ASME SA 333 Qib 6 Carbon Steel Seamless Pipes piav qhia
GR6 seamless steel kav nruj me ntsis ua raws li ASTM A333 / A333M tus qauv tshwj xeeb rau seamless thiab welded steel kav rau cov khoom siv cryogenic, tsim los ntawm American Society for Testing and Materials (ASTM). Cov txheej txheem no qhia txog cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, cov txheej txheem tsim khoom, cov txheej txheem kev sim, thiab kev tswj xyuas zoo ntawm cov kav dej steel, kom ntseeg tau tias kev ua tau zoo hauv qhov chaw cryogenic. Tus qauv faib GR6 raws li -45℃cryogenic steel yeeb nkab, haum rau ntau yam kev lag luam piping systems nrog cov kev cai nruj rau qhov kub thiab txias.
ASTM A333 Qib 6 steel yeeb nkab specification
Chemical Cheebtsam
| Cov ntsiab lus,% | ASTM A333 Qib 6 |
| Cov pa roj carbon | 0.30 max |
| Manganese | 0.29 – 1.06 a |
| Phosphorus | 0.025 max |
| Sulfur | 0.025 max |
| Silicon | 0.10 min |
| Nickel | 0.40 max |
| Chromium | 0.30 max |
| Tooj | 0.40 max |
| Vanadium | 0.08 max |
| Niobiumd | 0.02 maxc |
| Molybdenum | 0.12 max |
Mechanical Properties
Tensile Requirement
Tensile Strength thiab Yield Strength
| Tensile | ASTM A333 Qib 6 |
| Tensile zog, min, psi [MPa] | 60000 [415] |
| Yield zog, min, psi [MPa] | 35000 [240] |
Elongation
| Elongation | ASTM A333 Qib 6 | ||
| Ntev | Hloov | ||
| Elongation hauv 2 nti lossis 50 mm, lossis 4D , min, % |
Basic yam tsawg kawg nkaus elongation rau phab ntsa 5/16 nyob rau hauv. [8 mm] thiab tshaj nyob rau hauv thickness, strip xeem, thiab rau tag nrho cov me me uas tau kuaj nyob rau hauv tag nrho cov seem | 30 | 16.5 |
| Thaum tus qauv puag ncig 2 nyob rau hauv. los yog 50 hli gage ntev los yog proportionally me me test specimen nrog lub gage ntev sib npaug rau 4D (4 npaug ntawm txoj kab uas hla) yog siv. | 22 | 12 | |
| Rau kev ntsuam xyuas strip, txiav tawm rau txhua 1/32in. [0.8 mm] txo cov phab ntsa thickness hauv qab 5/16 nyob rau hauv. [8 mm] los ntawm qhov yooj yim yam tsawg kawg nkaus elongation ntawm cov feem pua nram qab no | 1.50 b | 1.00 b | |
b Cov lus hauv qab no muab cov txiaj ntsig yam tsawg kawg nkaus.
| xam qhov tsawg kawg nkaus elongation qhov tseem ceeb rau txhua 1/32 in. [0.80 mm] txo cov phab ntsa thickness | |||
| Phab ntsa Thickness | Qib 6 | ||
| hauv. | mm | ntev | transverse |
| 5/16 [0.312] | 8 | 30 | 16 |
| 9/32 [0.281] | 7.2 | 28 | 15 |
| 1/4 [0.250] | 6.4 | 27 | 15 |
| 7/32 [0.219] | 5.6 | 26 | - |
| 3/16 [0.188] | 4.8 | 24 | - |
| 5/32 [0.156] | 4.0 | 22 | - |
| 1/8 [0.125] | 3.2 | 21 | - |
| 3/32 [0.094] | 2.4 | 20 | - |
| 1/16 [0.062] | 1.6 | 18 | - |
SA333 GR6 LCTS yeeb nkab sib npaug
| ASME | EN | GB |
| ASME SA333 Qib 6 | TS EN 10216-4 P265NL | GB/T 18984 16MnDG |
A333 GR6 Tsawg-Tsuas Ua Haujlwm Zoo
Impact Test kub: -45℃(-50℃F); Impact Energy Requirement: Ntau dua lossis sib npaug rau 13 Joules
Test Method: Charpy impact test, specimen size 10mm × 10mm, hloov lub sij hawm los ntawm txias ntaus ntawv mus rau tej yam kev kuaj tshuab tsis pub tshaj 5 vib nas this.
Kev tuav lub zog cuam tshuam ntawm Ntau dua lossis sib npaug rau 13J ntawm -45℃qhia tau tias nws qhov kub thiab txias zoo heev. Cov kev xeem tiag tiag feem ntau ua tiav 296-308J, deb tshaj qhov yuav tsum tau ua.
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