E470 / 20MnV6 Steel Pipe for Hydraulic Cylinders
Process Method:
Hot Rolled, Cold Drawn, Cold Rolled, Honed, SRB.
Delivery Condition:
Hot Finished(+AR), Normolized(+N), Quenched and tempered(Q+T), etc.
Dimensions and Tolerances:
Outer diameter: 21 to 720 mm, wall thickness: 2 to 200 mm, length: Not more than 12 m.
Related Specifications:
Steel Standard
|
Steel Name
|
Steel Number
|
EN 10294-1 / EN 10297
|
1.0536
|
Chemical Composition (wt %)
Carbon
|
Silicon
|
Manganese
|
Vanadium
|
Phosphorus
|
Sulphur
|
Aluminium
|
Niobium
|
Titanium
|
0.16/0.22
|
0.10/0.50
|
1.30 / 1.70
|
0.08 / 0.15
|
≤ 0.030
|
≤ 0.035
|
≤ 0.010
|
≤ 0.070
|
≤ 0.020
|
20MnV6 Machinability:
Excellent machinability with high cutting speeds or improved tool life
Heat Treatment:
Will through harden with a moderate increase in strength and will also carburise, carbonitride or nitride.
Mechanical Properties - (Minimum at room temperature)
Steel Name
|
Wall Thickness
|
Rp 0.2 (MPa)
|
Rm (MPa)
|
A %
|
20MnV6 / E470
|
≤ 16mm
|
470
|
650
|
17
|
20MnV6 / E470
|
>16mm ≤ 40mm
|
430
|
600
|
17
|
Typical (minimum) mechanical properties – Quenched and tempered
Steel Name
|
WT
|
Yield Strength MPa
|
Tensile Strength MPa
|
Elong %
|
Charpy J
|
Hardness HB
|
20MnV6 / E470
|
≤ 16
|
590
|
700
|
16
|
40
|
205
|
20MnV6 / E470
|
≤ 25
|
540
|
570
|
16
|
40
|
160
|
20MnV6 / E470
|
≤ 50
|
480
|
570
|
16
|
-
|
160
|
20MnV6/E470 Welding:
Excellent weldability hot rolled or cold drawn but avoid when through hardened or surface hardened. Welding details for guidance only
Heat Treatment:
Normalising: Heat to 880°C Cool in still air
Stress Relieving: Heat to 600 – 620°C Cool in still air
Hardening: Heat to 880°C Quench in oil or water
Tempering: Heat to 500 – 600°C (or as required) Cool in still air.
Contact Us:
Shanghai Unite Steel
Phone: 86-15121067826
Skype: samsonhuang22
Email: samsonhuang@shunitesteel.com
Tel: 86-21-35316960 Fax: 86-21-35316961
Add: Room 1109, No. 275-8 Guoding East Road, Shanghai 200433, China
Web: www.shunitesteel.com
ISO 9001: 2008
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