G13Cr4Mo4Ni4V Hot Rolled Bar , Machined Surface Alloy Steel Round Bar

G13Cr4Mo4Ni4V Bearing Steel Bar , Hot Rolled Alloy Bearing Steel Round Bar , Surface machined

Applications:

Used in roller bearings, rolls for metal, blanking dies, punches, forming tools, lathe centres, gauges, cams, bushes marking dies, master hobs, hand taps.

Process: EAF/LD+LF+VD+INGOT+HOT ROLLED/FORGED+Spheroidizing Annealing+UT+CUT

Size Range:

Dia: Cold drawn: 2.5-80 mm, Hot Rolled: 10mm-350mm, Hot forged: 150-800 mm

Length: not more than 12 m

Surface:

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

Ultrasonic test: according to SEP 1921-84

Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

Marking: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted

Benefits of Bearing Steels:

• Cleanliness and freedom from objectionable microscopic slag type inclusions.
• Shallow decarburized surface
• Dimensional accuracy and excellent micro-structure uniformity.

Our Advantages:

• Fast delivery
• Non-standard sizes and made-to-order
• Small min order quantity
• Economical Pricing
• Quality confirming to International Standards
• Material Test Certificates for Quality Assurance
• Technical Qualified After Sales
• Excellent Delivery Conditions.

 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!