ASTM A335 P9, P11, P22, P91 yeeb nkab specifications
ASTM A335 yog seamless ferritic alloy steel yeeb nkab uas siv nyob rau hauv high-temperature cov kev pab cuam thiab boiler kev lag luam. Common siv QibP5, P9, P11, P22, P91.
ASTM A335 yeeb nkab tseem hu ua ASME S / A335 Chrome-Moly yeeb nkab, nws yog ib hom seamless yeeb nkab siv nyob rau hauv qhov kub thiab txias ib puag ncig.540-750 degree. Nws npog nominal phab ntsa thiab qhov tsawg kawg nkaus phab ntsa thickness yeeb nkab uas nrog cov khoom siv alloy. Cov yeeb nkab hauv qab no specification yuav tsum haum raukhoov, flanging,thiab tag nrho lwm yam zoo sib xws ua thiab formations. Txawm hais tias nws yuav zoo rau fusion vuam. cov khoom siv kuj tuaj yeem siv los tsim cov yeeb nkab fittings zoo liLub luj tshib, tee, reducers thiab flanges.
Qib P5, P9, P11, P22 thiab P91 yeeb nkab xa cov yeeb nkab fittings khoom nyob rau hauv ASTM A234 WP5, WP9, WP11, WP22 WP91, qhov twg flange khoom nyob rau hauv ASTM A182 F5, F9, F11, thiab lwm yam. Lawv muaj xws li tshuaj muaj pes tsawg leeg thiab txhua yam khoom.
Peb Cov Khoom Muag Khoom rau A335 Yeeb Nkab
Standard thiab Qib:ASTM A335 Qib P5, P9, P11, P22, P91
Khoom siv: Chrome alloy steel yeeb nkab
Manufacturing hom: Seamless yeeb nkab los ntawmkub dovlos yogtxias rub
Loj: 1/2 '' txog 24 ''
Phab ntsa thickness: SCH 40, SCH STD, SCH 80, SCH XS, SCH 160
Ntev: 6 meters, 12 meters lossis customized.
A335 Pipe Chemical Composition
Mechanical Properties
|
Qib |
Yield zog Mpa [ksi] |
Tensile zog Mpa [ksi] |
Elongation% |
Hardness Brinell |
|---|---|---|---|---|
|
P5 |
205 [30] |
415 [60] |
30 |
207 max |
|
P9 |
205 [30] |
415 [60] |
30 |
- |
|
P11 |
205 [30] |
415 [60] |
20 |
- |
|
P12 |
205 [30] |
415 [60] |
30 |
174 max |
|
P22 |
205 [30] |
415 [60] |
30 |
- |
|
P91 (1,2) |
415 [60] |
585 [85] |
20 |
a |
a: P91 hom 1 thiab 2 hardness ntau ntawm 190 txog 250 [HBW] lossis 196 txog 265 [HV] lossis 91 HRBW txog 25 HRC.
Dimension Tolerances
Tolerance nyob rau hauv phab ntsa thickness:
|
NPS [DN] Tus tsim |
Kev kam rau siab % ntawm phab ntsa Thickness |
|
|---|---|---|
|
Tshaj (+) |
Hauv qab (-) |
|
|
1/8 rau 2 1/2 [6 txog 65] rau txhua qhov sib piv t/D |
20.0 |
12.5 |
|
Saum toj no 2 1/2'' [65], t/D Tsawg dua los yog sib npaug li 5% |
22.5 |
12.5 |
|
Saum toj no 2 1/2 [65], t/D > 5% |
15.0 |
12.5 |
|
t=Phab ntsa Thickness; D=Sab nraud |
||
Permissible variations rau Outer Diameter:
|
NPS [DN] Tus tsim |
Tshaj (+) |
Hauv qab (-) |
||
|---|---|---|---|---|
|
hauv. |
mm |
hauv. |
mm |
|
|
1/8 rau 1 1/2 [6 rau 40] |
1/16 (0.015) |
0.40 |
1/16 (0.015) |
0.40 |
|
Tshaj 1 1/2 txog 4 [40 txog 100] |
1/32 (0.031) |
0.79 |
1/32 (0.031) |
0.79 |
|
Tshaj 4 txog 8 [100 txog 200] |
1/16 (0.062) |
1.59 |
1/32 (0.031) |
0.79 |
|
Tshaj 8 txog 12 [200 txog 300] |
3/32 (0.093) |
2.38 |
1/32 (0.031) |
0.79 |
|
Ntau tshaj 12 [300] |
+/- 1% ntawm qhov teev sab nraud |
|||
P91 yeeb nkab - Cov yeeb nkab zoo kawg nkaus
ASTM A335 Qib P91 yeeb nkab yog cov yeeb nkab qib siab siv rau kev kub siab boiler. Thiab P91 yeeb nkab yog qhov zoo tshaj plaws thaum nws los txog rau kev khoov, flanging lossis thaum nws siv hauv kev ua haujlwm zoo xws li vuam. Cov khoom siv ntawm cov hlau yuav tsum ua raws li cov tshuaj muaj pes tsawg leeg, cov cuab yeej tensile thiab cov kev xav tau ntawm hardness.
ASTM A335 P91 alloy steel yeeb nkab thiab cov kav dej kub siab boiler yog ob qhov sib txawv muaj thiab qhov ntau yog nyob ntawm qhov loj, uas tsuas yog raws li kev siv. Qhov ntev ntawm cov yeeb nkab yuav raug kuaj xyuas hydrostatic thiab tseem yuav muaj kev ntsuam xyuas tsis muaj kev puas tsuaj raws li cov lus qhia tshwj xeeb.
Raws li qhov tshwm sim, chrome moly yeeb nkab pom kev siv siab hauv kev lag luam tsim hluav taws xob thiab kev lag luam petrochemical vim nws tsis kam tiv thaiv corrosion, tensile lub zog, lub zog rau qhov kub thiab txias vim nws cov nqi zoo.
P5, P9, P11, P22, P91 Yeeb Nkab Daim Ntawv Thov
Qhov no chrome moly yeeb nkab featured qib yog ASTM A335 P5, P9, P11, P22, P91, yog li nws kuj tseem hu ua P Qib yeeb nkab hauv qee kis.
P11 yeeb nkab, P22 yeeb nkab thiab P91 kav yog siv nyob rau hauv kev lag luam fais fab thiab petro-chemical nroj tsuag, lub caij no, P5 thiab P9 yeeb nkab feem ntau pom kev siv hauv refineries.
