Aluminum Bronze/ Niobium/Tantalum Hydraulic Tube Fittings

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SPECIAL GRADE HYDRAULIC FITTINGS

 

Specification And Material Grade Of Special Grade Hydraulic Fittings

BRAND  TU-LOK
DESIGN STANDARD DIN 2353/ ISO 8434-1
MATERIAL 904L , 6MO, TITANIUM , ALUMNIUM, ALLOY 20
SERIES  LL- LOW PRESSURE , L- MEDIUM PRESSURE,  S- HIGH PRESSURE
WORKING PRESSURE  (LOW) LL SERIES - 100 BAR
(MEDIUM)L SERIES - 100 BAR TO 500 BAR
(HEAVY)S SERIES - 200 BAR TO 800 BAR
SIZE RANGE  LL SERIES - 4LL TO 12LL
L SERIES - 6L TO 42L
S SERIES - 6S TO 38S
CONNECTIONS TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE 
WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL 
BODY TYPE FORGED, BAR STOCK
ACCESSORIES O-RING, DOWTY SEAL , COPPER WASHER , ED SEAL, CUTTING RING , NUT
O-RING & SEALS  NBR ( -35*C TO 100* C ) VITON (-25*C TO 200* C) , PTFE - (-60*C TO 240*)
SURFACE EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH

 

Various Types Of Special Grade Hydraulic Fittings

904L HYDRAULIC FITTINGS

904L HYDRAULIC FITTINGS

ALLOY 20 HYDRAULIC FITTINGS

ALLOY 20 HYDRAULIC FITTINGS

ALUMINUM HYDRAULIC FITTINGS

ALUMINUM HYDRAULIC FITTINGS

ALUMINUM ANODIZED HYDRAULIC FITTINGS

ALUMINUM ANODIZED HYDRAULIC FITTINGS

ALUMNIUM BRONZE HYDRAULIC FITTINGS

ALUMNIUM BRONZE HYDRAULIC FITTINGS

NIOBIUM HYDRAULIC FITTINGS

NIOBIUM HYDRAULIC FITTINGS

SMO 254 HYDRAULIC FITTINGS

SMO 254 HYDRAULIC FITTINGS

TANTALUM HYDRAULIC FITTINGS

TANTALUM HYDRAULIC FITTINGS

TITANIUM GR. 2 HYDRAULIC FITTINGS

TITANIUM GR. 2 HYDRAULIC FITTINGS

TITANIUM GR. 5 HYDRAULIC TUBE FITTINGS

TITANIUM GR. 5 HYDRAULIC TUBE FITTINGS

TITANIUM HYDRAULIC FITTINGS

TITANIUM HYDRAULIC FITTINGS

ZIRCONIUM 702 HYDRAULIC FTIINGS

ZIRCONIUM 702 HYDRAULIC FTIINGS

 

Mechanical Properties Of AISI 904L Hydraulic Fittings

Tensile Strength (MPa) min
Yield Strength 0.2% Proof (MPa) min
Elongation (% in 50mm) min
Hardness
Rockwell B (HR B)
Hardness
Brinell (HB)
490
220
36
70-90 typical
150

 

Chemical Composition Standard Of UNS N08904 Ermeto Tube Fittings

C Mn Si P S Cr Mo Ni Cu
0.02 Max 2.0 Max 1.0 Max 0.045 Max 0.035 Max 19.0 Min
23.0 Max		 4.0 Min
5.0 Max		 23.0 Min
28.0 Max		 1.0 Min
2.0 Max

 

Physical Properties 1.4539 Single Ferrule Fittings

Grade
904L
Density
(kg/m3)
7900
Elastic Modulus
(GPa)
190
Mean Co-eff of Thermal Expansion (µm/m/°C)
0-100°C
15
0-315°C
0-538°C
Thermal Conductivity
(W/m.K)
At 20°C
11.5
At 500°C
Specific Heat 0-100°C
(J/kg.K)
500
Elec Resistivity
(nΩ.m)
952

 

Chemical Structure Of 6 Moly Alloy Hydraulic Tube Fittings

Grade C Mn Si Cu S P Mo Ni Cr
SMO 254 0.02 1 0.08 0.5-1.0 0.01 0.03 6.0-6.5 17.5-18.5 19.5-20.5

 

Equivalent Table Of 254 SMO 24 Degree Cone Fittings

STANDARD WERKSTOFF NR. UNS SIS BS GOST AFNOR EN
SMO 254 1.4547 S31254 2378 – – Z1 CNDU 20.18.06Az X1CrNiMoCuN20-18-7

 

Alloy 254 SMO Flareless Fittings Mechanical Behaviour

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8 g/cm3 1320-1390 ℃ 650 300 35 %

 

Aluminum Bronze Hydraulic Fittings Mechanical Strength

Properties Metric Imperial
Hardness, Rockwell C 27 27
Tensile strength (M30 and O61 tempers) 690 MPa 100000 psi
Yield strength (M30 and O61 tempers) 380 MPa 55100 psi
Elongation at break (in 50 mm, 1% reduction in area) 1.00% 1.00%
Elastic modulus 117 GPa 17000 ksi
Compressive yield strength (at permanent set of 0.1%) 450 MPa 65300 psi
Compressive yield strength (at permanent set of 1%) 880 MPa 128000 psi
Poisson’s ratio 0.34 0.34
Charpy impact (@ 18.0 - 100°C/ -0.400 - 212°F, keyhole) 3.00 J 2.21 ft-lb
Izod impact (@ 18.0 - 100°C/ -0.400 - 212°F) 3.00 J 2.21 ft-lb
Fatigue strength (@# of cycles 1.00e+8, M30 temper) 460 MPa 66700 psi
Machinability (UNS C36000 (free-cutting brass) = 100) 20 20
Shear modulus 42.3 GPa 6140 ksi

 

Chemical Compatibility Of Aluminum Bronze Ermeto Tube Fittings

Element Content (%)
Copper, Cu 82.7
Aluminium, Al 12.5-13.5
Iron, Fe 3.5-5.0
Manganese, Mn ≤2.0
Other ≤0.5

 

Aluminum Bronze Single Ferrule Fittings Physical Properties Table

Properties Metric Imperial
Density 7.21 g/cc 0.260 lb/in³
Melting point 1047°C 1917°F

 

Grade 2 Titanium Hydraulic Tube Fittings Equivalent Properties

STANDARD WERKSTOFF NR. UNS
Titanium Grade2 3.7035 R50400

 

Mechanical Characteristics Of Titanium Cp Grade 2 Ermeto Tube Fittings

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Titanium Gr. 2 4.5 g/cm3 1665 °C (3030 °F) Psi – 49900 , MPa – 344 Psi – 39900 , MPa – 275 20 %

 

Chemical Composition Of Grade 2 Titanium Single Ferrule Fittings

Grade Ti C Fe H N O Al V
Ti Grade2 99.2 min 0.1 max 0.3 max 0.015 max 0.03 max 0.25 max – –

 

Minimum Yield Strength Chart Of Ti Grade 5 Flareless Fittings

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Titanium Gr. 5 4.43 g/cm3 1632 °C (2970 °F) Psi – 138000 , MPa – 950 Psi – 128000 , MPa – 880 14 %

 

Equivalent Table Of CP Grade 5 Titanium Hydraulic Tube Fittings

STANDARD WERKSTOFF NR. UNS
Titanium Gr. 5 3.7165 N56400

 

Chemical Structure Of Ti Cp Grade 5 Tube Fittings

Grade Ti C Fe H N O Al V
Ti Grade5 90 min – 0.25 max – – 0.2 max 6 min 4 min

 

Chemical Composition Standard Of Alloy 20 Hydraulic Tube Fittings

Grade % Ni Cr Mo Cu Nb C Mn Si P S
Alloy 20 Min. 32 19 2 3 0.1 1
Max. 38 21 3 4 0.3 0.02 2 0.7 0.02 0.005

Mechanical Properties Of 2.4660 Ermeto Tube Fittings

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy 20 8.1 g/cm3 1443 °C (2430 °F) Psi – 80000 , MPa – 551 Psi – 35000 , MPa – 241 30 %

Alloy 20 Single Ferrule Fittings Equivalent

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
Alloy 20 N08020 2.4660 Z2NCUD31-20AZ NiCr20CuMo - - -

 

 

Hydraulic Fittings