Daim ntawv teev npe rau Tuam Tshoj ASTM A179 A178 / SA178 / A178 C / A210 / A192 Carbon Steel Seamless Boiler Tube / Boiler Yeeb Nkab
Txheej txheem cej luam
Nrog peb cov kev paub nplua nuj thiab kev pabcuam siab, peb tau lees paub tias yog ib tus neeg muag khoom txhim khu kev qha rau ntau tus neeg yuav khoom thoob ntiaj teb rau A210 Carbon Steel Seamless Boiler Tube / Boiler Yeeb Nkab, Peb txais tos cov neeg yuav khoom txhua qhov chaw hauv lo lus kom tau txais kev sib cuag nrog peb rau kev lag luam kev lag luam yav tom ntej. Peb cov khoom lag luam zoo tshaj plaws. Ib zaug xaiv, Zoo tagnrho Mus Ib Txhis! Peb yuav muab cov khoom zoo dua nrog ntau hom kev tsim thiab kev pabcuam tshaj lij. Peb zoo siab txais tos cov phooj ywg los ntawm thoob plaws lub ntiaj teb tuaj xyuas peb lub tuam txhab thiab koom tes nrog peb nyob rau hauv lub sij hawm ntev thiab kev sib nrig sib pab.
Daim ntawv thov
Nws yog tsuas yog siv los ua kom zoo seamless carbon steel, rau boiler kav, super kub kav
rau bolier kev lag luam, kub hloov yeeb nkab thiab lwm yam. Nrog qhov sib txawv qhov ntau thiab tsawg
Qib tseem ceeb
Qib ntawm high-zoo carbon boiler steel: GrA, GrC
Chemical Component
Element | Qib A | Qib C |
C | ≤ 0.27 | ≤ 0.35 |
Mn | ≤ 0.93 | 0.29-1.06 Nws |
P | ≤ 0.035 | ≤ 0.035 |
S | ≤ 0.035 | ≤ 0.035 |
Si | ≥ 0.1 | ≥ 0.1 |
A Rau txhua qhov kev txo qis ntawm 0.01% qis dua cov pa roj carbon siab tshaj plaws, qhov nce ntawm 0.06% manganese saum toj no qhov siab tshaj plaws yuav raug tso cai mus txog qhov siab tshaj ntawm 1.35%.
Mechanical Property
Qib A | Qib C | |
Tensile zog | ≥ 415 | ≥ 485 |
Yield zog | ≥ 255 | ≥ 275 |
Elongation tus nqi | ≥ 30 | ≥ 30 |
Kev Xeem Xeem
Hydraustatic Test:
Cov yeeb nkab steel yuav tsum tau sim Hydraulic ib leeg. Qhov ntsuas siab tshaj plaws yog 20 MPa. Nyob rau hauv qhov kev sim siab, lub sij hawm ruaj khov yuav tsum tsis pub tsawg tshaj 10 S, thiab cov yeeb nkab hlau yuav tsum tsis txhob tawm.
Tom qab tus neeg siv pom zoo, Kev Ntsuas Hydraulic tuaj yeem hloov tau los ntawm Eddy Tam sim no Kev Ntsuas lossis Kev Ntsuas Flux Flux.
Flattening Test:
Tubes nrog ib txoj kab uas hla sab nraud loj dua 22 hli yuav tsum raug rau qhov kev ntsuam xyuas flattening. Tsis pom kev delamination, pob dawb, lossis impurities yuav tsum tshwm sim thaum tag nrho kev sim.
Flaring Test:
Raws li qhov yuav tsum tau muaj ntawm tus neeg yuav khoom thiab tau teev nyob rau hauv daim ntawv cog lus, cov yeeb nkab steel nrog txheej txheej ≤76mm thiab phab ntsa Thickness ≤8mm tuaj yeem ua tiav Flaring Test. Qhov kev sim tau ua nyob rau hauv chav kub nrog ib tug taper ntawm 60 °. Tom qab Flaring, Qhov Flaring Rate ntawm Sab Nrauv Sab Nraud Yuav Tsum Tau Ua Raws Li Cov Lus Qhia hauv qab no, thiab cov khoom siv kuaj yuav tsum tsis txhob muaj qhov tawg lossis tawg.
Hardness Test:
Brinell los yog Rockwell hardness tests yuav tsum tau ua ntawm cov qauv ntawm ob lub raj los ntawm txhua qhov ntau