Specifications

1.Cylinder tubes suitable for honing,skiving and roller burnishing
2.Grade:cold drawn welded tubes
3.Treatment:+SR

Commodity name: High precision hydraulic cylinder dom tubing from Italian Marcegaglia (China) Plant

 

Dimensions tolerance:

Ident	OD			ID			WT
	Max	Min	Tol	Max	Min	Tol	WT
	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
91	92.34	92.09	0.25	77.23	77	0.23	7.55
110	111.44	111.14	0.3	96.29	96	0.29	7.57
129	130.49	130.14	0.35	115.35	115	0.35	7.57
149	150.59	150.14	0.45	134.4	134	0.4	8.08
169	170.72	170.17	0.55	154.46	154	0.46	8.11
191	192.82	192.17	0.65	175.53	175	0.53	8.62
214	215.99	215.19	0.8	197.59	197	0.59	9.15
214	216.4	215.6	0.8	197.59	197	0.59	9.35
Ident	OD(mm)			ID(mm)			WT (mm)
	Max	Min	Tol	Max	Min	Tol	WT
110	111.47	111.17	0.3	90.27	90	0.27	10.5925
150	151.59	151.14	0.45	134.4	134	0.4	8.5825
172	173.72	173.17	0.55	155.47	155	0.47	9.105
196	197.82	197.17	0.65	178.53	178	0.53	9.615
221	222.99	222.19	0.8	202.61	202	0.61	10.1425
221	223.4	222.6	0.8	202.61	202	0.61	10.3475

 

 Mechanical properties

 

1.Technical Specification: suitable for SK+RB/Honed or telescopic cylinder tube

 

2. Grade:E355

 

3.Tensile strength:>640

 

4.Yield strength:>540

 

5.Elongation:>15%

 

6.Eccentricity:3%

 

7.Straightness:0.5mm/1000mm or as clients request

 

8.Testing:EC+US=SEP1915+SEP1925

 

9.Impact value:-20C=27.5Jas clients request

 

10.Type :Telescopic cylinder tubes

 

11.Supply conditions:+SR

 

12.Surface finishing:OD:Smooth as drawn(EN 10305-2)

                                 ID:roughness Ra<1.6u max

                                     with stock allowance(for honing or skiving and roller burbishing)

13.Tolerance:H12 max

 

14.Dimensions on request, and based on customer drawings

 

15. Shape: Round and Square

 

Delivery conditions:

• Standard packing with plastic caps and strapped bundes.,standard weight approx 1500kg
• Commercial length 5000-8000mm,custom lengths upon request
• Surface protection
• Marking:MM E355 OD× ID EN 10305-2 

Workshop 

 

 

Finished Products 

 

Storage