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ASTM A672 B60/B70/C60/C65/C70 LSAW Pipa Baja Karbon

Katrangan singkat:

Ukuran: 10-660mm Diameter njaba, 1.0-100mm Kekandelan Tembok

Dawane: dawa tetep 5.8m, 6m, 11.8m utawa disesuaikan.

Pungkasan: Plain/Beveled end, Groove, Thread, eta.

Lapisan: lapisan Varnish, Hot dip galvanis, 3 lapisan PE, FBE, etc.

Teknologi: Pengelasan busur submerged.

Detail Produk

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Aplikasi saka ASTM A672 B60/B70/C60/C65/C70Pipa Baja Karbon LSAW:

ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Pipa Baja Karbondigunakake ing kondisi tekanan dhuwur lan utamané digunakake ing pembangkit listrik, industri lenga lepas pantai, industri kimia, Pupuk, petrokimia, refineries etc.

Tampilan produk:

LSAW ASTM A672
ASTM A672 A50
ASTM A672 B55

Proses Produksi KabASTM A672B60 / B70 / C60 / C65 / C70Pipa Baja Karbon LSAW:

ASTM A672 B60/B70/C60/C65/C70LSAW(JCOE) Pipa Baja Karbonbakal pindho gandheng, welds seng nembus lengkap digawe ing sesuai karo tata cara lan welders utawa operator welding qualified sesuai karo ASME Boiler lan meksa Vessel Code, Section IX.

Perlakuan Panas ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Pipa Baja Karbon:

Kabeh kelas liyane saka 10, 11, 12 lan 13 kudu panas dianggep ing tungku kontrol kanggo ± 15 ℃ lan dilengkapi hydrometer ngrekam supaya cathetan panas kasedhiya.

Rincian Pipa Baja Karbon ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE):

Pabrikan:Longitudinally Submerged Arc Welding (LSAW).

ukuran:OD: 406 ~ 1422mm WT: 8 ~ 60mm.

kelas:B60, C60, C65, lsp.

dawa:3-12M utawa dawa sing ditemtokake minangka dibutuhake.

mungkasi:Plain End, Beveled End, Grooved.

Komposisi Kimia ASTM A672 B60/B70/C60/C65/C70 LSAWPipa Baja Karbon:

Keperluan Kimia kanggo ASTM A672 B60/B70/C60/C65/C70 LSAW Pipa Baja Karbon

Pipa

sasmita

Komposisi,%

C

maks

Mn

 

P

maks

S

maks

Si

liyane

   

<= 1 ing

(25 mm)

> 1~2 ing

(25~50mm)

> 2~4 in (50-100mm)

> 4~8 ing

(100~200mm)

> 8 ing

(200mm)

<= 1/2 ing

(12.5mm)

> 1/2 ing

(12.5mm)

       
 

60

0.24

0.21

0.29

0.31

0.31

0,98 maks

0.035

0.035

0.13–0.45

...

65

0.28

0.31

0.33

0.33

0.33

0,98 maks

0.035

0.035

0.13–0.45

...

70

0.31

0.33

0.35

0.35

0.35

1.30 maks

0.035

0.035

0.13–0.45

...

C

55

0.18

0.20

0.22

0.24

0.26

0.55–0.98

0.55–1.30

0.035

0.035

0.13–0.45

...

60

0.21

0.23

0.25

0.27

0.27

0.55–0.98

0.79–1.30

0.035

0.035

0.13–0.45

...

65

0.24

0.26

0.28

0.29

0.29

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

...

70

0.27

0.28

0.30

0.31

0.31

0.79–1.30

0.79–1.30

0.035

0.035

0.13–0.45

...

Sifat Mekanik Pipa Baja Karbon ASTM A672 B60/B70/C60/C65/C70 LSAW:

Sifat Mekanik

sasmita

 

B60

B65

B70

C55

C60

C65

C70

Kekuwatan tarik, min:

ksi

60

65

70

55

60

65

70

Mpa

415

450

485

380

415

450

485

Kekuwatan ngasilake, min:

ksi

32

35

38

30

32

35

38

MPa

220

240

260

205

220

240

260

Requirements Elongation: Minangka saben standar

Variasi bobot lan dimensi sing diidini:

1. Diameter njaba-Adhedhasar pangukuran circumferential ± 0,5% saka diameter njaba sing ditemtokake.

2. Out-of-Roundness-Bèntenipun antarane diameters njaba utama lan cilik.

3. Alignment-Nggunakake straightedge 10 ft (3m) diselehake supaya loro ends ing kontak karo pipo, 1/8 in. (3mm).

4. Kekandelan-Kekandelan tembok minimal ing sembarang titik ing pipa ora kudu luwih saka 0.01 in (0.3mm) miturut kekandelan nominal sing ditemtokake.

5. Length karo unmachined ends kudu ing -0+1/2 in. (-0+13mm) saka sing ditemtokake.Dawane karo ujung mesin kudu disepakati antarane pabrikan lan panuku.

Tes Mekanik kanggo ASTM A672 B60/B70/C60/C65/C70 LSAW Pipa Baja Karbon:

Tes Ketegangan - Sipat tensile transversal saka sambungan sing dilas kudu nyukupi syarat minimal kanggo kekuatan tarik utama saka materi piring sing ditemtokake.

Tes transversal-guided-weld-mbengkok - Tes bend kudu ditrima yen ora ana retakan utawa cacat liyane sing ngluwihi 1/8 in. (3mm) ing sembarang arah ana ing logam weld utawa ing antarane weld lan logam dasar sawise mlengkung.

Ujian Radio-grafis-Dawa kebak saben weld kelas X1 lan X2 kudu radiographically sinaoni sesuai karo lan syarat ASME Boiler lan Pressure Vessel Code, bagean pitu, paragraf UW-51.

Penampilan kanggo ASTM A672 B60/B70/C60/C65/C70 LSAW Pipa Baja Karbon:

Pipa rampung kudu bebas saka cacat cilaka lan kudu rampung workmanlike.

Tandha kanggo ASTM A672 B60/B70/C60/C65/C70 LSAW Pipa Baja Karbon:

A. jeneng Produsèn utawa tandha.
B. Nomer spesifikasi (taun-tanggal utawa dibutuhake).
C. Ukuran (OD, WT, dawa).
D. Kelas (A utawa B).
E. Jinis pipa (F, E, utawa S).
F. tekanan Test (pipa baja mulus mung).
G. Angka Panas.
H. Sembarang informasi tambahan kasebut ing pesenan tuku.

Packing kanggo ASTM A672 B60/B70/C60/C65/C70 LSAW Pipa Baja Karbon:

● Pipa Bare utawa Black / Varnish coating / Epoxy coating / 3PE coating (miturut syarat pelanggan);

● 6" lan ngisor ing bundel karo loro slings katun;

● Loro-lorone ends karo protèktif mburi;

● Plain mburi, bevel mburi (2 "lan ndhuwur karo bevel ends, gelar: 30 ~ 35 °), Utas lan kopling;

● Tandha.


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