seamless alloy steel tubing
A333 seamless steel yeeb nkabyog cov khoom siv hlau dav siv hauv roj av, tshuaj lom neeg kev lag luam, hluav taws xob fais fab thiab lwm yam kev lag luam.
A333 Gr1 Gr2 Gr3 seamless alloy steel yeeb nkab muaj zog thiab hardness, thiab muaj zoo plasticity thiab toughness. Ntawm chav tsev kub, nws lub zog tensile tuaj yeem ncav cuag 500 ~ 700MPa, yield zog yog 270 ~ 410MPa, thiab elongation yog 18% ~ 22%. Ntawm qhov kub thiab txias, nws lub zog thiab hardness yuav tsis txo qis, thaum muaj kev cuam tshuam zoo thiab qaug zog.
Lub ntsiab Cheebtsam ntawm A333 Gr1 Gr2 Gr3 tsawg kub steel yeeb nkab muaj xws li hlau, carbon, chromium, npib tsib xee, manganese thiab lwm yam khoom. Ntawm lawv, chromium muaj kev tiv thaiv corrosion zoo heev, thaum ntxiv cov npib tsib xee ntxiv txhim kho corrosion kuj thiab toughness ntawm cov khoom. Tsis tas li ntawd, A333 GR.6 seamless steel yeeb nkab kuj muaj qee qhov nyiaj ntawm silicon, phosphorus, sulfur thiab lwm yam, uas muaj qee yam cuam tshuam rau cov khoom siv kho tshuab thiab kev ua haujlwm ntawm cov khoom.
A333 Gr1 Gr2 Gr3Tshuaj muaj pes tsawg leeg (%)
|
|
C (max) |
Mn |
P (max) |
S (max) |
Si |
Ni |
|
Qib 1 |
0.03 |
0.40 – 1.06 |
0.025 |
0.025 |
|
|
|
Qib 3 |
0.19 |
0.31 – 0.64 |
0.025 |
0.025 |
0.18 – 0.37 |
3.18 – 3.82 |
|
Qib 6 |
0.3 |
0.29 – 1.06 |
0.025 |
0.025 |
0.10 (min) |
|
Phab ntsa Thickness & Tolerance
|
Sab nraud Diameter, nti |
Kev kam rau siab,% |
|
1/8 Tsawg dua lossis sib npaug rau OD Tsawg dua lossis sib npaug rau 2-1/2 |
+20.0/-12.5 |
|
3 Tsawg dua lossis sib npaug rau OD Tsawg dua lossis sib npaug rau 18, WT / OD Tsawg dua lossis sib npaug li 5% |
+22.5/-12.5 |
|
3≤OD≤18, WT/OD>5% |
+15.0/-12.5 |
|
OD Ntau dua lossis sib npaug rau 20, WT / OD Tsawg dua lossis sib npaug li 5% |
+22.5/-12.5 |
|
OD≥20, WT/OD>5% |
+15.0/-12.5 |
ASTM A333 Qib 3 Alloy Seamless Steel Pipes
A333 GR1 GR3 GR6 Alloy steel yeeb nkab Cov yam ntxwv
- Tsawg-Temperature Toughness: ASTM A333 / ASME SA333 steel kav tau txais kev kho tshwj xeeb, ua kom pom qhov zoo tshaj plaws qis- kub toughness. Lawv tuav cov cuab yeej zoo tshaj plaws thiab cuam tshuam qhov hnyav hauv ib puag ncig xws li -45℃txog -195 degree.
- Lub zog muaj zog: Cov kav hlau no muaj lub zog tensile siab thiab lub zog tawm los, ua rau lawv tuaj yeem tiv taus qhov hnyav thiab hnyav.
- Zoo Weldability: ASTM A333 / ASME SA333 steel kav muaj qhov zoo weldability thiab tuaj yeem koom nrog siv ntau txoj kev vuam, xws li arc vuam thiab tsis kam vuam.
- Corrosion Resistance: Cov kav hlau steel no qhia tau zoo heev corrosion kuj nyob rau hauv qis -kub ib puag ncig, tiv thaiv yaig ntawm ntau yam corrosive media.
A333 GR1 GR3 GR6 Seamless steel yeeb nkab Daim ntawv thov cheeb tsam
ASTM A333 / ASME SA333 seamless thiab welded steel kav rau cov khoom siv cryogenic feem ntau yog siv hauv cov hauv qab no:
- Cryogenic Pressure Vessels: Xws li liquefied natural gas (LNG) cia tanks, kua oxygen cia tanks, thiab lwm yam.
- Cryogenic Thaum tshav kub kub Exchangers: xws li cov cua kub exchangers nyob rau hauv cov khoom cua sib cais, condensers nyob rau hauv lub tub yees, thiab lwm yam.
- Lwm yam khoom siv cryogenic: xws li cov kav dej cryogenic, cryogenic li qub, thiab lwm yam.
GNEE Tus nqi ntxiv -cov kev pabcuam ntxiv
UT (Ultrasonic kuaj)
AR (Raws li Kub Rolled nkaus xwb)
TMCP (Thermal Mechanical Control Processing)
N (Normalized)
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