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U14
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
4300 Catalog
General Technical
Dimensions and pressures for reference only, subject to change.
Tube and Fitting Material Compatibility
As a general rule, tube and fitting materials should be the same.
If different materials must be considered, the following chart can
be used as a general guide. Since operating conditions differ
with applications, this chart should be used only as a guide
and not a firm recommendation. Before making a final decision
on material combination, it should be sufficiently tested under
appropriate conditions to assure suitability for the intended
application. For additional material combinations
,
contact the
Tube Fittings Division.
Ratings Key:
NR Not Recommended
F Fair
G Good
E Excellent
Fitting Materials Code:
S Steel
SS Stainless Steel
B Brass
M Monel
Notes:
1) For highly corrosive media or service environment
,
contact the Tube Fittings Division.
2) Requires different assembly procedur
e.
Contact the Tube Fittings Division.
3) Low temperature limit for stainless steel Ferulok fittings is -20°F (-30°C).
4) For brazing only. Grade 4130 not recommended with Parflange process.
5) For use with Parflange process only. Not recommended with brazing.
6) Use depends on specific application. Contact the Tube Fittings Division.
7) Applies to tube material.
8) Comparable specifications to SAE.
9) With metric version of tubing.
10) Not tested with Parflange
.
Contact the Tube Fittings Division.
Table U7 —Tube and Fitting Material Compatibility
Tube
Material
Specification Construction Condition
Max.
Hardness
Temperature
Range (7)
Application
Tube Material to Fitting & Material Compatibility
Seal-Lok
ORFS
(SAE
J1453)
Triple-Lok
37° Flare
(SAE J514)
Ferulok
Flareless
(SAE J514)
Intru-Lok
Flareless
EO / EO-2
Flareless
(ISO 8434-1)
S SS B S SS B M S SS M B S, SS, B, M
Carbon Steel
C-1010
SAE J524
(ASTM A179) (8)
Seamless
Fully
Annealed
HRB 72
-65° to 500°F
-55° to 260°C
High pressure
hydraulic, air, &
some specialty
chemicals
E NR (6) G NR (6) NR E NR NR NR
NR
SAE J525
(ASTM A178) (8)
Welded &
Drawn
E NR (6) E NR (6) NR E NR NR NR
NR
SAE J356
Welded &
Flash
Controlled
G NR (6) NR NR (6) NR G NR NR NR
NR
Carbon Steel
C-1021
SAE J2467
Welded &
Flash
Controlled
Fully
Annealed
HRB 75
-65° to 500°F
-55° to 260°C
High pressure
hydraulic
E NR (6) NR NR (6) NR E NR NR NR
NR
SAE J2435
Welded &
Drawn
E NR (6) E NR (6) NR E NR NR NR
NR
Carbon Steel
High Strength
Low Alloy
(HSLA)
SAE 2613
Welded &
Flash
Controlled
Sub-critically
annealed
HRB 90
-65° to 500°F
-55° to 260°C
High pressure
hydraulic
E
(10)
NR (6) NR NR NR NR NR NR NR NR
NR
SAE J2614
Welded &
Drawn
E NR (6) NR NR NR NR NR NR NR NR
NR
Alloy Steel
4130
ASTM A519 Seamless
-65° to 500°F
-55° to 260°C
High pressure
hydraulics
E
(4)
NR NR NR NR NR NR NR NR NR NR
NR
St 37.4
(Carbon
Steel)
DIN 2391
Part 2
(Metric)
Seamless
Fully
Annealed
HRB 72
-65° to 500°F
-55° to 260°C
High pressure
hydraulic, air, &
some specialty
chemicals
E NR NR G NR NR NR NR NR NR NR
E
Stainless
Steel 304 &
316
ASTM A213
ASTM A269
Seamless
Fully
Annealed
HRB 90
-425° to 1200°F
-255° to 650°C
(3)
High pressure, high
temperature, or
generally corrosive
media (1)
(6) E (6) (6) G (6) NR (6) E NR NR
NR
ASTM A249
ASTM A269
Welded &
Drawn
(6) E (6) (6) E (6) NR (6) E NR NR
NR
1.4571
1.4541
Stainless
Steel
DIN 17458
Tab 8
(Metric)
Seamless
Fully
Annealed
HRB 90
-425° to 1200°
-255° to 650°C
(3)
High pressure, high
temperature, or
generally corrosive
media (1)
(6) E NR (6) G NR NR NR E NR NR
E
Copper
SAE J528
(ASTM B-75) (8)
Seamless
Soft
Annealed
Temper 0
60 Max.
Rockwell
15T
-325° to 400°F
-200° to 205°C
Low pressure, low
temperature, water,
oil & air
E (6) E G (6) E NR
G
(2)
NR NR E
E
Aluminum
6061
ASTM-B210 Seamless
T6 Temper HRB 56
-325° to 400°F
-200° to 205°C
Low pressure, low
temperature, water,
oil, air & some
specialty chemicals
NR NR NR G NR NR NR
E
(2)
NR NR (6)
NR
0 & T4
Temper
HRB 30
E
(5)
NR NR G NR NR NR
E
(2)
NR NR (6)
NR
Monel 400 ASTM-B165 Seamless
Fully
Annealed
HRB 70
-400° to 800°F
-240° to 425°C
Sour gas, marine
& general chemical
processing media
NR (6) NR NR (6) NR E NR (6) E NR
NR
Nylon
Extruded
Flexible &
Semi-Rigid
-60° to 200°F
-50° to 95°C
Lube lines, chemcial
process controls
& air
NR NR NR NR NR NR NR
G
(2)
G
(2)
G
(2)
E G (2), (9)
Polyethylene ASTM D-1248 Extruded
Instrument
Grade
-80° to 150°F
-60° to 65°C
Instrumentation
lines
NR NR NR NR NR NR NR
G
(2)
G
(2)
G
(2)
E G (2), (9)
PVC
Extruded
Instrument &
Laboratory
Grade
0° to 140°F
-20° to 60°C
General purpose
laboratory use
NR NR NR NR NR NR NR NR NR NR G
NR
PTFE
Extruded
& Cintered
-65° to 400°F
-55° to 205°C
Very low pressure,
high temperature,
fuel, lube, chemical
& air applications
NR NR NR NR NR NR NR
G
(2)
G
(2)
G
(2)
G G (2), (9)