Copper Nickel Hydraulic Tube Fittings

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COPPER HYDRAULIC FITTINGS

 

Specification And Material Grade Of Cupro Nickel Hydraulic Fittings

BRAND  TU-LOK
DESIGN STANDARD DIN 2353/ ISO 8434-1
MATERIAL CUNI 90/10 & CUNI 70/30
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
SURFACE NATURAL FINISH
 
TEMPERATURE  CUPRO NICKEL - (-60*C TO 175*C)
EQUIVALENT BRANDS PARKER, HY-LOK , DK-LOK , STAUFF, HYDAC , VOSS

 

Cupro Nickel Hydraulic Fittings Chemical Composition

Grade Cu Mn Pb Ni Fe Zn
Cupro Nickel 70/30 65 min 1.0 max 0.05 max 29-33 max 0.4-1.0 max 1 max
Cupro Nickel 90/10 88.6 min 1.0 max 0.05 max 9-11 max 1.8 max 1 max

 

CUNI 90/10 Ermeto Tube Fittings Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
0.323 lb/in3 at 68 F 2260 F 50000 psi 20000 psi 30 %
0.323 lb/in3 at 68 F 2260 F 50000 psi 20000 psi 30 %

 

Equivalent Grades for Copper Nickel Flareless Fittings

STANDARD WERKSTOFF NR. UNS
Cupro Nickel 70/30 2.0882 C71500
Cupro Nickel 90/10 2.0872 C70600

 

Hydraulic Fittings