Qhov no specification (ASTM B68) tsim cov kev cai rauqaim annealed seamless tooj liab rajhaum rau siv nyob rau hauvtub yees, roj kab, roj av kab, thiab cov kev siv zoo sib xws nyob qhov twg lub raj nrog ib qho chaw sab hauvqhov tseem ceeb yog dawb los ntawm nplai thiab avyog yuav tsum tau. GNEE cov khoom sivC12200 cevmanufactured rau qhov specification.
ASTM B68 tso cai rau cov tooj liab tooj liab UNS hauv qab no:
| Copper UNS No. | Hom tooj liab |
|---|---|
| C10200 | Oxygen -dawb yam tsis muaj deoxidants seem |
| C10300 | Oxygen-dawb, tsis muaj phosphorus ntxiv |
| C10800 | Oxygen-dawb, tsis muaj phosphorus |
| C12000 | Phosphorus deoxidized, tsis tshua muaj phosphorus |
| C12200 | Phosphorus deoxidized, siab residual phosphorus (feem ntau) |
ASTM B68 vs ASTM B111 rau C12200
| Feature | ASTM B68 | ASTM B111 |
|---|---|---|
| Title | Seamless Copper Tube, Bright Annealed | Copper & Copper Alloy Seamless Condenser Tubes & Ferrule Tshuag |
| Daim ntawv thov tseem ceeb | Lub tub yees, roj kab, roj kab, huv si sab hauv | Kub exchangers, condensers, evaporators |
| Surface condition | Bright annealed(tswj huab cua) | Tsis tau teev - feem ntau zeb tiav |
| Cov Kev Xeem Tseem Ceeb | Kev nthuav dav (40% rau OD Tsawg dua lossis sib npaug rau 3/4 "), flattening, xaiv eddy-tam sim no | Kev nthuav dav (30%), flattening,Kev ntsuas hydrostatic |
| Kub | O50 (lub teeb annealed) los yog O60 (mos annealed) | O61 (ntxiv) |
| Tensile zog | Yam tsawg kawg nkaus 30 ksi (205 MPa) | 30 - 45 ksi (205 - 310 MPa) |
| Elongation | Tsawg kawg 40%(hauv 2 ″) | Tsawg kawg 35%(hauv 2 ″) |
| Yield zog | Tsis tau teev tseg | 10 - 15 ksi (69 - 103 MPa) |
| Loj Loj | Specified (saib cov lus hauv qab no) | Tsis tau teev tseg |
| Hydrogen Embrittlement Test | Yuav tsum tau rau C12200 (ASTM B577, Txheej Txheem B) | Tsis yuam |
| Cuprous Oxide Test | Tsis xav tau rau C12200 | Tsis xav tau |
GNEE Cov Lus Pom Zoo:SivASTM B68rau tub yees, roj / roj kab, thiab huv si sab hauv daim ntaub ntawv. SivASTM B111rau cua sov exchanger thiab condenser kev pab.
ASTM B68 - Tshuaj muaj pes tsawg leeg (C12200)
| Element | Copper (Cu) | Phosphorus (P) |
|---|---|---|
| Cov ntsiab lus (%) | 99.9% min | 0.015 – 0.040% |
ASTM B68 - Temper & Grain Size Requirements
| Kub | Lub npe | Noob Noob Noob |
|---|---|---|
| O50 | Lub teeb annealed | 0.025-0.060 hli(nruab nrab) |
| O60 | Mos annealed | 0.040 hli max(nruab nrab) |
ASTM B68 - Mechanical Property Requirements
| Khoom | Kev xav tau rau C12200 |
|---|---|
| Tensile zog (yam tsawg kawg nkaus) | 30 ksi (205 MPa) |
| Elongation (tsawg kawg, hauv 2 "gage ntev) | 40% |
ASTM B68 - Cov Lus Qhia Txog Kev Tshawb Fawb
| Sab nraud txoj kab uas hla | Expansion Requirement |
|---|---|
| 3/4 "thiab hauv qab | 40% expansion- tsis muaj kab nrib pleb lossis ruptures |
| Tshaj 3/4 " | 30% expansion- tsis muaj kab nrib pleb lossis ruptures |
Txoj Kev Xeem: ASTM B153 (Pin Test). Ib qho kev sim flattening yog ib qho kev xaiv rau cov yeeb nkab annealed tshaj 4 "nyob rau hauv txoj kab uas hla.
ASTM B68 - Hydrogen Embrittlement & Cuprous Oxide Tests
| Kuaj | Kev xav tau rau C12200 |
|---|---|
| Cuprous Oxide Detection(ASTM B577, Txheej Txheem A) | Tsis xav taurau C12200 (tsuas yog rau C10200, C10300, C12000) |
| Hydrogen Embrittlement Test(ASTM B577, Txheej Txheem B) | Yuav tsum tau(yog tias teev nyob rau hauv cov ntaub ntawv xaj). C12200 yuav dhau mus. |
ASTM B68 - Kev Ntsuas Tsis Zoo (Eddy-Tam sim no)
Drilled Hole Standards rau Eddy-Tam sim no Test:
| Tube sab nraud txoj kab uas hla (in.) | Txoj kab uas hla ntawm Drilled qhov (hauv.) | Drill Number |
|---|---|---|
| 1/4 txog 3/4, incl | 0.025 | 72 |
| Tshaj 3/4 rau 1, incl | 0.031 | 68 |
| Tshaj 1 txog 1-1/4, incl | 0.036 | 64 |
| Tshaj 1-1/4 rau 1-1/2, incl | 0.042 | 58 |
| Tshaj 1-1/2 rau 1-3/4, incl | 0.046 | 56 |
| Tshaj 1-3/4 rau 2, incl | 0.052 | 55 |
ASTM B68 - Dimensions & Tolerances
Dimensions thiab tolerances ua rawsASTM B 251 Cov Lus Qhia(Qhov Yuav Tsum Tau Muaj rau Wrought Seamless Copper thiab Copper -Alloy Tube). GNEE tuaj yeem muab tau:
| Parameter | Hom kab mob |
|---|---|
| Sab nraud txoj kab uas hla | 1/8 "- 3-1/8" (3.2mm - 79.4mm) |
| Phab ntsa Thickness | 0.005 "- 0.250" (0.13 hli - 6.35mm) |
| Ntev | Ncaj ntev los yog coils |
| Nto | Bright annealed- huv, tsis muaj nplai thiab av |
Kev ua haujlwm, ua tiav, thiab tshwm sim
Tube yuav tsumhuv si, tsis muaj av, nplai, thiab lwm yam tsis xws luag
Bright annealed tom qab kev ua haujlwm dhau los(los yog tom qab coiling yog xav tau)
Sab hauv thiab sab nrauv yuav tsum yog ib yam ntawmci annealed tooj liab
Cov kab mob uas tsis cuam tshuam nrog kev npaj yuav siv tau
Sampling & Ntau Qhov Loj (ASTM B68)
| Loj Loj | Tus naj npawb ntawm cov qauv |
|---|---|
| 1-50 pcs | 1 |
| 51-200 pcs | 2 |
| 201-1500 pcs | 3 |
| Ntau tshaj 1500pcs | 0.2% ntawm tag nrho (max 10 pieces) |
ASTM B111 - Cov Lus Qhia Ntxiv rau Cov Kub Kub Exchanger Tubes
Rau cov neeg muas zaub uas xav tau C12200 raj rauThaum tshav kub kub exchanger los yog condenser kev pab, GNEE kuj muab rauASTM B111nrog rau cov kev xav tau ntxiv hauv qab no:
| Parameter | ASTM B111 Cov Lus Qhia rau C12200 |
|---|---|
| Yield zog (0.5% ext.) | 10 - 15 ksi (69 - 103 MPa) |
| Hydrostatic Test | Leak-dawb ntawm lub siab ceev |
| Kub | O61 (annealed) - zoo ib yam li O60 |
| Kev nthuav dav | 30% (tsis yog 40%) |
FAQ
1. Dab tsi yog qhov txawv ntawm ASTM B68 thiab ASTM B111 rau C12200 raj?
ASTM B68 C12200 1yog rauqaim annealed seamless rajsiv nyob rau hauv tub yees, roj kab, thiab roj av kab - yuav tsum tau ahuv si, nplai -dawb sab hauvthiab40% elongation. ASTM B 111 C12200yog rauseamless heat exchanger thiab condenser raj- xav tauKev ntsuam xyuas hydrostaticthiab teevyield zog (10-15 ksi). Xaiv raws li koj daim ntawv thov.
2. C12200 ASTM B68 raj puas tuaj yeem siv rau kev siv hluav taws xob sib hloov?
Yog lawm, tab sis ASTM B111 yog tus qauv nyiamrau tshav kub exchangers. C12200 ua tau raws li ob qho qauv tshuaj, tab sis ASTM B111 yuav tsum tau kuaj ntxiv (yield zog, hydrostatic) uas ASTM B68 tsis. Rau qhov kev pabcuam cua sov, GNEE pom zooASTM B111 certified raj.
3. Yam tsawg kawg nkaus elongation yuav tsum tau rau C12200 nyob rau hauv ASTM B68?
ASTM B68 xav tau aTsawg kawg elongation ntawm 40%(hauv 2 "gage ntev) rau C12200 raj. Qhov no yog siab tshaj ASTM B111 (uas yuav tsum tau 35%), xav txog qhov ntau ductile, kaj annealed mob.
4. Qhov txawv ntawm O50 thiab O60 temper hauv ASTM B68 yog dab tsi?
O50 (lub teeb annealed)muaj grain loj ntawm0.025-0.060 hli- me ntsis nyuaj, ntau seem stability.O60 (mos annealed)muaj grain loj ntawm0.040 hli max- softer, ntau ductile. Ob leeg ua tau raws li 30 ksi tensile thiab 40% elongation yuav tsum.
5. Puas yog ASTM B68 xav tau kev kuaj hydrogen embrittlement rau C12200?
Yog, yog tias tau teev nyob rau hauv cov ntaub ntawv xaj.ASTM B68 yuav tsum tau C12200 kom dhau qhovHydrogen embrittlement test rau ASTM B577, txheej txheem B. Qhov no ua kom cov phosphorus deoxidation zoo thiab lub raj yuav tsis tawg thaum vuam lossis brazing.
6. Dab tsi yog qhov yuav tsum tau ua kom nthuav dav rau C12200 raws li ASTM B68?
RauOD Tsawg dua los yog sib npaug rau 3/4 " : 40% expansiontsis muaj kab nrib pleb. RauOD > 3/4 " : 30% expansiontsis muaj kab nrib pleb. Qhov no yog qhov xav tau ntau dua li ASTM B111 (uas yuav tsum tau 30% rau txhua qhov ntau thiab tsawg), qhia txog qhov siab dua ductility ntawm lub raj annealed.
7. Qhov txawv ntawm C12200 thiab C12000 rau ASTM B68 raj yog dab tsi?
C12200muaj0.015-0.040% phosphorus(high residual phosphorus).C12000muaj0.004-0.015% phosphorus(tsis tshua muaj phosphorus). C12200 muajzoo dua weldability thiab brazeabilityvim muaj phosphorus ntau dua. Ob leeg raug tso cai raws li ASTM B68.
8. Puas yog eddy-tam sim no yuav tsum xeem rau ASTM B68 C12200 raj?
Tsis yog, nws yog xaiv tau- tsuas yog xav tau thaum teev nyob rau hauv daim ntawv xaj khoom. Yog hais tias tsim nyog, tubes mus txog3-1/8" ODyuav tsum tau kuaj raws li ASTM E243 siv lub qhov drilled lossis notch qauv. GNEE tuaj yeem muab eddy- kev sim tam sim no raws li kev thov.
9. Dab tsi yog qhov sib npaug European tus qauv rau ASTM B68 C12200?
TS EN 12449(Copper thiab tooj liab alloys - Seamless round raj rau lub hom phiaj dav dav) yog qhov sib npaug nyob sab Europe. Rau qhov kaj annealed mob,EN 12449 nrog rau qhov chaw saum npoo tau teev tsegyog siv. GNEE tuaj yeem muab rau tus qauv.
10. C12200 ASTM B68 raj puas tuaj yeem welded lossis brazed?
Yog lawm, C12200 tshwj xeeb yog tsim los rau vuam thiab brazing.phosphorus deoxidation tiv thaiv hydrogen embrittlement. ASTM B68 yuav tsum tau xeem dhau qhov kev sim hydrogen embrittlement (ASTM B577, txheej txheem B) kom paub meej tias muaj peev xwm no.
11. Kuv tuaj yeem tau txais daim ntawv pov thawj zeb xeem ntawv pov thawj li cas rau C12200 rau ASTM B68 lossis ASTM B111 los ntawm GNEE?
GNEE muabDaim Ntawv Qhia Txog Kev Tshawb Fawb Txog Kev Tshawb Fawb (MTR)rau C12200 tubing muab rauASTM B68los yogASTM B111. MTR muaj xws li: tshuaj ntsuam xyuas, tensile lub zog, elongation, grain loj (rau B68), nthuav kev ntsuam xyuas, flattening xeem tau (yog tias tau teev), hydrogen embrittlement xeem tau (yog hais tias), thiab kub tooj.Hu rau GNEE kev muag khoomnrog koj tus qauv (ASTM B68 lossis B111), qhov loj me, npau taws, thiab qhov xav tau ntau.
Peb cov khoom ntim khoom siv tooj liab
Peb cov khoom siv tooj liab tau ua tib zoo ntim nrog cov rooj ntoo uas muaj zog, noo noo- cov ntawv pov thawj, lub kaus mom yas rau cov raj / cov yeeb nkab kawg, thiab cov hlua hlau los xyuas kom muaj kev tiv thaiv thaum lub sij hawm ntev - hiav txwv los yog huab cua freight.
Txhua txheej yog sib cais nrog ua npuas ncauj los yog yas spacers los tiv thaiv khawb thiab deformation, thaum txheem export seaworthy ntim raws li ISPM-15 yuav tsum tau. Cov ntawv qhia meej cov khoom (qib, qhov loj, qhov ntau, tus naj npawb cua sov) txuas rau txhua lub nras lossis coil, thiab cov ntawv tiv thaiv ntxiv -tarnish ntxiv yog ntxiv rau cov chaw muaj av noo los lav tias cov tooj liab, cov ntawv, cov hlua, cov xov hlau, thiab cov strips tuaj txog ntawm koj lub tsev rau khoom.
Peb lub Hoobkas
Peb lub Hoobkas
Peb lub Hoobkas tau nruab nrog cov kab ntau lawm rau cov raj tooj liab, nplooj ntawv, rods, xov hlau, thiab strips, featuring advanced extrusion, dov, kos duab, thiab annealing machinery. Peb siv cov cuab yeej precision xws li nruam casting thiab dov kab, siab -ceev hlau nqus tshuab, thiab hydraulic presses los xyuas kom meej qhov ntev thiab qhov zoo. Rau kev tswj kom zoo, peb muaj ib qho hauv - lub tsev kuaj qhov chaw nruab nrog spectrometers, tensile testers, hardness testers, eddy tam sim no flaw detectors, thiab metallographic microscopes, ua rau peb saib xyuas cov khoom muaj pes tsawg leeg, mechanical zog, thiab defects ntawm txhua theem ntawm kev tsim khoom.
