ASTM A210 / A210M Txuj Specification rau Seamless Medium-Carbon Steel Boiler thiab Superheater Tubes
ASTM A210 Seamless Carbon Steel Tubing npog qhov tsawg kawg nkaus phab ntsa thickness, seamless nruab nrab-carbon steel, boiler raj, thiab boiler flues, nrog rau kev nyab xeeb kawg, arch thiab nyob twj ywm tubes, thiab superheater raj.
ASTM A210 Seamless Carbon Steel Tubing qhov ntau thiab tsawg thiab tuab feem ntau yog 1/2 nyob rau hauv. txog 5 nti. [0.9 txog 12.7mm], suav nrog, hauv qhov tsawg kawg nkaus phab ntsa thickness. Tubing muaj lwm qhov ntev tuaj yeem muab tau, yog tias cov raj no ua tau raws li tag nrho lwm cov kev cai ntawm qhov kev qhia no.
ASTM A210 Seamless Carbon Steel Tubing cov cuab yeej cuab tam yuav tsum tsis txhob siv rau tubing me dua 1/8 nyob rau hauv.
TS Industrial muab ntau yam ntawm ASTM A210 Seamless Carbon Steel Pipes
Sab nraud txoj kab uas hla:12 7-127 hli
Phab ntsa thickness:0 9-12.7 hli
Ntev:2m-12m lossis raws li xav tau
Daim ntawv thov:Rau high-pressure boiler raj, superheater raj, re-rhuab raj, lub ntsiab chav kav
Nto:Roj-dip, kua roj vanish, Passivation, Phosphating, txhaj tshuaj blasting
Delivery xeev:Annealed, Normalized, Normalized, thiab Tempered
Qib:Qib A1, Qib C
ASTM A210 Seamless Carbon Steel Pipes Chemical Composition (%)
| Qib | C, max | Mn | P, max | S, max | Si, min |
| Gr. A1 | 0.27 | 0.93, max | 0.035 | 0.035 | 0.10 |
| Gr. C | 0.35 | 0.29-1.06 | 0.035 | 0.035 | 0.10 |
Nco tseg:Rau txhua qhov kev txo qis ntawm {{0}}.01 feem pua hauv qab cov pa roj carbon ntau tshaj plaws, qhov nce ntawm 0.06 feem pua ntawm cov manganese saum toj no qhov siab tshaj plaws yuav raug tso cai mus txog qhov siab tshaj ntawm 1.35 feem pua.
ASTM A210 Seamless Carbon Steel Pipes Mechanical Properties
| Qib | Yield zog (MPa) | Tensile zog (MPa) | Elongation (%) |
| Gr. A1 | Ntau dua lossis sib npaug li 255 | Ntau dua lossis sib npaug rau 415 | Ntau tshaj los yog sib npaug rau 30 |
| Gr. C | Ntau dua lossis sib npaug li 275 | Ntau dua lossis sib npaug rau 485 | Ntau tshaj los yog sib npaug rau 30 |
ASTM A210 Seamless Carbon Steel Pipes Sab Nraud Diameter & Tolerance
| Txheej txheem | Sab nraud txoj kab uas hla (mm) | Tolerance (%) |
| Kub Rolled | OD Tsawg dua lossis sib npaug rau 101.6 | -0.5 |
| 101.6＜OD Tsawg dua lossis sib npaug rau 127 | -0.33333333333333 | |
| Txias Drawn | OD 25.4 | ±0.10 |
| 25.4 Tsawg dua lossis sib npaug rau OD Tsawg dua lossis sib npaug rau 38.1 | ±0.15 | |
| 38.1 OD 50.8 | ±0.20 | |
| 50.8 Tsawg dua lossis sib npaug rau OD＜63.5 | ±0.25 | |
| 63.5 Tsawg dua lossis sib npaug rau OD＜76.2 | ±0.30 | |
| 76.2 Tsawg dua lossis sib npaug rau OD Tsawg dua lossis sib npaug rau 101.6 | ±0.38 | |
| 101.6＜OD Tsawg dua lossis sib npaug rau 127 | ±0.59375 |
ASTM A210 Seamless Carbon Steel Pipes Phab Ntsa Thickness & Tolerance
| Txheej txheem | Sab nraud txoj kab uas hla (mm) | Tolerance (%) |
| Kub Rolled | OD Tsawg dua lossis sib npaug rau 101.6, WT Tsawg dua lossis sib npaug rau 2.4 | ntxiv 40/-0 |
| OD Tsawg dua lossis sib npaug rau 101.6, 2.4＜WT Tsawg dua lossis sib npaug rau 3.8 | ntxiv 35/-0 | |
| OD Tsawg dua lossis sib npaug rau 101.6, 3.8＜WT Tsawg dua lossis sib npaug rau 4.6 | ntxiv 33/-0 | |
| OD≤101.6, WT>4.6 | ntxiv 28/-0 | |
| OD>101.6, 2.4＜WT Tsawg dua lossis sib npaug rau 3.8 | ntxiv 35/-0 | |
| OD>101.6, 3.8＜WT Tsawg dua lossis sib npaug rau 4.6 | ntxiv 33/-0 | |
| OD>101.6, WT>4.6 | ntxiv 28/-0 | |
| Txias Drawn | OD Tsawg dua lossis sib npaug rau 38.1 | ntxiv 20/-0 |
| OD>38.1 | ntxiv 22/-0 |
ASTM A210 Seamless Carbon Steel Pipes Phab ntsa Thickness kam rau ua
| Seamless, Cold-Tiav Tubes | ||
Sab nraud txoj kab uas hla Hauv. (mm) | Phab ntsa thickness kam rau ua (%) | |
| Tshaj (plus) | Hauv qab (-) | |
| 1 1/2 (38.1) thiab qis dua | 20 | 0 |
| Tshaj 1 1/2 (38.1) | 22 | 0 |
ASTM A210 Seamless Carbon Steel Pipes Sab Nraud Qhov Siab Ua Haujlwm Siab
| Cold-Tiav Seamless Tubes | ||
Sab nraud txoj kab uas hla Hauv. (mm) | Permissible Variation In. (mm) | |
| Tshaj (plus) | Hauv qab (-) | |
| Hauv qab 1 (25.4) | 0.004 (0.10) | 0.004 (0.10) |
| 1 rau 1 1/2 (25.4 txog 38.1), Incl | 0.006 (0.15) | 0.006 (0.15) |
| Tshaj 1 1/2 rau 2 (38.1 txog 50.8), Incl | 0.008 (0.20) | 0.008 (0.20) |
| 2 rau 2 1/2 (50.8 rau 63.5), Excl | 0.010 (0.25) | 0.010 (0.25) |
| 2 1/2 rau 3 (63.5 txog 76.2), Excl | 0.012 (0.30) | 0.012 (0.30) |
ASTM A210 Seamless Carbon Steel Pipes Txiav Ntev Ntev
Cov kev hloov pauv tau tso cai rau qhov ntev no siv rau cov raj ua ntej khoov. Lawv siv los txiav qhov ntev mus txog thiab suav nrog 24 ft [7.3 m]. Rau qhov ntev ntau dua 24 ft [7.3 m], qhov siab tshaj qhov siab siab saum toj no yuav tsum tau nce 1⁄8 hauv. [3 hli] rau txhua 10 ft [3 m] lossis feem ntau dua 24 ft lossis 1⁄2 hauv. 13 mm], qhov twg yog qhov tsawg dua.
| Cold-Tiav Seamless Tubes | ||
Sab nraud txoj kab uas hla Hauv. (mm) | Txiav Length, in. (mm) | |
| Tshaj (plus) | Hauv qab (-) | |
| Txhua Qhov Loj | 3/16 [5] | 0 [0] |
| Hauv qab 2 (50.8) | 1/8 [3] | 0 [0] |
| 2 (50.8) thiab ntau dua | 3/16 [5] | 0 [0] |
ASTM A210 Seamless Carbon Stee Covl Pipes Hydrostatic Test Siab
Txhua lub raj yuav tsum raug kuaj los ntawm hydrostatic siab, los yog hloov qhov kev sim no, ib qho kev sim tsis zoo yuav raug siv thaum tus neeg yuav khoom tau teev tseg.
| Hydrostatic Test Siab | |
| Sab nraud txoj kab uas hla ntawm Tube, in. [mm] | Hydrostatic Test Siab, psi [MPa] |
| Hauv qab 1 [25.4] | 1000 [7] |
| 1 rau 1 1/2 [25.8 to 38.1], excl | 1500 [10] |
| 1 1/2 rau 2 [38.1 rau 50.8], excl | 2000 [14] |
| 2 rau 3 [50.8 to 76.2], excl | 2500 [17] |
ASTM A210 Seamless Carbon Steel Pipes Flattening Test
Ib qho kev sim flattening yuav tsum tau ua rau ntawm cov qauv ntawm txhua qhov kawg ntawm ib lub raj tiav los ntawm txhua qhov ntau, tab sis tsis yog ib qho uas siv rau kev sim flaring. Cov kua muag los yog tawg tshwm sim ntawm 12 lossis 6 teev nyob rau ntawm Qib C tubing nrog qhov ntau thiab tsawg ntawm 2.375 in. [60.3 mm] nyob rau sab nraud thiab me me yuav tsum tsis txhob suav tias yog lub hauv paus rau kev tsis lees paub.
Ib qho kev sim flaring yuav tsum tau ua rau cov txiv neej los ntawm txhua qhov kawg ntawm ib lub raj tiav los ntawm txhua qhov ntau, tab sis tsis yog ib qho uas siv rau qhov kev sim flattening.
