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PR 20-4

Hydraulic tube 20x4 ST37.4 NBK
Product details for

PR 20-4

S
4 mm
Specific load I
590 bar
Specific load III
475 bar
Ø d2
12 mm
AD tolerance +/-
0.08 mm
ID tolerance +/-
0.15 mm
All characteristics

Characteristics

Design
  • metric 
Construction type
  • Precision steel tube, seamless (cold drawn) 
Material
  • steel E235+N (1.0308) 
Standard
  • DIN EN 10305-4 
Surface
  • phosphate treated and oiled 
Tube length
  • 6 m 
Customs tariff number
  • 73043120 
All characteristics

Descrizione del prodotto

Notes
The pressure figures are based on straight tubes.
The appropriate wall thickness needs to be calculated for tubes with bends as stipulated in DIN EN 13480-4.
Further information
Calculation analog DIN 2413
Specific load I: static (up to 120 °C)
Specific load III: dynamic (up to 120°C)
Working stroke= P bar
Strength parameter: K 235 [N/mm²]
Safety coefficient: S 1.5
Fatigue strength: σSch/D 225 [N/mm²]
Tolerances: DIN EN 10305-1 (diameter-/wall thickness indication)

Product variants

111 Results
Show dimensional drawing
Identifier
Ø d1 (mm)
S (mm)
Specific load I (bar)
Specific load III (bar)
Price / Meter

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Ø d1 (mm)
S (mm)
Specific load I (bar)
Specific load III (bar)
Ø d2 (mm)
AD tolerance +/- (mm)
ID tolerance +/- (mm)