Sign In | Join Free | My frbiz.com |
|
Categories | Precision Steel Tube |
---|---|
Brand Name: | Hongbao |
Model Number: | HBPST-1 |
Certification: | TS16949, DNV, PED, ISO |
Place of Origin: | Jiangsu, China |
MOQ: | 1 ton |
Price: | Negotiable |
Supply Ability: | 30000MT per year |
Delivery Time: | Within 50 days if production |
Packaging Details: | seaworthy plywooden case packing. |
Payment Terms: | L/C, T/T |
Material:: | ST37.4, ST52.4, E235, E355, 26MnB5, 34MnB5 |
Brand:: | Hongbao |
Certificate:: | TS16949, DNV, PED, ISO |
Origin:: | Jiangsu,China |
OD:: | 6-120mm |
Thickness:: | 0.5-15mm |
Type:: | Welded or Seamless |
Processing:: | Cold Drawn, Cold Rolled |
Company Info. |
Jiangsu Hongbao Group Co., Ltd. |
Verified Supplier |
View Contact Details |
Product List |
EN10305-1 E235 E355 +N Cold Drawn Precision Products Seamless Steel Tube
Description:
EN10305-1 standard specifies seamless cold drawn precision steel tubes. These tubes, typically made from E235 or E355 grades with a normalized delivery condition (+N), offer high dimensional accuracy and surface quality. Ideal for precision engineering applications, they undergo cold drawing to achieve tight tolerances. Manufactured with precision, these tubes exhibit excellent mechanical properties, making them suitable for various industrial uses such as hydraulic systems, automotive components, and more.
Mechanical properties at room temperature | |||||||||
Delivery Condition | BK | BKW | GBK | NBK (N) | |||||
Steel Grade | Rm | A % | Rm | A % | Rm | A % | Rm | ReH | A % |
Mpa (Min) | (Min) | Mpa(Min) | (Min) | Mpa(Min) | (Min) | Mpa(Min) | Mpa(Min) | (Min) | |
E215 | 430 | 8 | 380 | 12 | 280 | 30 | 290~430 | 215 | 30 |
E235 | 480 | 6 | 420 | 10 | 315 | 25 | 340~480 | 235 | 25 |
E255 | 580 | 5 | 520 | 8 | 390 | 21 | 440~570 | 255 | 21 |
E355 | 640 | 4 | 580 | 7 | 450 | 22 | 490~630 | 355 | 22 |
Delivery condition of seamless cold drawn mechanical tubing:
BK (+C) Cold finished/hard (cold finished as drawn).
BKW (+LC) Cold finished/soft
BKS (+SR) Cold finished/stress relieve annealed.
GBK (+A) Annealed.
NBK (+N) Normalized.
![]() |