hpl
                        Seamless
                        Cold Drawn
                        Carbon Steel
                        Bright, Black Phosphated, Galvanizing
                        Hydraulic/Automobile Pipe
                        Round
                        DIN 2391, En10305-1, En10305-4, BS 6323, ISO 8535
                        Bk, Gbk, Bkw, Bks or Nbk
                        St35, St37, St37.4, E235, E355, St45, St52.4,etc
                        ISO 9001 Ts16949
                        Non-Secondary
                        Automotive Industry, Hydraulic System, Other Indus
                        CW
                        Plywood Box or Budles
                        OD2mm -60mm
                        China
                        7304319000
                        
                        Product Description
                    
                                
En 10305-4 Hydraulic and Pneumatic Pressure Line (HPL) Tube High Precision Seamless Steel Tube for Automotive Industry and Hydraulic Application

| Material Chemical Composition (%) | |||||||||
| Standard | Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | 
| DIN 2391 | ST35 | 1.0308 | <= 0.17 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | 
| ST45 | 1.0408 | <= 0.21 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | |
| ST52 | 1.058 | <= 0.22 | <= 0.55 | <=1.60 | <=0.025 | <=0.025 | - | - | |
| BK | BKW | BKS | GBK | ||||||
| Steel Grade | Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | Rel Yield Strength(Mpa) Min | A Elongation (%) Min | Rm Tensile Strength (Mpa)Min | A Elongation (%)Min | 
| ST35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 
| ST45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 
| ST52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 
| Standard | Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | 
| EN10305-1 EN10305-4  | E235 | 1.0308 | <= 0.17 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | 
| E255 | 1.0408 | <= 0.21 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | |
| E355 | 1.058 | <= 0.22 | <= 0.55 | <=1.60 | <=0.025 | <=0.025 | - | - | 
| Steel Grade | (+C) | (+LC) | (+SR) | (+A) | (+N) | |||||||
| Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | Rel Yield Strength(Mpa) Min | A Elongation (%) Min | Rm Tensile Strength (Mpa)Min | A Elongation (%)Min | Rm Tensile Strength (Mpa) | Rel Yield Strength (Mpa) Min | A Elongation (%) Min | |
| E235 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 | 
| E255 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 | 
| E355 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 | 
| Material Chemical Composition (%) | ||||||||||||
| Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | Tensile strength Rm (Mpa) Min | Yield Strength Reh (Mpa) Min | A Elongation(%) Min | |
| ASTM A822-A450 | A822 | - | Max 0.18 | - | 0.27-0.63 | Max 0.048 | Max 0.058 | - | - | 310 | 170 | 35 | 
| ASTM A179 | A179 | - | 0.06-0.18 | - | 0.27-0.63 | Max 0.035 | Max 0.035 | - | - | 310 | 170 | 35 | 
| SAE J524 | J524 | - | Max 0.18 | - | 0.3-0.6 | Max 0.04 | Max 0.05 | - | - | 325 | 180 | 35 | 






















