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风格 02
工程图纸
制图胶片上的工程图：按真实笔宽画的石墨线条，一种红铅笔强调色，配引线编号、注释、图层与标题栏。
原创，2026-10-26。风格 02。
1
主题色
1 套配色；一个系列只用一套
Corrosion under insulation: the drawing sheet, as a film
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
E
E
F
F
A
A
CLADDING
INSULATION
STEEL
BORE
4
METAL TEMPERATURE: SEE GRAPH 1
1
3
2
5
LONGITUDINAL SECTION
12 O'CLOCK
6 O'CLOCK
B
2
3
6
SECTION A–A
t NOM.
t REM.
STEEL WALL
5
WALL LOSS, HIDDEN
2
WATER AGAINST STEEL
3
INSULATION, WET
CLADDING
DETAIL B
SCALE 4 : 1
GRAPH 1
CUI RISK RANGES BY METAL TEMPERATURE
HSE 2011 · CAO ET AL. 2022
HSE 2011
MOST CRITICAL
CAO 2022*
RISKIEST
WHERE THE
SOURCES STAND
LOWER,
NOT ZERO
SOURCES
DIFFER
BOTH FLAG IT
PEAK RISK
SOURCES
DIFFER
LOWER
WHILE HOT
0
50
100
150
200
METAL TEMPERATURE, °C
* CAO ET AL. 2022, CITING NACE SP0198 AND API RP 583. RANGES ARE FROM THE TWO DOCUMENTS NAMED,
NOT THE TEXT OF A PAID STANDARD; ENGINEERING DECISIONS NEED THE CURRENT EDITION OF API RP 583.
REVISIONS
REV
DESCRIPTION
DATE
BY
0
FIRST ISSUE, FROM THE LIBRARY PAGE OF 2026-10-25
2026-10-26
BL
NOTES
1
WATER IN
HSE 2011 · CAO ET AL. 2022
FROM RAIN, COOLING TOWERS, SPRINKLER AND DELUGE SYSTEMS, OR
CONDENSATION. IT GETS IN THROUGH BADLY DESIGNED OR FITTED
CLADDING, FAILED JOINT SEALANT, MECHANICAL DAMAGE, OR
CLADDING NOT REFITTED AFTER MAINTENANCE.
2
LOW POINTS
HSE 2011 · CAO ET AL. 2022
IT GATHERS ON THE UNDERSIDE OF HORIZONTAL RUNS AND ELBOWS, AT
VESSEL BASES, PIPE SUPPORTS, NOZZLE CONNECTIONS AND DRAIN
LEGS. DAMAGE IS OFTEN FOUND AT THE 6 O'CLOCK POSITION.
3
HELD
HSE 2011
INSULATION LEAVES A SPACE AGAINST THE METAL WHERE WATER CAN
SIT WITH AIR. MINERAL WOOL, FIBREGLASS AND CALCIUM SILICATE
SOAK UP WATER EASILY; FOAM GLASS AND PERLITE TAKE UP LESS.
WINDA
BEACON · LIBRARY
TITLE
CORROSION UNDER INSULATION
(CUI)
INSULATED HORIZONTAL PIPE: SECTIONS, DETAIL, RISK RANGES
READ
beacon.winda.ai/library/corrosion-under-insulation
CREDIT
MADE WITH AI TOOLS. CHECKED BY JUN ZHONG AS EDITOR.
DRAWN
BEACON LIBRARY
CHECKED
J. ZHONG, EDITOR
DATE
2026-10-26
DWG NO.
WB-LIB-CUI-001
REV
0
SCALE
NTS
SHEET
1 OF 1
PROJECTION
WATER, HELD AGAINST THE STEEL
ANODE
IRON LEAVES THE METAL
ELECTRONS, THROUGH THE WALL
CATHODE
OXYGEN AND WATER
CONSUME THEM
STEP
5
ZONE
E2
where
oxygen
and
water
consume
them.
SOURCE
HSE SPC/TECH/GEN/18 (2011) · PHMSA, pipeline corrosion (2008)
默认
· 深色
2
影片
以此风格制作的全部选题
Corrosion under insulation: the drawing sheet, as a film
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
E
E
F
F
A
A
CLADDING
INSULATION
STEEL
BORE
4
METAL TEMPERATURE: SEE GRAPH 1
1
3
2
5
LONGITUDINAL SECTION
12 O'CLOCK
6 O'CLOCK
B
2
3
6
SECTION A–A
t NOM.
t REM.
STEEL WALL
5
WALL LOSS, HIDDEN
2
WATER AGAINST STEEL
3
INSULATION, WET
CLADDING
DETAIL B
SCALE 4 : 1
GRAPH 1
CUI RISK RANGES BY METAL TEMPERATURE
HSE 2011 · CAO ET AL. 2022
HSE 2011
MOST CRITICAL
CAO 2022*
RISKIEST
WHERE THE
SOURCES STAND
LOWER,
NOT ZERO
SOURCES
DIFFER
BOTH FLAG IT
PEAK RISK
SOURCES
DIFFER
LOWER
WHILE HOT
0
50
100
150
200
METAL TEMPERATURE, °C
* CAO ET AL. 2022, CITING NACE SP0198 AND API RP 583. RANGES ARE FROM THE TWO DOCUMENTS NAMED,
NOT THE TEXT OF A PAID STANDARD; ENGINEERING DECISIONS NEED THE CURRENT EDITION OF API RP 583.
REVISIONS
REV
DESCRIPTION
DATE
BY
0
FIRST ISSUE, FROM THE LIBRARY PAGE OF 2026-10-25
2026-10-26
BL
NOTES
1
WATER IN
HSE 2011 · CAO ET AL. 2022
FROM RAIN, COOLING TOWERS, SPRINKLER AND DELUGE SYSTEMS, OR
CONDENSATION. IT GETS IN THROUGH BADLY DESIGNED OR FITTED
CLADDING, FAILED JOINT SEALANT, MECHANICAL DAMAGE, OR
CLADDING NOT REFITTED AFTER MAINTENANCE.
2
LOW POINTS
HSE 2011 · CAO ET AL. 2022
IT GATHERS ON THE UNDERSIDE OF HORIZONTAL RUNS AND ELBOWS, AT
VESSEL BASES, PIPE SUPPORTS, NOZZLE CONNECTIONS AND DRAIN
LEGS. DAMAGE IS OFTEN FOUND AT THE 6 O'CLOCK POSITION.
3
HELD
HSE 2011
INSULATION LEAVES A SPACE AGAINST THE METAL WHERE WATER CAN
SIT WITH AIR. MINERAL WOOL, FIBREGLASS AND CALCIUM SILICATE
SOAK UP WATER EASILY; FOAM GLASS AND PERLITE TAKE UP LESS.
WINDA
BEACON · LIBRARY
TITLE
CORROSION UNDER INSULATION
(CUI)
INSULATED HORIZONTAL PIPE: SECTIONS, DETAIL, RISK RANGES
READ
beacon.winda.ai/library/corrosion-under-insulation
CREDIT
MADE WITH AI TOOLS. CHECKED BY JUN ZHONG AS EDITOR.
DRAWN
BEACON LIBRARY
CHECKED
J. ZHONG, EDITOR
DATE
2026-10-26
DWG NO.
WB-LIB-CUI-001
REV
0
SCALE
NTS
SHEET
1 OF 1
PROJECTION
WATER, HELD AGAINST THE STEEL
ANODE
IRON LEAVES THE METAL
ELECTRONS, THROUGH THE WALL
CATHODE
OXYGEN AND WATER
CONSUME THEM
STEP
5
ZONE
E2
where
oxygen
and
water
consume
them.
SOURCE
HSE SPC/TECH/GEN/18 (2011) · PHMSA, pipeline corrosion (2008)
保温层下腐蚀（CUI）是什么？