Tom ntej: ASTM A106 / ASME SA106 Yeeb Nkab
ASTM A106 / ASME SA106 yog tus qauv tshwj xeeb rau seamless carbon steel yeeb nkab siv rau cov kev pabcuam kub. Nws suav nrog peb qib A, B thiab C, thiab qib kev siv feem ntau yog A106 Qib B. Nws siv nyob rau hauv kev lag luam sib txawv tsis yog rau cov kav dej xws li roj thiab roj, dej, ntxhia slurry kis tau tus mob, tab sis kuj rau boiler, kev tsim kho, cov hom phiaj.
Chemical muaj pes tsawg leeg%
● Carbon (C) Max rau Qib A 0.25, Rau Qib B 0.30, Qib 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
● Copper (Cu): ≤ 0.40
● Molybdenum (Mo): ≤ 0.15
● Nickel (Ni): ≤ 0.40
● Vanadium (V): ≤ 0.08
Thov nco ntsoov:
Rau txhua qhov txo qis ntawm 0.01% rau qhov siab tshaj plaws ntawm cov pa roj carbon monoxide, qhov nce ntawm 0.06% manganese saum toj kawg nkaus tus nqi yuav tsum tso cai, thiab nce mus txog qhov siab tshaj ntawm 1.35%.
Cov ntsiab lus Cr, Cu, Mo, Ni, V ua ke yuav tsum tsis pub tshaj 1%.
ASTM A106 Qib B Tensile Strength thiab Yield Strength
Cov mis elongation:
Hauv 2 nti [50mm], yuav tsum suav nrog: e = 625 000 A^0.2 / U^0.9
Rau inch-pound units, e = 1940 A^0.2 / U^0.9
Cov lus piav qhia ntawm e, A, thiab U, thov nrhiav ntawm no. (Kev sib npaug tib yam nrog ASTM A53, API 5L yeeb nkab.)
Tensile Strength, min, psi [MPa] Qib A 48,000 [330], Qib B 60,000 [415], Qib C 70,000 [485]
Yield Strength yam tsawg kawg nkaus ntawm psi [MPa] Qib A 30,000 [205], B 35,000 [240], C 40,000 [275]
Elongation hauv 2 hauv (50mm), feem pua tsawg kawg
Rau txhua qhov me me uas tau sim nyob rau hauv tag nrho cov seem, qhov tsawg kawg nkaus elongation transverse mus txawv tebchaws kev xeem: Qib A Longitudinal 35, Transverse 25; B 30, 16.5; C 30, 16.5;
Nyob rau hauv rooj plaub tus qauv puag ncig 2 inch gage length test qauv yog siv, saum toj no qhov tseem ceeb yog: Qib A 28, 20; B 22, 12; C20, 12.
ASTM A106 Qib B Pipe Dimensions Schedule
Tus qauv npog cov yeeb nkab loj hauv NPS (National Standard Straight) los ntawm 1/8 nti rau 48 nti (10.3mm DN6 - 1219mm DN1200), lub sijhawm no tau ua raws li cov phab ntsa nominal ntawm tus qauv ASME B 36.10M. Rau lwm qhov ntau thiab tsawg ntawm ASME B 36.10M kuj raug tso cai siv cov qauv no.
Cov khoom nyoos
Cov ntaub ntawv siv rau ASTM A106 tus qauv specification yuav tsum muaj feem xyuam rau khoov, flanging, los yog cov txheej txheem zoo sib xws. Yog tias cov khoom siv hlau yuav tsum tau welded, cov txheej txheem vuam yuav tsum tsim nyog rau qib no ntawm ASTM A106, thiab siv tau rau qhov chaw ua haujlwm kub.
Qhov twg yog qhov zoo tshaj lossis qib siab dua rau ASTM A106 steel yeeb nkab yuav tsum tau, tus qauv muaj qhov kev xaiv tshwj xeeb rau cov kev xav tau ntxiv, rau cov kav dej uas siv cov qauv no. Ntxiv mus, cov lus qhia ntxiv no tau nug txog qhov kev xeem ntxiv, thaum qhov kev txiav txim yuav tsum muab tso rau.
Cov qauv xa mus rau kev ua ASTM A106 kav
Daim ntawv pov thawj ASTM:
ib. ASTM A530 / A530M Qhov no yog cov qauv tshwj xeeb rau cov kev xav tau ntawm cov pa roj carbon, thiab cov kav hlau alloy.
b. E213 Tus qauv rau kev xeem Ultrasonic Examination
c. E309 Tus qauv rau kev xeem Eddy Tam sim no
d. E381 Tus qauv rau txoj kev npaj ntawm kev xeem Macroetch, rau cov khoom siv hlau cov hlau tuav, steel billets, paj, thiab forging steels.
e. E570 Tus qauv rau txoj kev npaj rau kev ntsuas cov dej ntws tawm ntawm cov yeeb nkab ferromagnetic steel thiab cov khoom siv kav.
f. Hais txog ASME Standard:
g. ASME B 36.10M Cov nominal qhov ntau thiab tsawg tus qauv specification rau cov welded thiab seamless steel yeeb nkab.
h. Related Tub Rog Txuj:
i. MIL-STD-129 Tus qauv rau cov cim ntawm kev xa khoom thiab kev cia khoom.
j. MIL-STD-163 Tus qauv rau kev cia thiab xa khoom rau cov khoom siv hlau forging.
k. Yam tseem ceeb ntawm tsoom fwv teb chaws:
l. Fed. Std. No. 123 Tus qauv rau cov koom haum pej xeem rau kev kos npe thiab xa khoom.
m. Fed. Std. No. 183 Tus qauv specification rau qhov nruam ID cim rau steel khoom
n. Txheej txheem nto:
o. SSPC-SP 6 Tus qauv specification rau saum npoo.
Peb Cov Khoom Muag Khoom Muag
Octalsupplied ASTM A106 Qib A, Qib B, Qib C seamless carbon steel kav raws li hauv qab no:
● Txuj: ASTM A106, Nace, Sour service.
● Qib: A, B, C
● Ntau yam ntawm OD txheej txoj kab uas hla: NPS 1/8 nti rau NPS 20 nti, 10.13mm txog 1219mm
● Ntau yam ntawm WT phab ntsa thickness: SCH 10, SCH 20, SCH STD, SCH 40, SCH 80, rau SCH160, SCHXX; 1.24mm txog 1 nti, 25.4mm
● Ntau qhov ntev: 20ft txog 40ft, 5.8m mus rau 13m, ib leeg random ntev ntawm 16 mus rau 22ft, 4.8 txog 6.7m, ob chav random ntev nrog nruab nrab 35ft 10.7m
● Xaus procession: Plain kawg, beveled, threaded
● Txheej: Dub xim, varnished, epoxy txheej, polyethylene txheej, FBE thiab 3PE, CRA Clad thiab Lined.