ST52 A105 Hardened Steel Sleeve High Precision Metal Bushing Sleeve

Hot Forging ST52 A105 S355 High Precision Steel Cylinder Sleeve

Company profile

We are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentric shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry. etc. 

Product List

Product Fllow

1.Inquiry with drawings in details.

2.Confirm steel material, chemical compositions, mechanical properties, tolerance.

3.Confirm payment terms,order materials or check material in stock.

4.Check material chemical compositions, material weight, dimensions.

5.Cut materials record weight, making mould for casting of pr-hearting for forging.

6.Forging ratios, heat treatment ,dimension check.

7.Rough machining, UT test,heat treatment.

8.Semi-finish, quenching,

8.Fine machining, UT test, dimension inspection, mechanical properties test.

9.Customer inspection, packing, delivery arrangement.

Steel ingot making

EAF+LF+VD/VAD or ESR

Manufacturing process

EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining

Report

Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report

Nondestructive test (NDT)

UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)

Quality certification : ISO 9001: 2008, IQNET

Various of shafts made of alloy steel, carbon steel, stainless steel that mainly used for transmission, mining equipment and so on have good mechanical properties. Drive shaft is composed by axel tube, flexible sleeve and cardan to joint or assemble the fitting parts, makes the items movable or rotation. Its usually made of light alloy steel tube that have good enduring twist.
 

Advantage

• High-precision dimensional tolerance;
• Excellent mechanical properties;
• Produce different dimension based on customer’s requirements;
• Advanced manufacture equipments and inspection devices;
• Excellent technical personality;
• Control the production procedure strictly;
• Pay attention on the package protection;
• Quality full service

Packing and Delivery