Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | TT OT 100% LC AT SIGHT |
| Supply Ability | 1000Ton/month |
| Delivery Time | 30DAYS |
| Packaging Details | Exporting package/wooden box package |
| OD. Range | 6mm – 114.3mm |
| Wall thickness | 1mm-15mm |
| Length | Max length 12M |
| Standard | EN10305-1 |
| Grade | E235,E255,E355,C45E, E235C,C35E, ST35,ST45,ST37 |
| Type | Seamless PRECISION TUBE |
| Brand Name | Joyruns |
| Model Number | EN10305-1 Mechanical steel Tube |
| Certification | ISO9000 |
| Place of Origin | CHANGZHOU, CHINA |
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Product Specification
| Payment Terms | TT OT 100% LC AT SIGHT | Supply Ability | 1000Ton/month |
| Delivery Time | 30DAYS | Packaging Details | Exporting package/wooden box package |
| OD. Range | 6mm – 114.3mm | Wall thickness | 1mm-15mm |
| Length | Max length 12M | Standard | EN10305-1 |
| Grade | E235,E255,E355,C45E, E235C,C35E, ST35,ST45,ST37 | Type | Seamless PRECISION TUBE |
| Brand Name | Joyruns | Model Number | EN10305-1 Mechanical steel Tube |
| Certification | ISO9000 | Place of Origin | CHANGZHOU, CHINA |
| High Light | E235 Seamless Precision Steel Tube ，EN10305-1 Seamless Precision Steel Tube ，E255 cold drawing seamless pipe | ||
E235+NBK EN10305-1 Cold drawing Seamless Precision Steel Tube for Auto industry
EN10305-1 Seamless Precision steel tubes Used in hydraulic & pneumatic cylinder, automobile and other mechanical devices. Feature: high precision and high brightness, the inner and outer surface of the tubes have high cleanness without oxid, mechanical properties of the final tubes also come out excellent, promising no leakage under high pressure, no deformation after cold-bent and no cracks when flaring and flattening, ensuring the efficient operation in all service.
Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)
Chemical composition(%) of EN 10305-1
| Steel grade | Steel | C(% max) | Si(% max) | Mn(% max) | P(% max) | S(% max) |
| E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.015 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.015 |
| E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.015 |
Mechanical and technological properties of EN 10305-1
| Yield strength (min Mpa) | Tensile strength (min Mpa) | Elongation (min %) |
| 215 | 290-430 | 30 |
| 235 | 340-480 | 25 |
| 355 | 490-630 | 22 |
Condition on delivery of EN 10305-1:
| Term | Symbol | Explanation |
| Cold-finished/hard | BK | No heat treatment after the last cold-forming process. The tubes, therefore, have only low deformability. |
| Cold-finished/soft | BKW | After the last heat treatment, there is a light finishing pass (cold drawing) With proper subsequent processing, the tube can be cold-formed (e.g. bent, expanded) within certain limits. |
| Annealed | GBK | After the final cold-forming process the tubes are annealed in a controlled atmosphere or under vacuum. |
| Normalized | NBK | The tubes are annealed above the upper transformation point in a controlled atmosphere or under a vacuum. |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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