Product Details
Place of Origin: Jiangsu, China
Brand Name: Hongbao
Certification: TS16949,DNV,PED,ISO,TUV,LR
Model Number: HBHST-1
Payment & Shipping Terms
Minimum Order Quantity: 1 ton
Price: Negotiable
Packaging Details: Original packaging according to the customers Export standard package in bundled or as required.
Delivery Time: within 50 days
Supply Ability: 30000MT per year
Brand::  | 
                        Hongbao  | 
                                                                                                                    Certificate::  | 
                        TS16949,DNV,PED,ISO,TUV,LR  | 
                                                                         Material::  | 
                        ST37.4,ST52.4,E235,E355,26MnB5,34MnB5  | 
                                                                                                                    OD::  | 
                        6-120mm  | 
                                                                         
                                                                                            Thickness::  | 
                        0.5-15mm  | 
                                                                                                                    Length::  | 
                        12000mm Max  | 
                                                                         
                                                                                            Shape::  | 
                        Round  | 
                                                                                                                    Type::  | 
                        Welded Or Seamless  | 
                                                                         
                                                                                                                                
              
Brand::  | 
                            Hongbao  | 
                        
Certificate::  | 
                            TS16949,DNV,PED,ISO,TUV,LR  | 
                        
Material::  | 
                            ST37.4,ST52.4,E235,E355,26MnB5,34MnB5  | 
                        
OD::  | 
                            6-120mm  | 
                        
Thickness::  | 
                            0.5-15mm  | 
                        
Length::  | 
                            12000mm Max  | 
                        
Shape::  | 
                            Round  | 
                        
Type::  | 
                            Welded Or Seamless  | 
                        
EN10305 E235 E355 Precision Round Hollow Steel Tube Honed Steel Pipe
Description:
Chemical Composition and Mechanical Performance:
| Table 1- Chemical composition | ||||||
| Steel Grade | C% | Si% | Mn% | P% | S% | AL% | 
| E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 | 
| E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 | |
| E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 | |
| Table 2 - 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.
Application
Fuel injection lines/nozzles for diesel or gasoline engine;
Compressed natured gas CNG tube
Drive transmission: steering column elements