Innovative technology of pre-materials suitable for gas springs
welded and drawn according to ASTM A213
various ID tolerance requirement of H8, H9, H10 and H11
surface roughness below 15RA (0.40 �¼m)
mechanical properties are controlled to endure excessive stress
hardness, tensile strength, yield strength and elongation
servicing high precision pneumatic cylinder applications
ODï¼?mm) ID(mm) WT(mm) ID Tolerances,+0/-0.05) Specifications Materials Surface Finish(max)
15.0 13.0 1.0 CGS-031,H9 A213
SAE1010/#10;
SEA1020/#20
;Q235;
304L;316L
ID < 20 RA <0.4um
18.0 16.0 1.0 A269 OD < 32 RA <0.8um
19.0 17.0 1.0
19.0 16.0 1.5 CGS-021,H10 A213 ID < 20 RA <0.4um
22.0 19.0 1.5 A269 OD < 32 RA <0.8um
27.0 24.0 1.5
28.0 24.0 2.0 CGS-011,H11 ID < 20 RA <0.4um
30.0 25.0 2.5 A213 OD < 32 RA <0.8um
32.0 29.0 1.5 A269
32.0 28.0 2.0
40.0 36.0 2.0
40.0 35.0 2.5
44.0 40.0 2.0
50.0 45.0 2.5