Onye na-ahụ maka ASTM A106/ASME SA106 Pipe
ASTM A106/ASME SA106 bụ ọkọlọtọ ọkọlọtọ maka ọkpọkọ carbon steel na-enweghị nkebi etinyere maka ọrụ okpomọkụ dị elu. Ọ na-agụnye akara ule atọ A, B na C, na ọkwa a na-ejikarị eme ihe bụ A106 Grade B. A na-eji ya na ụlọ ọrụ dị iche iche ọ bụghị nanị maka usoro pipeline dị ka mmanụ na gas, mmiri, ịnweta slurry nnyefe, kamakwa maka ọkụ ọkụ, ihe owuwu, ihe nhazi.
Ngwakọta kemịkalụ na%
● Carbon (C) Max Maka Ọkwa A 0.25, Maka Ọkwa B 0.30, Ọkwa C 0.35
● Manganese (Mn): 0.27-0.93, 0.29-1.06
● Sulfur (S) Max: ≤ 0.035
● Phosphorus (P): ≤ 0.035
● Silicon (Si) Min: ≥0.10
● Chrome (Cr): ≤ 0.40
● Ọla kọpa (Cu): ≤ 0.40
● Molybdenum (Mo): ≤ 0.15
● Nickel (Ni): ≤ 0.40
● Vanadium (V): ≤ 0.08
Biko rụba ama:
Maka mbelata ọ bụla nke 0.01% maka oke carbon elementrị, mmụba nke 0.06% manganese karịa uru akọwapụtara ka a ga-ahapụ, yana ruo 1.35% kacha elu.
Ngwakọta Cr, Cu, Mo, Ni, V agaghị agafe 1%.
ASTM A106 Ọkwa B Ike Tensile na Ike Mpụta
Usoro ịgbatị:
Na 2 in. [50mm], a ga-agbakọ site na: e = 625 000 A^0.2 / U^0.9
Maka nkeji inch-paụnd, e = 1940 A^0.2 / U^0.9
Nkọwa nke e, A, na U, biko chọta ebe a. (Nha nhata na ASTM A53, API 5L pipe.)
Ike tensile, min, psi [MPa] Ọkwa A 48,000 [330], Ọkwa B 60,000 [415], Ọkwa C 70,000 [485]
Mpụta ike kacha nta na psi [MPa] Ọkwa A 30,000 [205], B 35,000 [240], C 40,000 [275]
Mgbatị n'ime 2 in (50mm), pasent kacha nta %
N'ihi na niile obere nha nwalere na zuru ngalaba, isi kacha nta elongation transverse njem ule: Ọkwa A Longitudinal 35, Transverse 25; B 30, 16.5; C 30, 16.5;
Ọ bụrụ na ejiri ọkọlọtọ okirikiri 2 inch nlele ogologo nlele ule, ụkpụrụ dị n'elu bụ: Ọkwa A 28, 20; B 22, 12; C 20, 12 .
ASTM A106 Ọkwa B Pipe Nhazi Nhazi akụkụ
Ọkọlọtọ ahụ na-ekpuchi nha ọkpọkọ na NPS (National Standard Straight) site na 1/8 inch ruo 48 inch (10.3mm DN6 – 1219mm DN1200), ka ọ na-akwado oke mgbidi ọnụ nke ọkọlọtọ ASME B 36.10M. Maka nha ndị ọzọ sitere na ASME B 36.10M ka ekwekwara ka iji nkọwapụta ọkọlọtọ a.
Ngwaọrụ
Ngwa eji maka nkọwa ọkọlọtọ ASTM A106 ga-adabara maka ịgbagọ, flanging, ma ọ bụ usoro nhazi ndị yiri ya. Ọ bụrụ na a ga-agbanye ihe nchara ahụ, usoro ịgbado ọkụ kwesịrị ekwesị maka ọkwa ASTM A106 a, yana ọdabara maka ebe ọrụ okpomọkụ dị elu.
Ebe enwere ọkwa dị elu ma ọ bụ dị elu maka ASTM A106 ígwè ọkpọkọ chọrọ, ọkọlọtọ nwere nkọwa nhọrọ maka ihe mgbakwunye chọrọ, maka ọkpọkọ jiri ọkọlọtọ a. N'ịga n'ihu, nkọwapụta mgbakwunye ndị a jụrụ maka nnwale ọzọ, mgbe a ga-etinye iwu.
Ụkpụrụ ndị e zoro aka na ha maka ịme ọkpọkọ ASTM A106
Ntuziaka ASTM ụkpụrụ:
a. ASTM A530/A530M Nke a bụ nkọwapụta ọkọlọtọ maka ihe a na-ahụkarị nke carbon, na ọkpọkọ alloy.
b. E213 ọkọlọtọ maka ule nyocha nke Ultrasonic
c. E309 ọkọlọtọ maka ule ule Eddy ugbu a
d. E381 Ọkọlọtọ maka atụmatụ nke ule Macroetch, maka ngwaahịa nchara, ogwe nchara, billet ígwè, blooms na nchara akpụ.
e. E570 Ọkọlọtọ maka atụmatụ nnwale maka nnwale ịgbapụta mmiri nke ọkpọkọ ígwè ferromagnetic na ngwaahịa pipeline.
f. Standard ASME emetụtara:
g. ASME B 36.10M The nominal nha ọkọlọtọ nkọwapụta maka welded na enweghị nkebi ígwè ọkpọkọ.
h. Ọkọlọtọ ndị agha emetụtara:
i. MIL-STD-129 ọkọlọtọ maka akara mbupu na nchekwa.
j. MIL-STD-163 Ọkọlọtọ maka nchekwa na mbupu maka ngwaahịa nchara nchara.
k. Ọkọlọtọ gọọmentị emetụtara:
l. Nri. Std. Nọmba 123 Ụkpụrụ maka ụlọ ọrụ obodo maka akara na mbupu.
m. Nri. Std. Nọmba 183 Nkọwa ọkọlọtọ maka akara ID na-aga n'ihu maka ngwaahịa igwe
n. Ọkọlọtọ elu:
o. SSPC-SP 6 Nkọwa ọkọlọtọ maka elu.
Ọnụnọ anyị maka ire ere
ASTM A106 Octal wetara Ọkwa A, Ọkwa B, Ọkwa C enweghị nkebi carbon ígwè ọkpọkọ dị ka n'okpuru ọnọdụ:
● Standard: ASTM A106, Nace, Ọrụ utoojoo.
● Ọkwa: A, B, C
● Oke dayameta mpụta OD: NPS 1/8 inch ruo NPS 20 inch, 10.13mm ruo 1219mm
● Oke mgbidi WT: SCH 10, SCH 20, SCH STD, SCH 40, SCH 80, ruo SCH160, SCHXX; 1.24mm ruo 1 inch, 25.4mm
● Ogologo ogologo: 20ft ruo 40ft, 5.8m ruo 13m, otu ogologo ogologo nke 16 ruo 22ft, 4.8 ruo 6.7m, ogologo okpukpu abụọ na nkezi 35ft 10.7m
● Akwụsị usoro: Ngwunye dị larịị, gbagọrọ agbagọ, eri
● mkpuchi: Agba ojii, varnished, mkpuchi epoxy, mkpuchi polyethylene, FBE na 3PE, CRA Clad na Lined.