20MnV6 E470 Alloy Precision H8 Seamless Honed Steel 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

 

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

 

 

 

>>>Standard DIN 2391 Seamless Precision Steel Tubes           EN 10305 Seamless Cold Drawn Tubes           JIS G3445 Carbon Steel Tubes for Machine ASTM A519 Standard Specification for           Seamless Carbon and Alloy Steel           Mechanical Tubing
	>>>Steel Grades E355 1020 1026 ST52 ST45

 

Roughness(Ra) can be 0.08μm or less. Ovality can be 0.01 mm or less.  Hardness can be HV4° or higher.

Hunan Fushun Metal Co., Ltd.

Add:Room 1506, Building 37th, Zhongcheng Lijing Xiangshan, No. 239, 2rd part of Wanjiali Middle Road, Changsha, Hunan, China

Tel: +86-731-89903933

Fax:+86-731-89853933

Sales Manager: Mr Harris Lee

Email:harris@fushunsteeltube.com

Web:

Skype:harrislee94

Whatsapp/Wechat:+86 18692275455