Brightly Round Bar

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Specifications of Bearing Steel Round Bar

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 of Bearing Steel Round Bar

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

       Usage of Bearing Steel                  Usage of Bearing 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 martensite.

       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 of Bearing Steel Round Bar

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 of Bearing Steel Round Bar

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:Why is the round bar bent?
In fact, the stress and deformation complex around reinforced concrete, bond stress varies with grip length of the rebar so bond strength with steel type, shape and position of the embedded in concrete, different direction and change, is also related to concrete strength, concrete compressive strength the higher the strength, the bond strength is generally determined by R=P/3.14dL. P for pullout force, D, rebar diameter, L, steel embedment length.
Q:How many grades of steel are round steel?
Secondly, the round steel only shows the shape of steel, all kinds of steel have round steel, it can not explain the nature and composition of steel.
Q:Why is round steel more expensive than thread steel?
Thread steel is generally used for building convenience. Round steel is widely used in industrial manufacturing and processing. And, as mentioned above, there are many kinds of round steel materials, and there is not much comparability between the prices.
Q:What's the difference between Q345 round steel and No. 45 round steel material?
Q345 round steel is different from round steel No. 45:Q345 round steel containing Mn, but containing C below 45# round bar45# round steel containing C is higher than Q345 round steel, but without Mn
Q:How can stainless steel rounds occur? Is it a quality problem?
By the skin bubbles, surface cracks and so on. Crack and steel surface vertical, about 0.8 ~ 1.5mm, no decarburization on both sides, this is caused by the bubble caused by the subcutaneous bubble. The molten steel contains a large amount of gas. When the liquid steel is solidified, the gas is discharged to form bubbles. The outer layer of the slab near the bubble called the subcutaneous bubbles, honeycomb shaped perpendicular to the surface of the billet, billet after rolling, the bubbles inside most welding. But if the subcutaneous bubbles near the slab surface is too close, while heating because of billet surface oxidation or burning of the bubble exposed, the bubble surface is oxidized, thus it is not possible to make the steel welding, surface cracks.
Q:How many positive and negative tolerances are allowed for round steel GB?
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. Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Among them, 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets
Q:Is HRB335 round steel or rib steel?
HRB335 is the hot rolled ribbed steel, two steel.This is the representation of the mechanical grade and dimension of threaded steel.
Q:The diameter of 20 solid round steel bend into a circle, what machine bending?
Hydraulic steel bar cutting and bending machineThe hydraulic steel bar cutting and bending machine is a dual-purpose machine which uses hydraulic technology to cut and bend steel bars. It has high automation and convenient operation.Structure: hydraulic type steel bar cutting and bending machine mainly consists of hydraulic transmission system, cutting mechanism, stubborn mechanism, engine, airframe and so on.Working principle: an electric motor drives two sets of plunger hydraulic pumps, one group pushes off the piston, and the other drives the rotary hydraulic cylinder to drive the rotary working disc to rotate.Cut off the working principle of mechanism in cutting piston is arranged in the middle column and the center of the valve spring, in turn, due to the action of the spring, the middle hole make the center column left valve hydraulic cylinder, high pressure oil is also from the eccentric shaft road to tank. In the cut, a human powered piston, the center hole center column valve blocked the hydraulic cylinder, the plunger pump to the hydraulic cylinder through high pressure oil into the oil valve, high pressure to push the piston movement, the piston drives the cutter to cut tendons. At this point, the thrust of the pressure spring is greater than the pressure in the hydraulic cylinder, the valve will return to its original position, and the hydraulic oil will flow along the oil channel of the central oil hole back into the tank. The return stroke of the piston is achieved by the rebound force of the plate spring.
Q:Is yuan steel round steel?
3 strength, steel and other steel with high strength low strength, namely, diameter of the same size as compared with other steel, round steel can bear the pulling force than other reinforced small, but the plastic steel reinforced bar is stronger than the other, there is a large deformation in the break before, and it reinforced the deformation the break before the much smaller.
Q:Special steel bar steel products used to do what
But the red hardness difference of this kind of steel, that is, when the working temperature is greater than 250 degrees, the hardness and wear resistance of steel will decline rapidly, and lose their ability to work. In addition, carbon tool steels, such as those made of larger parts, are difficult to harden and easy to produce

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