weld seam misalignment kɔ soro 25%.
SSAW Spiral a ɛrebɔ no:Predictable material response to coiling stress. Variations >25MPa kanyan residual stress concentration wɔ helix joints so, na ɛtew ɔbrɛ nkwa so 15% wɔ gas transmission pipes mu.
Nea efi mu ba: Eyi mpaapaemu/tears a ɛwɔ soro-frequency ERW welding zones no fi hɔ na esiw spiral weld a ɛkɔ soro wɔ ssaw pipes mu no ano.
Tensile ahoɔden sohwɛ: ±30MPa .
Yɛn coils ahoɔden a ɛtwetwe no kura consistency soronko mu wɔ ±30MPa - 40% stricter sen typical mill tolerances (±50MPa). Eyi ma awerɛhyem sɛ:
ERW Nhama a ɛwɔ akyirikyiri .: Uniform joint strength across entire pipe lengths. Tensile fluctuations >40MPa yɛ mmerɛw spots wɔ weld haz, ɛma hydrotest huammɔdi ho asiane kɔ soro 30%.
SSAW Spiral Seams .: Balanced stress distribution in submerged arc welds. Deviations >35MPa de CTOD toughness a ɛnhyia ba, na ɛma corrosion a ɛyɛ ntɛmntɛm wɔ sour service environments mu.
Coil nsusuwii a ɛkyɛn so ma adeyɛ a ɛyɛ adwuma yiye .
Dshow mfiri co.,ltd .
Abura - coil a wɔayɛ no ho hia ma nneɛma a wɔyɛ no yiye a wɔbɛkɔ so akura mu wɔ ERW ne SSAW pipe mills mu. Coil nsusuwii a enye, te sɛ ano a ɛyɛ kurukuruwa anaasɛ ano a ɛnyɛ pɛpɛɛpɛ no betumi de ɔhaw ahorow aba bere a ɛrenkyere no, na ɛde bere a wɔde yɛ adwuma, nneɛma a wɔsɛe no, ne adwumayɛfo ho ka a ɛkɔ soro aba.
Yɛn ɔhyew- rolled steel coil no wɔ coil nsusuwii a ɛkorɔn, a tight na ɛyɛ pɛ winding. Wɔapirapira coil no wɔ nhyɛso a wɔde di dwuma pɛpɛɛpɛ ase, na ɛhwɛ hu sɛ wɔde layer biara ahyɛ nea atwam no mu denneennen, na eyi afã horow anaa nsonsonoe a ɛho ayɛ hare no fi hɔ. Saa winding a ɛyɛ den yi mma coil no ntumi mmubu anaasɛ ɛnsakra bere a wɔde nneɛma gu mu ne bere a wɔde rekɔ no, na nea ɛho hia sen saa no, ɛma ɛyɛ mmerɛw sɛ ɛbɛbɔ bere a wɔreyɛ no.
Wɔde ahwɛyiye twitwa coil no ano nso ma ɛyɛ tẽẽ na mpo, ɛtew asiane a ɛwɔ snags anaasɛ jams mu bere a wɔde dade a wɔde ayɛ no ma wɔde kɔ mfiri a wɔde yɛ no mu no. Saa coil nsusuwii a eye kyɛn so yi ma ɛho nhia sɛ wɔyɛ nsakrae wɔ bere a wɔreyɛ no mu, na ɛtew bere a wɔde yɛ coil a ɛsakra no so na ɛma kwan ma nneɛma a wɔyɛ no kɔ so bere tenten. Ne saa nti, wɔn a wɔyɛ nneɛma no betumi anya nneɛma a wɔyɛ no dodow a ɛkɔ soro, nneɛma a wɔsɛe no no so atew, na wɔatew adwumayɛ ho ka so.
Promisteel’s strict quality control ne ano aduru a wɔayɛ no sɛnea wɔpɛ .
Wɔ Promisteel no, yɛte aseɛ sɛ ERW ne SSAW pipe mill biara wɔ ahwehwɛdeɛ soronko a egyina wɔn production processes pɔtee, mfiri, ne end - de applications di dwuma so. Ɛno nti na ɛnyɛ sɛ yɛde standard product ma kɛkɛ; Yɛde raw material solutions a wɔayɛ no sɛnea wɔpɛ a wɔayɛ ama ankorankoro ahiade ahorow a ɛwɔ hɔ ma obiara a ɔyɛ no ma.
Yɛn bo a yɛasi sɛ yɛbɛfa nneɛma a ɛyɛ papa ho no fi ase fi nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma foforo no so. Yɛn source high- quality iron ore ne nneɛma afoforo a wɔde ka ho de hwɛ hu sɛ dade no ho tew na ɛyɛ pɛpɛɛpɛ. Wɔ - rolling process no mu no, yɛde mfiridwuma a ɛkɔ anim ne process controls a ɛyɛ katee di dwuma de hwɛ na yɛsesa parameters te sɛ ɔhyew, rolling speed, ne pressure, hwɛ hu sɛ coil biara di yɛn su pa gyinapɛn a ɛyɛ den no so.
Sɛ wɔyɛ no wie a, coil biara kɔ sɔhwɛ a ɛkɔ akyiri mu, a dimensional checks, mfiri a wɔde sɔ hwɛ, ne aniwa mu nhwehwɛmu ka ho, de hwɛ sɛ ɛne ahwehwɛdeɛ a wɔakyerɛ no hyia. Yɛne yɛn atɔfoɔ nso yɛ adwuma yie de te wɔn ahiadeɛ soronko ne nsɛnnennen ase, na yɛde mfiridwuma ho mmoa ne afotuo ma de boa wɔn ma wɔyɛ wɔn nneɛma a wɔyɛ no yie na wɔanya nea ɛyɛ papa a ɛbɛtumi aba.
Sɛ yɛde rewie a, yɛn hot- rolled steel coil for ERW & SSAW pipe mills yɛ- a ɛyɛ papa, ɛyɛ nea wotumi de ho to so, na ɛyɛ nea wɔayɛ ho nhyehyɛe a ɛma wɔn a wɔyɛ nneɛma no tumi ma wɔn nneɛma a wɔyɛ no yɛ yiye, ɛma nneɛma no yɛ papa, na ɛkɔ so si akan wɔ gua so. Promisteel sɛ wo hokafo no, wubetumi anya ahotoso sɛ worenya nneɛma a eye sen biara a wobetumi de ayɛ wo paipu no ho ahiade.
Tags a ɛyɛ hyew .: Hot-Rolled Steel Coil for ERW & SSAW Pipe Mills, China Hot-Rolled Steel Coil for ERW & SSAW Pipe Mills Wɔn a Wɔyɛ, Wɔn a Wɔde Ma
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