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Brand Name : New-Era
Model Number : DIN2391 St52.3+BKS
Certification : ISO9001/TS16949
Place of Origin : China
MOQ : 500kg
Price : Negotiation
Payment Terms : L/C, T/T, Western Union
Supply Ability : 1000 tons per month
Delivery Time : 20-30days
Packaging Details : Anti-rusty oil protected,bundles packing with plastic bags wrapped
Materials : E355 St52.3
Standard : DIN2391 EN10305-1
Heat-treatment : St52.3+C St52.3+BKS E355+C E355+SR
Size range : OD22-300mm
Inner tolerance : H8,H9
EN10305-1 Telescopic Cylinders Gas Cylinder Tube with Cold Processing Production
Standard: EN10305-1 Seamless Cold Drawn/Rolling Steel Tubes
Srandard: DIN2391 St52+BKS St52.3+C
Steel Tubes for precision applications.
Applications: for Gas Cylinder Applications, Oil Cylinders/Telescopic Cylinders
Size Range: O.D.:40-380mm W.T.:1-35mm L:max12000mm
Steel Grade: St52.3 St52 E235, E355,E215 etc
Note: Special steel grade is also available, according to customer request.
aRm: tensile strength; ReH: upper yield strength; A: elongation after fracture
b 1Mpa=1N/mm2
c Depending on the degree of cold work in the finishing pass the yield strength may nearly be as high as the tensile strength.
For calculation purposes the following relations are recommended:
for delivery condition +C: ReH ≥0.8 Rm
for delivery condition +LC: ReH ≥0.7 Rm
Mechanical properties at room temperature | |||||||||||||
Steel Grade | Minimum values for the delivery condition | ||||||||||||
Steel Name | Steel Nubmer | (+Cc) | (+LCc) | (+SR) | (+Ad) | (+N) NBK | |||||||
Rm Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | ||
E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 |
E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
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