Nhyɛso Tubes
- Carbon & Carbon Alloy Dade a Wɔde Yɛ Nneɛma
- Dade a Ɛnyɛ Den
- Kɔbere & Nickel Alloy a Wɔde Yɛ Adwuma
- Ɔhyew a Wɔde Di Dwuma Yiye Tubes
- Pipe Fittings a Wɔde Yɛ Nneɛma
- Pipe Flanges a Wɔde Yɛ Nneɛma
- Gasket, Stud Bolt &Nut a wɔde yɛ nneɛma
- Nnwumayɛbea Valves
01. Ɔde ne nsa kyerɛɛ ne so
EN10216-5 Seamless Steel Tubes ma Nhyɛso Atirimpɔw wɔ Ɔhyew a Ɛkorɔn - Mfiridwuma mu Delivery Tebea
Nsɛm a Ɛfa Nneɛma a Wɔkra Ho
Ɛsɛ sɛ wɔn a wɔtɔ nneɛma no kyerɛ sɛ:
- dodoɔ (tenten, nsuo dodoɔ) .
- Nsusuiɛ (akyi ntwemu, ɔfasuo no mu duru) .
- dadeɛ a ɛyɛ den (sɛ nhwɛsoɔ no, 1.4301, 1.4404) .
- a wode ma (s.e., solution annealed) .
- nhwehwεmu a εhia (s.e., nhwehwεmu a εnsɛe ade, nsuo mu nhyɛsoɔ) .
- ahwehwe soronko biara (s.e., ahotew pɔtee a wɔde bɛyɛ nuklea dwumadie).
Steel Grades & Nnuru a Wɔde Yɛ Nneɛma
Gyinapɛn no fa austenitic dade a ɛnyɛ den ho, a nea ɛka ho ne:
- Nkonimdie a woanya: 1.4301 (304), 1.4404 (316L), 1.4541 (321), 1.4571 (316Ti), ne nea ɛkeka ho.
- a ɛyɛ hyew a ɛkorɔn: 1.4919, 1.4958, ne nea ɛkeka ho.
- a woahyehye no anohyeto ahorow a ewo C, Si, Mn, P, S, Cr, Ni, Mo, N, ne nea ekeka ho.
Manufacturing & Delivery Tebea a Wɔde Ma
- kwan a wɔfa so yɛ: Seamless, awɔw/ɔhyew awie.
- ɔhyew ayaresa: Solution annealing (ahyɛde ma austenitic dade).
- a wowie: Enni nsensanee, mpaapaemu, ne sintɔ biara; ebia ɛho behia sɛ wɔde pickling anaasɛ pasivation yɛ.
Nhwehwɛmu & Sɔhwɛ Ahwehwɛde
1 Mfiridwuma mu Nneɛma a Ɛwɔ Hɔ
- a wode twetwe nsuo (Rm, Rp0.2, elongation) .
- Hardness sɔhwɛ (sɛ ɛho hia a) .
2 Sɔhwɛ a Ɛnyɛ Ɔsɛe (NDT) .
- Eddy mprempren anaa ultrasonic sɔhwɛ a wɔde hu sintɔ.
- hydrostatic sɔhwɛ (wɔpɛ, gye sɛ wɔakyerɛ).
3 Sɔhwɛ Afoforo
- aburow kɛseɛ nhwehwɛmu (ma abasobɔdeɛ binom) .
- intergranular corrosion sɔhwɛ (sɛ nhwɛso no, Strauss sɔhwɛ a ɛkyerɛ sɛ ɛyɛ mmerɛw).
Agyiraehyɛde & Adansedi
- ɛsɛ sɛ wɔde hyɛ tubes agyirae sɛ:
- a woayɛ no din/ahyɛnsodeɛ
- a wode dade grade
- Nsusuwii
- a ɛyɛ hyew
- a woagye atom (EN 10216-5).
- Nhwehwɛmu adansedie krataa 3.1 anaa 3.2 (EN 10204).
Abodwokyɛre & Nsusuwii
- kata tolerances ma abɔnten diameter, ɔfasuo mu duru, tẽẽ, ne tenten.
Dadeɛ a ɛwɔ EN 10216-5 mu no din
● Austenitic Dade a Ɛnyɛ Den
| Nneɛma a Wɔde Yɛ Adwuma Nnɔmba | EN Nkyerɛwde a Wɔde Di Dwuma | Edin a Wɔtaa De Di Dwuma (AISI/UNS) .
| 1.4301 na ɛyɛ | X5CrNi18-10 na ɛwɔ hɔ | 304 (UNS S30400) na ɛkyerɛkyerɛ mu.
| 1.4306 na ɛwɔ | X2CrNi19-11 na ɛwɔ hɔ | 304L (UNS S30403) na ɛwɔ hɔ.
| 1.4307 na ɛyɛ | X2CrNi18-9 na ɛwɔ hɔ | 304L (carbon a ɛba fam) .
| 1.4311 na ɛyɛ | X2CrNiN18-10 na ɛwɔ hɔ | 304LN (UNS S30453) na ɛwɔ hɔ.
| 1.4541 na ɛyɛ | X6CrNiTi18-10 na ɛwɔ hɔ | 321 (UNS S32100) Nsɛm a Wɔka Kyerɛ
| 1.4550 na ɛwɔ hɔ | X6CrNiNb18-10 na ɛwɔ hɔ | 347 (UNS S34700) Nsɛm a wɔahyehyɛ
| 1.4401 na ɛyɛ | X5CrNiMo17-12-2 | 316 (UNS S31600) Nsɛm a wɔahyehyɛ
| 1.4404 na ɛyɛ | X2CrNiMo17-12-2 | 316L (UNS S31603) na ɛwɔ hɔ.
| 1.4435 na ɛyɛ | X2CrNiMo18-14-3 | 316L (Mo a ɛkorɔn) .
| 1.4436 na ɛwɔ | X3CrNiMo17-13-3 | 316 (wɔasakra mu) .
| 1.4571 na ɛyɛ | X6CrNiMoTi17-12-2 | 316Ti (UNS S31635) na ɛyɛ adwuma.
| 1.4429 na ɛwɔ hɔ | X2CrNiMoN17-13-3 | 316LN (UNS S31653) na ɛwɔ hɔ.
| 1.4539 na ɛwɔ hɔ | X1NiCrMoCu25-20-5 | 904L (UNS N08904) na ɛwɔ hɔ.
| 1.4547 na ɛyɛ | X1CrNiMoCuN20-18-7 | Aduru a ɛboro so (UNS S31254) .
● Austenitic-Ferritic (Duplex) Dade a Ɛnyɛ Den
| Nneɛma a Wɔde Yɛ Adwuma Nnɔmba | EN Nkyerɛwde a Wɔde Di Dwuma | Edin a Wɔtaa De Di Dwuma (AISI/UNS) |
| 1.4462 na ɛyɛ | X2CrNiMoN22-5-3 na woayɛ saa | 2205 (UNS S31803/S32205) Nsɛm a wɔka kyerɛ
| 1.4410 na ɛwɔ hɔ | X2CrNiMoN25-7-4 na ɛwɔ hɔ | Ɔde ne nsa kyerɛɛ ne so, na ɔde ne nsa kyerɛɛ ne so bio.
● Ɔhyew a Ɛkorɔn Ho Nkyerɛkyerɛmu Titiriw
| Nneɛma a Wɔde Yɛ Adwuma Nnɔmba | EN Nkyerɛwde a Wɔde Di Dwuma | Nsɛm a Wɔahyɛ no Nsow |
| 1.4958 na ɛyɛ | X6NiCrNb32-27 na ɛwɔ hɔ | Nneɛma a wɔde yɛ aduru 800H (UNS N08810) .
| 1.4959 na ɛwɔ hɔ | X8NiKrAlTi32-21 | Nneɛma a wɔde yɛ 800HT (UNS N08811) .
| 1.4878 na ɛyɛ | X12CrNiTi18-10 na ɛwɔ hɔ | Ɔhyew a ɛkorɔn 321 variant
Nsɛm a Wɔahyɛ no Nsow wɔ Steel Grades ho
- abasobɔdeɛ te sɛ 1.4301 (304) ne 1.4404 (316L) na wɔtaa de di dwuma.
- Duplex dadeɛ (1.4462, 1.4410) ma ahoɔden a ɛkorɔn ne nsɛeɛ a ɛko tia.
- a wode ɔhyew a ɛkorɔn (1.4958, 1.4959) di dwuma wɔ tebea horow a emu yɛ den mu (sɛ nhwɛso no, petrochemical fononoo).
- a low-carbon variants (s.e., 1.4306, 1.4404) na wɔpɛ ma welding dwumadie.
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