Honed Tube of ASME Standard SA372 Grade F Class 70

• Material: Steel
• Structure: Piston Cylinder
• Power: Hydraulic
• Standard: Nonstandard
• Pressure Direction: Double-acting Cylinder
• Double-Acting Cylinder Type: Adjustable Cushioning Cylinder
• Model NO.: such as OD450 X ID350
• Special Cylinder Type: Impact of the Cylinder
• Combination Cylinder Type: Pressurized Cylinder
• Surface Treatment: Anti-Rust Oil
• Machining Way: Honing
• Length: Customized
• Production Lead Time: 60days After Order Confirmed
• Inner Hole Roughness: Ra0.2-0.4
• Inner Tolerance: H8-H9
• Supply Goods Condition: Honed and Machined
• Wall Thickness: Customized
• Cylinder Diameter: 30-500mm
• ASME: SA372
• Transport Package: Stretch Film and Seal Cap
• Specification: Customized
• Trademark: Seamless Honed tubes
• Origin: China
• HS Code: 73043190
• Production Capacity: as Required

Product Description

Specifications of major steel:

 

Inner Dia (mm)	ID Tolerance (mm)					WT Tolerance (mm)
	H7	H8	H9	H10	H11
30	+0.021/0	+0.038/0	+0.052/0	+0.084/0	+0.130/0	±5-10%
>30-50	+0.025/0	+0.039/0	+0.062/0	+0.100/0	+0.160/0
>50-80	+0.030/0	+0.046/0	+0.074/0	+0.120/0	+0.190/0
>80-120	+0.035/0	+0.054/0	+0.087/0	+0.140/0	+0.220/0
>120-180	+0.040/0	+0.063/0	+0.100/0	+0.160/0	+0.250/0
>180-250	+0.046/0	+0.072/0	+0.115/0	+0.185/0	+0.290/0
>250-315	+0.052/0	+0.081/0	+0.130/0	+0.210/0	+0.320/0
>315-400	+0.057/0	+0.089/0	+0.140/0	+0.230/0	+0.360/0

Company Profile

Changzhou Newnuro International Trading Co., Ltd.

Changzhou Newnuro Enterprise Co., Ltd.

Starting trade service from 2002 and manufacturing in 2006, Changzhou Newnuro is a parts supplier for hydraulic cylinder and pneumatic cylinder application. In addition to the 3000 standard parts, we also offer our customers tailor-made articles or assemblies that are for special application. The main products are:

--- Assembly hydraulic cylinder and components

--- Pneumatic cylinder accessories

--- Rod ends ( ball joint ends )

--- Spherical plain bearing ( radial ball joint )

--- Hydraulic fittings and adaptors

--- Control cable and fittings for automobile or agricultural machinery

--- PTO Shaft for Agricultural machinery

---Gear and Gear BOX

---Farm Blade

We were awarded the certification of quality management system ISO 9001: 2000 in Sept. 2006.

With well experienced staff of engineers and international salesmen, Changzhou Newnuro has earned customers from global markets, products are exproted to Aisa, Europe, North America, South America, South Africa...etc.

With strict quality control before shipment during production, we provide products with geat quality and competitive price.

We know what the customer expects. Quality alone is not the only criteria, flexibility and service also turn a supplier into a partner.