Normal Steel Round Bars For Middle Sizes

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

 

Grade

AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15

Dimensions

Diameter: 30-60mm

Length: 2000-13000mm or as required

Shape

Round Bar

Type

Alloy Steel Bar

Delivery Condition

Black Surface

Material

Bearing Steel

Technique

Hot Rolled

 

Usage and Applications

These steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.

First the famous 1C-1.5Cr steel from which the majority of bearings are made. Its structure is apparently well-understood and the focus is on purity in order to avoid inclusions which initiate fatigue during rolling contact. Then there is the M50 steel and its variants, from which bearings which serve at slightly higher temperatures in aeroengines are manufactured, based on secondary-hardened marten site.

Tapered roller bearing are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling ,During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.

Packaging & Delivery

Packaging Detail: ASTM 52100 Steel in seaworthy packing or on customer request; Packed in bundles with standard export sea-worthy package or as customer require

Delivery Detail: 45 days after confirmed

Trade terms: FOB, CFR, CIF ou as customer's required

MOQ: 25 tons or at customer's demands. If the quantity is good, the price will be better.

 Processing of Bearing Steel Round Bar

The processing of Bearing Steel Round Bar is hot rolled (strictly control sulphur, phosphorus and non-metallic inclusions content and distribution)

Chemical Composition of Bearing Steel Round Bar

C

Si

Mn

Cr

Ni

Cu

Equal or less than

0.95-1.05

0.15-0.35

0.25-0.45

Cr:1.40-1.65

0.30

0.25

All products' chemical composition and specification can be design according to customers' requirement.

Note

1. According to national standard (GB) for our products, if not, supply according to national standards (GB) or agreement.

2. We can not only provide electric furnace +LF+VD and electros lag re-melting (ESR) steel forging materials, but also forging products of piece, bar, etc.

3. Our company is equipped with roll equipment and can provide our customers with roll billets or finished.

4. Please send us your detailed specifications when inquire. We will reply to you ASAP.

5. Certificate of quality is 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.

 

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Q:Cold drawn steel wire is a round bar or thread steel in Construction Engineering?
Cold drawn steel wire belongs to round bar in building engineering, and it is thread steel after coining. But the material of steel is not good. Who knows what material he made?.
Q:What are the scientific names of round bar and screw steel?
Steel: steel is commonly known as hot rolled ribbed bar. Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand.
Q:What's the difference between round steel and screw steel? Which is cheaper than steel on the market these days?
Round steel and thread steel are mainly made of different materials and purposes, so prices are different, and they need to be chosen according to actual needs.
Q:Is round steel bar round steel?
Yes.From the shape of points for the light round steel, crescent steel, rebar.From the strength of reinforcement is divided into one level (235), two (335), three (435), four (435)Cold drawn from the production process (first tensioning and long pull method), cold and so on
Q:The problem of dowel bars on concrete pavements?
The dowel bar is arranged according to the transverse contraction joint and expansion joint set, meaning that a transverse contraction joint and expansion joint place dowels, are not plate must be set. In general, each 200m set a expansion joint, or other road intersection, and bridge connecting point must be set up.
Q:Q235 and mechanical properties of hot rolled steel cold drawn steel have what difference, Q235 hot rolled steel with 12 combined shearing machine has a number of very hard, the damage of the blades, why
First of all, Q235 refers to the yield strength, is a heat treatment method, commonly used in thin steel plate material,
Q:How about tempering No. 45 round bar?
Quenched and tempered steel has two major categories: carbon quenched and tempered steel and alloy quenched and tempered steel. Carbon steel or alloy steel, the control of carbon content is relatively strict. If the carbon content is too high, after quenching and tempering the strength of the workpiece is high, but the toughness is not enough, such as carbon content is too low, toughness and lack of strength. In order to make the quenched and tempered parts get good comprehensive performance, the total carbon content is controlled at 0.30~0.50%.
Q:20 round bars are of several grades
20 round bars may be grade two steel.
Q:The difference between round face and round bar steel on concrete?
Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.
Q:1, three, two, steel, wire rod, round steel what is the difference?
Steel is commonly known as hot rolled ribbed bar, belonging to the small steel steel, mainly used for steel reinforced concrete structure frame. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.

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