535A99 / EN 31 Round Alloy Steel Bar Dia 10-320 Mm High Carbon Chromium Alloy

535A99 / EN 31 Bearing Steel Bar , High Carbon Chromium Alloy Bearing Steel Bar

Applications: High Carbon Chromium Alloy Bearing Steel Bar 535A99 / EN 31 used in Bearings, shaft, auto, machinery and equipment, etc.

Equivalent Grades:

Process:

EAF+LF+VOD+ Hot Rolled/forged+Cut+Heat Treatment(optional)+UT+package.

Size Range:

Dia: Cold drawn: 2.5-80 mm, Hot Rolled: 6.5mm-300mm, Hot forged: 150-800 mm.

Length: Not more than 12 m.

Delivery Condition:

Cold drawn, Hot rolled, Hot forged,Heat treatment.

Surface:

Black, Peeled (K12), Turned & Polished (H10, H11), Precision Ground (H9, H8).

Ultrasonic Test:

According to SEP 1921-84

High Carbon Chromium Alloy Bearing Steel Bar 535A99 / EN 31 Features:

1. Cleanliness and freedom from objectionable microscopic slag type inclusions.

2. Shallow decarburized surface.

3. Good surface quality.

4. Excellent micro-structure uniformity.

5. Tight tolerances, resulting in reduced machine time.

6. Wear resistance, long service life.

 We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!