H8 Honed Tubes

Precision seamless tube with very tight tolerances, fully prepared for use in hydraulic and pneumatic cylinders

Steels

The steel used in this tube is E-355 according to EN-10305-1.

Most Common uses and Applications

This type of tube is used in hydraulic and pneumatic circuits, the H8 tolerance both in diameter and roughness allow them to be ready-to-use tubes

Stock Dimensions

  • Outside: 35,00 - 250,00 mm.
  • Inside: 45,00 - 324,00 mm.
  • Thickness: 5,00 - 37,00 mm.

Application Standard

  • EN-10305-1

H8 Honed Tubes

Chemical Composition

STEEL GRADES NORM C % max. P % max. S % max. Mn % Si % max.
E-355 EN-10305-1 0,22 0,025 0,025 1,6 0,55

Mechanical Properties

STEEL GRADES NORM Rm min. (N/mm2) Re min. (N/mm2) A min.% Supply Conditions
E-355 EN-10305-1 580 450 10 SR

Supply Tolerances

OUTSIDE DIAMETER According to EN-10305-1 or DIN-2391/94
Ø INSIDE DIAMETER (mm) 30<d≤50 50<d≤80 80<d≤120 120<d≤180 180<d≤250
TOLERANCE H8 (mm) +0 a + 0,039 +0 a + 0,046 +0 a + 0,054 +0 a + 0,063 +0 a + 0,072
RUGOSIRY < 0,4 microns
Substitution Template

REPLACED
CURRENT
NORM QUALITY STEEL >> NORM QUALITY STEEL
DIN-2391/94 ST-52.0 EN-10305-1 E-235
SUPPLY CONDITIONS SUPPLY CONDITIONS
BK + S SR

Dimensions

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