low price of round bar hot rolled

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Product Description:

Specifications

Hot rolled round bar
1)Sizes:10mm-600mm
2)Lengths:4m-9m,other lengths can be customised
3)Standard:GB

Product Description

 

Hot rolled steel bar /alloy steel bar

Specification:

OD

Length

Material

Standard

Technique

16-260mm

6-12m or aques per request

20#

GB ASTM DIN

Hot rolled

16-350mm

45#

200-500mm

45#

Forged

20-250mm

20Cr,40Cr,20-42CrMo

Hot rolled

50-300mm

GCr15

Chemical component:


C

Mn

Si

P

S

Cr

Ni

Cu

0.18-0.24

0.50-0.80

0.17-0.37

0.035

0.035

0.70-1.00

0.030

0.030



Application:


30Cr round steel bar is mostly used in carburized parts(oil quenching), such as: transmission gear, gear shaft, CAM, worm, piston pin, claw clutch, etc.


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Q:Difference between forging and round steel
A forging is a process in which a metal is heated and shaped by plastic deformation or a desired compressive force is applied. This force is typically achieved by using a hammer or pressure. The casting process constructed a fine grain structure and improved the physical properties of the metal. In the practical use of parts, a correct design allows the particles to flow in the direction of the main pressure.
Q:What kind of steel pipe is round steel?
First of all, this is the two concept, round steel solid, hollow steel pipe; secondly, the round bar is divided into hot rolling, forging and cold drawn three. Generally seamless steel pipe can be divided into hot rolling (extrusion), cold rolling (pull), heat expansion of the basic types of steel pipe. Hope to be of help to you
Q:Are steel and round steel the same thing?
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. Where: 5.5-25 mm small round steel mostly straight bundles of supply, used for steel, bolts and various mechanical parts; greater than 25 mm round steel, seamless steel pipe is mainly used for the manufacture of mechanical parts of the tube, etc..
Q:Are more bars used in high-rise buildings?
The State advocates the use of new steel grades and designs responsive to national policies.Xingang are screw steel, screw thread steel with multiRound bars are often used in stirrups
Q:Is there a standard for the grounding of pumping units and the length of the length of the angle steel or round steel?
What to play a few piles, with triangle connection, these seem to have some places have standards, but a place, a kind of, in general, general one is: ground wire pile to hit the moist soil layer, ensure the grounding reliable
Q:What is the mechanical properties of No. 40 round bar?
40# stands for steel grades, round bars for steel profiles, mechanical properties for steels, tensile strength, yield point, (cattle / mm, 2) elongation, shrinkage (%), impact energy, Ak (coke), state, hardness, HB<
Q:4145H round steel is equivalent to the domestic brand?
4145H rounds are used in oil drilling tools and are often replaced by 42CrMo in the industry.
Q:Are lightning checks required for galvanized steel, flat steel and round steel?
No, when purchasing hot galvanized round steel and flat steel, please offer the factory certificate and inspection certificate.
Q:What is the tensile strength of Q235 round steel?
Level 1, surface shape, light circle, strength code R235, grade Q235, carbon content 0.14%-0.22%. Silicon content 0.12%-0.30%. Manganese content 0.30%-0.65%, phosphorus content is equal to less than 0.045%, sulfur content is less than or equal to 0.050%,
Q:Why do I use the M25 round bar for the embedded bolt M24?
Because M25 round steel machine processing, the direct use of M24 round steel accuracy is not guaranteed

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