Precision Steel Tube for Gas Springs

Product Description

High-Precision Steel Tube for Gas Springs, Gas Struts and Shock Absorbers

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 μm)

mechanical properties are controlled to endure excessive stress

hardness, tensile strength, yield strength and elongation

servicing high precision pneumatic cylinder applications

OD（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

OD（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

Precision Steel Tube for Gas Springs

High-Precision Steel Tube for Gas Springs, Gas Struts and Shock Absorbers

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