Cheap price for 20MnV6 E470 Alloy Steel Honed Tube for Hydraulic Pneumatic Cylinder

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

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

Dimension Tolerance:

Processing Way	Cylinder Barrel ID (mm)	Max Length (mtr)	Straightness (mm/mtr)	ID Tolerance	Wall Thickness Tolerance (mm)	ID Roughness (μm)
Cold Drawn	40-320	12	0.2-0.5	H8-H10	±5%	0.8-1.6
Cold Rolled	12-100	12	0.2-0.5	H8-H10	±5%	0.8-1.2
Cold Drawn+Honed	40-500	8	0.2-0.3	H7-H9	±5%	0.2-0.8
Cold Drawn-SRB	40-400	7	0.2-0.3	H8-H9	± 5%	0.2-0.4
Deepth Drilling-Honed	320-1100	8	0.2-0.3	H7-H9	±8%	0.2-0.8
Deepth Drilling-SRB	320-600	7	0.2-0.3	H8-H9	±8%	0.2-0.4