Cilindros hidráulicos
Comercializamos todo tipo de tubos de precisión sin costura con diámetros exteriores que van desde los 10mm hasta 370mm y anchos de pared que van desde 1mm hasta 32mm de acuerdo a los estándares de GB, ASTM, DIN, JIS, y EN. Nuestros estándares principales son DIN2391, DIN1629, EN10305-1, ASTM A519, JIS G3445, JIS G4051 ,etc.
Size Range
- Cold Drawn Tube: I.D φ 16-220mm, WT 2-32mm
- Cold Rolled Tube: I.D φ 16-82mm, WT 3.2-32mm
- SRB Tube: I.D φ 50-250mm, WT 3-32mm
Executive Standard
- GB/T3639, Cold-drawn or cold-rolled precision seamless steel
- GB/T1591, High strength low alloy structural steels
- DIN2391, Seamless precision steel tubes
- DIN2393, Welded Precision Steel Tubes
- EN10305-1, Steel tubes for precision applications Part 1: Seamless cold drawn tubes
- EN10305-2, Cold drawn steel tubes for precision applications Part 2: Welded cold drawn tubes
- ASTM A519, Seamless Carbon and Alloy Steel Mechanical Tubing
- ASTM A513, Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
- According to customer’s specific requirements
Steel Grade
- 20#, 45#, 25Mn, Q355B, Q345D ； ST45, ST52 ； E255, E355 ； 1020, 1026, 1045 and etc.
Delivery Condition
- Cold drawn/hard (+C) (BK)
- Cold drawn and stress relieved (+SR) (BKS)