ASTM A179 / ASME SA179 Ɔhyew Nsesa Nsuo - BLOG

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ASTM A179 / ASME SA179 kyerɛkyerɛ seamless, awɔw -twetwe, low-carbon dade tubes engineered ma etu mpɔn ɔhyew transfer ne ahotoso forming adwumayɛ. Esiane sɛ wɔasi ɔfasu a ɛba fam koraa na wɔde dade a wɔde di dwuma denneennen nti, wɔde saa nsukorade yi di dwuma kɛse wɔ ɔhyew sesa ne condensers mu wɔ refinery, petrochemical, ne power nnwuma nyinaa mu.Octal Pipe de A179/SA179 nsukorabea ma wiase nyinaa EPC ne nnwinnade a wɔyɛ, a ɛboa bare tubes ne U-bend nhyiam ahorow no nyinaa.

Nnuru a Wɔde Yɛ Nneɛma

Low-carbon chemistry ma awɔw adwumayɛ yɛ kɛse ma U-bending ne tube-to-tubesheet ntrɛwmu.

Adeɛ	Ahwehwɛde (wt%) .	Engineering Nkyerɛkyerɛmu a Ɛho Hia
Kabɔn (C) .	0.06–0.18	Kɔ so kura ductility mu ma forming
Manganese (Mn) .	0.27–0.63	Ahoɔden ne deoxidation a wɔde ma
Phosphorus (P) a ɛwɔ nipadua no mu.	Ennu anaasɛ ɛne 0.035 yɛ pɛ	To brittleness ano hye
Sulfur (S) a wɔde yɛ aduru .	Ennu anaasɛ ɛne 0.035 yɛ pɛ	Tew emu soro ne weldability

Mfiridwuma mu Nneɛma a Ɛwɔ Hɔ

Agyapadeɛ	Ahwehwɛde a Ɛsua koraa	Dwuma a Ɛdi wɔ Ɔhyew a Wɔde Sesa Nneɛma Mu
Ahoɔden a Wɔde Tensile	Ɛboro anaasɛ ɛne no yɛ pɛ 325 MPa (47 ksi) .	Structural ahobammɔ margin
Aba Ahoɔden a Wɔde Ma	Ɛboro anaasɛ ɛne no yɛ pɛ 180 MPa (26 ksi) .	Di deformation so bere a wɔreyɛ no
Ntrɛwmu a ɛkɔ akyiri	Ɛboro anaasɛ ɛne no yɛ pɛ 35% .	Ɛho hia kɛse ma ntrɛwmu a ahobammɔ wom
Nneɛma a ɛyɛ den	Ennu anaasɛ ɛne 72 HRB yɛ pɛ	Siw mpaapaemu bere a U-bending no ano

Saa nneɛma yi ma wotumi yɛ nneɛma a ahobammɔ wom na ɛyɛ adwuma a ɛyɛ den wɔ exchanger bundles mu.

astm a179 asme sa179 heat exchanger tubes bundle in stock -octal pipe seamless cold drawn low carbon steel condenser tubes a179 sa179 -octal pipe

Nneɛma a Wɔyɛ & Ɔhyew a Wɔde Yɛ Adwuma

ASTM A179 / ASME SA179 tubes no nam controlled seamless manufacturing workflow a ɛdi akyire pɛpɛɛpɛ awɔw twetwe de nya tight dimensional tolerances ne smooth emu soro ma ɔhyew-transfer efficiency atu mpɔn.

Seamless adeyɛ nhyehyɛe

Hollow billet → piercing → ɔhyew a ɛyɛ → multi-twam awɔw mfonini

Dimensional control hwɛ sɛ wɔadu ɔfasuo a ɛsua koraa-fasuo ahwehwɛdeɛ no ho pɛpɛɛpɛ

Awɔw mu mfonini ma ɔfasu a wɔde wie ne emu ahotew-a ɛho hia kɛse ma efĩ a ɛwɔ ɔhyew sesa nneɛma mu no so tew

Ɔhyew a wɔde sa yare a etwa to

Afei awɔw-draw pass a etwa to no, wɔde ɔhyew ayɛ tubes ho adwuma wɔƐboro digrii F 1200 anaasɛ ɛyɛ pɛ ( Ɛboro digrii 650 anaasɛ ɛyɛ pɛ ) .kɔ:

Gye nhyɛso a aka a adwuma a awɔw wom de ba no fi hɔ
San fa ductility a ɛho hia maU-bending ne tubesheet ntrɛwmu
Tu mpɔn-bere tenten nhyehyɛe a ɛyɛ den wɔ cyclic thermal loads ase

Surface tebea & ahosiesie

Wɔde amansenia-a ɛnyɛ hweesɛnea ɛbɛyɛ a wɔbɛkɔ so akura ɔhyew adwumayɛ a eye sen biara mu
Ends yɛɛho tew na burr-free, hwɛ hu sɛ wotumi de ho to so sɛ woldability anaasɛ mfiri ntrɛwmu bere a wɔreyɛ nhyiam no
Saa adwinnadeɛ ne dadeɛ sohwɛ yi boa ma wɔhwɛ sɛ ɛyɛ adwuma tenten, adansiɛ mu ahotosoɔ, ne ahobanbɔ a wɔde si hɔ wɔ high-density exchanger bundles mu.

Nhwehwɛmu & Sɔhwɛ

Sɛnea ASTM A179 ne ASTM A450/A450M kyerɛ no:

Ade a Wɔde Hwɛ Nneɛma Mu	Botaeɛ
Hydrostatic anaa NDE sɔhwɛ	Leak-tightness ho adansedie
Flattening sɔhwɛ	Nnyigyei ne ductility nhwehwɛmu
Flaring / Substitute sɔhwɛ	Validates tubesheet ntrɛwmu tumi
Hardness sɔhwɛ	Cold-adwuma gyinabea si so dua
Marking & MTC a wɔde hwehwɛ nneɛma mu	Boa QA nhwehwɛmu ne adwuma no akontabuo

Engineering & Procurement Nneɛma a Ɛho Hia

Ɔfa	Engineering Akwankyerɛ	Nea Ɛsɛ sɛ Wokyerɛ
Tube Kɛseɛ	OD 3.2–76.2 mm (1/8–3 nsateakwaa) .	OD × Ɔfasu no mu duru a ɛba fam × ne tenten
Formability a wotumi yɛ	Ɛfata ma U-bend ne ntrɛwmu	Min. bending radius Kɛse anaasɛ ɛne 2–2.5 × OD yɛ pɛ
Tebea a Ɛwɔ Asase no So	Fouling control & ɔhyew adwumayɛ	Scale-free a ɛwɔ awiei a wɔabɔ ho ban
Nhwehwɛmu a Wɔyɛ no Level	Egyina nhyehyɛe no mu nsɛm a ɛho hia so	Hydrostatic/NDE + ductility sɔhwɛ ahorow
Nwoma a wɔakyerɛw	Audit & mmara a wodi so	MTC a ɛwɔ traceability a edi mũ
Nneɛma a Wɔde Gu Nneɛma & Nneɛma a Wɔde Kɔma	Siw nsɛe ne nsunsuanso ano	Po so-grade a wɔde kɔ amannɔne ahobammɔ

Ɔfã biako a ɛfoa abien no nyinaa sohyehyɛneadetɔ a wɔde tɔ nneɛmagyinaesi ahorow.

Nnwuma a Wɔde Di Dwuma

Shell & tube ɔhyew a wɔde sesa nneɛma
Tumi-afifide a wɔde yɛ condensers
Refinery a ɛma keteke ahorow yɛ nwini
Mfiridwuma mu chillers ne mframa a ɛma onwini
Process ɔhyew pow nhyehyɛe ahorow
Sɛ wopɛ chloride-bearing media anaa ɛpo mu nsuo a:
susuw corrosion allowance, coating, anaasɛ upgraded alloys te sɛ ASTM A213 ho.

astm a179 heat exchanger tube ends close up bundle packaging -octal pipe

Tɔfabɔ

ASTM A179 / ASME SA179 seamless ɔhyew exchanger tubes ma ɔhyew -transfer efficiency a ɛkyɛn so, ahotoso a wɔde yɛ forming tumi, ne adwumayɛ a wɔada no adi wɔ industrial cooling units.

Octal Pipe de A179/SA179 nsukorabea a wotumi hwehwɛ mu koraa a U-bend fabrication a wobetumi apaw, MTC nkrataa a edi mũ, ne BV / ABS adansedi nhwehwɛmu ma, hwɛ hu sɛ wobedi mmara so ama exchanger nnwuma a ɛhwehwɛ pii.

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