ASTM A335 Alloy Steel Seamless Yeeb Nkab
ASTM A335 yog seamless ferritic alloy steel yeeb nkab rau qhov kub thiab txias, seamless steel yeeb nkab rau cov hlab ntsha siab.
A335 Pipe Supplier-GNEE
ASTM A335 Nqe lus piav qhia
Qhov kev qhia tshwj xeeb no suav nrog cov phab ntsa tuab thiab tsawg kawg ntawm phab ntsa tuab chromium-molybdenum (tseem hu ua Cr-Mo lossis Cr-Moly) alloy steel yeeb nkab rau cov ntawv thov kub.
Cov yeeb nkab xaj rau qhov kev qhia tshwj xeeb no yuav tsum tsim nyog rau kev khoov, flanging (vanstoning), thiab kev ua haujlwm zoo sib xws nrog rau fusion vuam.
ASTM A335 P11, P22, P91, thiab P92 feem ntau yog siv rau hauv cov chaw tsim hluav taws xob thiab kev lag luam tshuaj thiab petrochemical, thaum P9 thiab P5 feem ntau siv hauv cov roj refineries.
GNEE Group muab ASTM A335 chromium-molybdenum alloy steel seamless raj hauv qhov ntau thiab tsawg ntawm 1/2 nti mus rau 24 ntiv tes (NPS15 txog NPS600) thiab phab ntsa thicknesses ntawm SCH20 txog XXS thiab tshaj.
ASTM A335 Alloy Steel Seamless Yeeb Nkab Specification
| Specifications | ASTM A 335 ASME SA 335 |
| Qhov ntev | ASTM, ASME thiab API |
| Loj | 1/8 "NB rau 30" NB IN |
| Tubing Loj | 1/2 "OD txog 5" OD, kev lis kev cai diameters kuj muaj |
| Sab nraud | 6-2500 hli; WT: 1-200mm |
| Teem caij | TXC 20 SCH 30 SCH 40 STD SCH 80 SCH 60 SCH 80 SCH 120 SCH 140 SCH 160 XXS |
| Qib | STM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 - T5, T9, T11, T12, T22, T91, ASTM A691 |
| Ntev | Hauv 13500mm |
| Hom | Seamless / Fabricated |
| Daim ntawv | Hloov, Hydraulic thiab lwm yam |
| Ntev | Ib qho Random, Ob Chav Random & Txiav Ntev. |
| Xaus | Plain End, Beveled kawg, Treaded |
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A335 Cov Khoom Siv Tshuaj
| Khoom siv | C | Si | Mn | P | S | Mo | Cr | |
|---|---|---|---|---|---|---|---|---|
| % | % | % | % | Max | % | Max | ||
| A335 Qib P1 | 0.10---0.20 | 0.10---0.50 | 0.30---0.80 | 0.025 | 0.025 | 0.440.65 | Tau txais ib nqe lus | |
| A335 Qib P5 | Max 0.15 | Max 0.50 | 0.30---0.60 | 0.025 | 0.025 | 0.450.65 | 4.006.00 | Tau txais ib nqe lus |
| A335 Qib P11 | 0.05---0.15 | 0.5---1.0 | 0.30---0.60 | 0.025 | 0.025 | 0.450.65 | 1.001.50 | Tau txais ib nqe lus |
| A335 Qib P12 | 0.05---0.15 | Max 0.50 | 0.30---0.61 | 0.025 | 0.025 | 0.450.65 | 0.801.25 | Tau txais ib nqe lus |
| A335 Qib P22 | 0.05---0.15 | Max 0.50 | 0.30---0.60 | 0.025 | 0.025 | 0.871.13 | 1.902.60 | Tau txais ib nqe lus |
A335 npog ntau qib xws li P1, P2, P5, P9, P11, P12, P15, P21, P22, P23, P91, P92, thiab lwm yam, ntawm cov P5, P9, P11, P22, P91 yog cov siv ntau tshaj plaws hauv xyaum.
A335 Yeeb Nkab Mechanical Yam ntxwv
| Khoom siv | Tensile N / mm2 | Lub zog min N / mm2 | Yield % min |
|---|---|---|---|
| A335 Qib P1 | Min 380 | 205 | 30 |
| A335 Qib P5 | Min 415 | 205 | 30 |
| A335 Qib P11 | Min 415 | 205 | 30 |
| A335 Qib P12 | Min 415 | 205 | 30 |
| A335 Qib P22 | Min 415 | 205 | 30 |
SA335 Kev kho cua sov yuav tsum tau ua
| ASTM A335 Qib | Kev kho cua sov hom | Normalizing Temperature Range F [C] | Subcritical Annealing los yog Tempering Qhov kub thiab txias F [C] |
|---|---|---|---|
| P5 (b,c) | Tag Nrho lossis Isothermal Anneal | ||
| Normalize thiab Temper | - | 1250 [675] | |
| Subcritical Anneal (P5c nkaus xwb) | - | 1325 - 1375 [715 - 745] | |
| P9 | Tag Nrho lossis Isothermal Anneal | ||
| Normalize thiab Temper | - | 1250 [675] | |
| P11 | Tag Nrho lossis Isothermal Anneal | ||
| Normalize thiab Temper | - | 1200 [650] | |
| P22 | Tag Nrho lossis Isothermal Anneal | ||
| Normalize thiab Temper | - | 1250 [675] | |
| P91 | Normalize thiab Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
| Quench thiab Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
ASTM A335 steel yeeb nkab Permissible Variation nyob rau hauv phab ntsa Thickness
| NPS [DN] Tus tsim | Tolerance, % los ntawm Specified | |
|---|---|---|
| Tshaj | Hauv qab | |
| 1/8 rau 2 1/2 [6 txog 65] suav nrog, tag nrho t/D ratios | 20.0% | 12.5% |
| Saum toj no 2 1/2 [65], t/D < los yog=5% | 22.5% | 12.5% |
| Saum toj no 2 1/2 [65], t/D > 5% | 15.0% | 12.5% |
| (t=Specified Phab ntsa Thickness; D=Qhia tawm sab nraud) | ||
ASTM A335 Hlau Yeeb Nkab Elongation Requirements
| Xam qhov tsawg kawg nkaus Elongation tus nqi | ||||
|---|---|---|---|---|
| Elongation hauv 2 nti lossis 50 mm, min% | ||||
| Phab ntsa Thickness | P5, P9, P11, P22 | P91 | ||
| hauv. | mm | Ntev | Hloov | Ntev |
| 5/16 (0.312) | 8 | 30 | 20 | 20 |
| 9/32 (0.281) | 7.2 | 28 | 19 | 19 |
| 1/4 (0.250) | 6.4 | 27 | 18 | 18 |
| 7/32 (0.219) | 5.6 | 26 | 17 | |
| 3/16 (0.188) | 4.8 | 24 | 16 | |
| 5/32 (0.156) | 4 | 22 | 15 | |
| 7/8 (0.125) | 3.2 | 21 | 14 | |
| 3/32 (0.094) | 2.4 | 20 | 13 | |
| 1/18 (0.062) | 1.6 | 18 | 12 | |
ASTM A335 Pipes Mechanical Tests Specified
| Rau cov khoom siv hluav taws xob kho nyob rau hauv lub tshuab hluav taws xob batch-hom, kev ntsuam xyuas yuav tsum tau ua ntawm 5% ntawm cov yeeb nkab los ntawm txhua qhov kho. Rau cov me me, tsawg kawg ib lub yeeb nkab yuav tsum tau sim. | |||||||
| Rau cov khoom siv hluav taws xob kho los ntawm cov txheej txheem tas mus li, cov kev sim yuav tsum tau ua rau ntawm cov yeeb nkab txaus los ua 5% ntawm ntau, tab sis tsis muaj tsawg dua 2 yeeb nkab. | |||||||
| Cov lus qhia rau Hardness Test: | P91 yuav tsum tsis txhob muaj qhov tawv tsis tshaj 250 HB / 265 HV [25HRC]. | ||||||
| Cov Lus Qhia rau Kev Ntsuas Khov: | Rau cov yeeb nkab uas nws txoj kab uas hla tshaj NPS 25 thiab nws txoj kab uas hla mus rau phab ntsa thickness piv yog 7. | ||||||
| Lwm cov yeeb nkab uas nws txoj kab uas hla sib npaug lossis tshaj NPS 10 tuaj yeem muab qhov kev sim khoov rau qhov chaw ntawm qhov kev sib tw flattening raws li kev pom zoo ntawm tus neeg yuav khoom. | |||||||
| Cov qauv ntsuas khoov yuav tsum khoov ntawm chav tsev kub txog 180 yam tsis muaj qhov tawg ntawm sab nraud ntawm qhov khoov. | |||||||
| Sab hauv txoj kab uas hla ntawm qhov khoov yuav tsum yog 1 nti [25 mm]. | |||||||
| Hydrostatic Test | Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau kuaj Hydro, ntawm kev xaiv ntawm kev tsim hluav taws xob tsis zoo tuaj yeem siv tau. | ||||||
A335 Yeeb Nkab Kev Kho Mob
Txog Peb
- 15 xyoo kev paubnyob rau hauv manufacturing thiab exporting steel yeeb nkab.
- Exported rau ntau tshaj150 lub teb chawsthiab cheeb tsam hauv tsev thiab txawv teb chaws.
- Ntau tshaj8, 000 cov neeg koom tes
- Certified los ntawmCE, SGS, ISOthiab lwm lub koom haum soj ntsuam zoo.
- Kev xa tawm txhua xyoo ntawm cov kav hlau thiab cov yeeb nkab fittings tshaj50 lab tons.
- Peb muaj8 cog, 5 warehouses, suav nrog 3 seamless steel yeeb nkab ntau lawm kab, 2 kauv steel yeeb nkab ntau lawm kab, 2 LSAW yeeb nkab ntau lawm kab thiab 1 yeeb nkab haum cov kab ntau lawm.
- Lub hli mov ntawm 4.5 lab tonsntawm cov yeeb nkab steel thiab cov yeeb nkab fittings.
Peb cov neeg muas zaub A335 yeeb nkab
Cim npe nrov: astm a335 alloy steel seamless yeeb nkab, Tuam Tshoj astm a335 alloy steel seamless yeeb nkab manufacturers, lwm tus neeg, Hoobkas
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