EN 10305-1 E235 E355 St52 Seamless Carbon Steel Hydraulic Cylinder Honed Tube

EN 10305-1 E235 E355 St52 Seamless Carbon Steel Hydraulic Cylinder Honed Tube

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• PRODUCT DESCRIPTION:

1.     Material: ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B, CK45, CK20, 16Mn, 27SiMn etc

2.     Standard: DIN2391, EN10305, DIN17175 etc

3.     OD: 40-400mm

4.     WT: 5-40mm

5.     Length: Random (5-7m) or Fixed length as per order of confirmation

6.     Polishing: To 0.4Ra Max

7.     Supply Condition: BK(+C), BK+S (+SR)

8.     Technology: Honed & SRB (SKIVED AND ROLLER BURNISHED )

9.     Tolerance: Inner Diameter: ISO H8
Wall Thickness: Diameter >40, ±0.2mm; Diameter 40-100, ±0.3mm; Diameter >100, ±0.5mm

10.   Application: For hydraulic cylinder, swivel crane, injection machine and construction machine application

11.   Technique: Cold Drawn seamless

12.   Test and Inspection: Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test etc

13.  Chemical Composition

• QUALITY CONTROL:

1.     Incoming Raw Material Inspection

2.     Raw Material Segregation to avoid steel grade mix-up

3.     Heating and Hammering End for Cold Drawing

4.     Cold Drawing and Cold Rolling, on line inspection 

5.     Heat Treatment, +A, +SRA, +LC, +N, Q+T

6.     Straightening-Cutting to specified length-Finished Measuring Inspection

7.      Mechanical testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc

8.     Packing and Stocking