Specifications
1.St52 hone tubes for hydraulic cylinder
2.High reputation
3.Golden supplier
4.Oem
5.Top quality
St52 hone tubes for hydraulic cylinder
Honed tube for hydraulic cylinder honed tubes for hydraulic & pneumatic cylinders
1. Material specification and ref. Document
St52, bk+s, din2391 or equivalent c20 ck45 s16mn 27simn 25mn st44 st52 sae1026
2. Chemical composition (%)
C (max) mn(max) si(max) s(max) p(max)
0.22 1.6 0.5 0.035 0.035
3. Mechanical properties
Elongation(min) y.S (min.) uts (min.)
¡y15 470 n/mm2 580 n/mm2
4. Supply condition
Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished
5. Surface roughness
Ra = 0.4~0.8micron
6. Tolerances on inner dia iso h8
7.Tolerances on wall thickness
¡¨¹ dia120 +/-10 % of wall thickness
¡y dia120 +/-10 % of wall thickness
8. Straightnes ¡¨¹1 mm/m
9. Od tolerance
¡¨¹ dia 40 +/-0.2 mm
¡y dia 40 ¡¨¹ dia 100 +/-0.3mm
¡y dia 100 +/-0.5mm