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{"title":"E255 EN10305-2 WT0.5 High Strength Welded Steel Tube for Precision Cold Drawn","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/4e\/18dbdf97c6c6786c7154f1023a8b-200x200-1\/e255_en10305_2_wt0_5_high_strength_welded_steel_tube_for_precision_cold_drawn_automotive_applications.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBRWT-1","Place of Origin":"Jiangsu, China","Certification":"TS16949, DNV, PED, ISO, TUV, LR"}}
{"title":"E355 Material Cold Drawn Precision Welded Steel Tube DOM Tube EN10305-2 Standard","imgUrl":"https:\/\/img.chinax.com\/nimg\/72\/8a\/3d1712756a6799e7821ce2cf10c6-200x200-1\/e355_material_cold_drawn_precision_welded_steel_tube_dom_tube_en10305_2_standard_steel_pipe.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBWS-001","Certification":"TS16949, ISO9001","Place of Origin":"Jiangsu, China"}}
{"title":"EN10305-2 Standard Automotive Grade Welded Steel Tube with Honed Finish for","imgUrl":"https:\/\/img.chinax.com\/nimg\/19\/12\/46f4e3feba8aa9c7b070b66b7673-200x200-1\/en10305_2_standard_automotive_grade_welded_steel_tube_with_honed_finish_for_precision_applications.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HONGBAO","Certification":"TS16949, ISO9001","Place of Origin":"Jiangsu, China"}}
{"title":"EN10305-2 26MnB5 OD10 Precision Cold Drawn Welded Steel Tube for Hollow","imgUrl":"https:\/\/img.chinax.com\/nimg\/48\/8c\/c8b8b718e0707c470d5f658cdc2e-200x200-1\/en10305_2_26mnb5_od10_precision_cold_drawn_welded_steel_tube_for_hollow_stabilizer_bar.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBWS-001","Certification":"TS16949","Place of Origin":"Jiangsu China"}}
{"title":"EN10305-2 34MnB5 Welded Steel Tube with Cold Drawn Technique and 285\u2013360MPa","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/28\/4d58026fde48fd5c63de67af407d-200x200-1\/en10305_2_34mnb5_welded_steel_tube_with_cold_drawn_technique_and_285_e2_80_93360mpa_yield_strength_for_hollow_stabilizer_bar.jpg","attrs":{"Brand Name":"HONGBAO","Certification":"TS16949, ISO9001, OHSAS18001 etc.","Place of Origin":"China","Minimum Order Quantity":"1 ton"}}
{"title":"E355 EN10305-2 High Strength Cold Drawn Welded Steel Tube Carbon Steel Pipe for","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/48\/b74fcf9d84faf8951bdeb26e5c56-200x200-1\/e355_en10305_2_high_strength_cold_drawn_welded_steel_tube_carbon_steel_pipe_for_camshaft_production.jpg","attrs":{"Brand Name":"HONGBAO","Certification":"TS16949, ISO9001, OHSAS18001 etc.","Place of Origin":"China","Minimum Order Quantity":"1 ton"}}
Cold drawn welded pipe is an excellent choice for multistage hydraulic cylinder tube production. The manufacturing process and precision match that of seamless steel tube cold drawing, utilizing precision resistance welding (ERW) followed by precision drawing to create EN 10305-2 EU mechanical cold drawn steel tube welding standards.
Chemical Composition
Steel Name
Steel Number
C max
Si max
Mn
P max
S max
Al min
E215
1.0212
0.10
0.05
0.70
0.025
0.025
0.025
E235
1.0308
0.17
0.35
1.20
0.025
0.025
-
E355
1.0580
0.22
0.55
1.60
0.025
0.025
-
Product Specifications
Applications: Automotive industry, machine and equipment building
Size Range: O.D.: 6.0-224.0mm, W.T.: 1-15mm, Length: max 12000mm
Delivery State: +C (BK drawn for shine/hard), +N (NBK normalized)
Surface Treatments: Phosphatized, non-phosphatized, electrolytic zinc coated and chromated
Marking: Running marking along whole tube
Additional Testing: Eddy Current Testing, Ultrasonic Testing
Precision Steel Tube Characteristics
Special dimensional accuracy of outer and inner diameters or wall thickness
Smooth surface resulting from drawing technology
Defined mechanical properties
Large dimensional variety
Manufacturing Process
The cold rolled welded tube is produced by drawing ERW (electric resistance welded tube). During this process, the sizing (wall thickness, inside and outside diameter), as well as weld integrity and surface finish is closely controlled to produce tube of the required size and mechanical property characteristics.
Packaging Details
Original packaging according to customer requirements
Export standard package in bundled or as required
Both ends protected with plastic net or wooden boxes according to length and destination
Oiled inside/outside
Marking, oil-coating, varnish, end-protection by plastic caps to be confirmed
Quality Certification
The product is supplied with 3.1.B inspection certificate, according to the standards EN 10204 and ISO 10474.
Payment Terms
30% TT in advance, balance before shipment or B/L at sight.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
