ASTM A213 Kub Exchanger Tubes
A213 alloy kavyog ferritic thiab Austrian alloy steel seamless steel kav rau boilers, superheaters thiab tshav kub exchangers (ASTM A213/A213M-07a), thiab T91 alloy kav yog siv nyob rau hauv qis thiab nruab nrab siab boilers (ua hauj lwm siab feem ntau tsis ntau tshaj 5.88). Mpa, ua haujlwm kub hauv qab 450 degree); cua sov cov kav dej, kev lag luam, superheaters, reheaters, Cov kav dej rau kev lag luam petrochemical, thiab lwm yam.
Kev kho cua sov zaum kawg ntawm A213 kub exchanger steel yeeb nkab yog normalizing + kub tempering. Lub normalizing kub yog 1040 degree, lub sij hawm tuav tsis pub tsawg tshaj 10 min, tempering kub yog 730 ~ 780 degree, lub sij hawm tuav tsis tsawg tshaj li 1h. Tom qab qhov kawg kev kho cua sov Cov qauv yog tempered martensite.
A213 T91 steel yeeb nkab muaj qhov kub thiab txias tensile lub zog Ntau dua los yog sib npaug rau 585 MPa, qhov kub thiab txias tawm los muaj zog Ntau dua los yog sib npaug rau 415 MPa, hardness Tsawg dua los yog sib npaug rau 250 HB, elongation (tus qauv ncig nrog 50 hli ntsuas) Ntau dua los yog sib npaug rau 20%, tso cai rau kev ntxhov siab tus nqi [σ] 650 degree =30 MPa.
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| KHOOM NPE | STANDARD | QIB | SIZE RANGE OD. | Siv |
| Seamless Alloy Steel Boiler, Superheater thiab Kub Exchanger Tubes | ASME / ASTM SA / A213 | T11, T12, T2, T22, T23, T5, T5b, T9, T91 | 19.05mm txog 114.3mm | Kub Exchanger, Condenser thiab Boilers |
| ASME/ASTM SA/A209 | T1 | 19.05mm txog 114.3mm | Superheater | |
| DIN17175 | 15Mo3, 13CrMo44, 10CrMo910, 12CrMo195 | 19.05mm txog 1200mm | Kub Kub thiab Siab Siab Boiler |
A213 element alloy yeeb nkab tshuaj muaj pes tsawg leeg
| Qib | C | Mn | P | S | Si |
| T2 | 0.10–0.20 | 0.30–0.61 | 0.025 | 0.025B | 0.10–0.30 |
| T5 | 0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.5 |
| T5b | 0.15 | 0.30–0.60 | 0.025 | 0.025 | 1.00–2.00 |
| T9 | 0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.25–1.00 |
| T11 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50–1.00 |
| T12 | 0.05–0.15 | 0.30–0.61 | 0.025 | 0.025B | 0.5 |
| T22 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.5 |
| T23 | 0.04–0.10 | 0.10–0.60 | 0.03 | 0.01 | 0.5 |
| T91 | 0.07–0.14 | 0.30–0.60 | 0.02 | 0.01 | 0.20–0.50 |
Paub meej
Tsim: Seamless txheej txheem, Kub-tiav lossis txias-tiav
Phab ntsa thickness (WT): 0.9 hli --12.7 hli.
Sab nraud txoj kab uas hla (OD): 12.7 mm --127 mm
Ntev: 6M lossis ntev raws li qhov xav tau.
Xaus: Plain End, Beveled End, Treaded
Tubes Ntim: Loose / Bundle / Ntoo Pallet / Ntoo lub thawv-a / Yas Ntaub qhwv / Yas kawg Caps / Beveled Protector
Kev Thauj Mus Los: Los Ntawm Txoj Kev - Tsheb / Tsheb ciav hlau, Los ntawm Hiav Txwv - Tawg-Tshav Dav Hlau / FCL (Tag Nrho Cov Thawv)
ASTM A213 seamless alloy steel tubing
Txoj kev npaj muaj xws li: billet smelting, uas muaj smelting, refining, nqus degassing, thiab nruam casting ntawm round tube billets; annealing kev kho mob, uas cuam tshuam rau lub billet rau high-temperature diffusion annealing los yog low-temperature isothermal annealing; thiab lub sij hawm lub raj dov, uas dhau mus Lub annealed billet yog soaked, thiab lub billet yog kub dov, perforated, loj, thiab txias tom qab soaking; thiab kev kho cua sov yog ua los ntawm cua sov lub voj voog ntawm cov yeeb nkab steel mus rau 1040-1080 degree, normalizing, txias, thiab tom qab ntawd cua sov. mus rau 750 ~ 800 degree, tempered, tshav kub-insulated thiab ces txias los tsim seamless steel kav.
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FAQ
1.Q.Koj qhov zoo dua yog dab tsi?
A. Kev ua lag luam ncaj ncees nrog tus nqi sib tw thiab kev pabcuam tshaj lij ntawm cov txheej txheem xa tawm.
2.Q.Koj cov khoom puas tuaj yeem hloov kho?
A. Yog, peb tuaj yeem tsim thiab ua raws li koj xav tau.
3. Q. Koj puas muaj kev tswj xyuas qhov zoo?
A. Yog, peb muaj peb tus kheej lub chaw soj ntsuam zoo.
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