Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars 42CrMO SCM440

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
90 m.t.
Supply Capability:
2000000 m.t./month

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Product Description:

Description of steel round bar:

1. Commodity: Round steel bar 

3. Technical: Hot rolling 
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm

5. Packing: In Bundle or according to your requirements.


Festures of steel round bar:

1.Dia 80-800mm Length:2000-13000mm or as required 
2.Technique:Forged 
3.Delivery Time:45 days 

 

Specifications of steel round bar:

1. Commodity: Round steel bar 

3. Technical: Hot rolling 
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm

 

Images of steel round bar:

Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars 42CrMO SCM440

FAQ:                                               

1. What is your main market?

We mainly export to Asia such as Japan,Korea,Thailand and North America and Middle East.

2. How long is the lead time?

Delivery time: 45 days after order confirmed.

3. What  payment term do you accept?

Payment: T/T or L/C at sight.

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Q:What is the difference between 40Cr round steel and 40Cr forging parts?
Generally speaking the 40Cr steel is a kind of hot rolled steel (rarely cold). The need for heating the material before hot rolling process is or rolled, usually heated to above the recrystallization temperature, then condensation formed after the bar, of course I say is very simple, there are many steps.
Q:The diameter of 20 solid round steel bend into a circle, what machine bending?
Or a bar bending machine machine, the installation of a 20cm diameter on the rotating die on the line, available 20mm manual welding steel die making.
Q:Why is it better to use round steel than flat steel in lightning protection?
In the construction of lightning protection, both round bar and flat steel have different uses. Flat steel is generally suitable for horizontal connection between vertical grounding poles for lightning protection. Round steel is suitable for lightning protectionThe guiding line and connected with lightning. The roof, all of the junctions are connected by welding requirements do not exist, what striking issues... The technical norms of the state said so, does not have what good and bad problem
Q:Are more bars used in high-rise buildings?
To see what kind of structure, frame structure, screw steel is much more used, such as beam column, main reinforcement, partial stirrups, plate reinforcement. The shear wall structure is used in many round bars, such as vertical wall bars, horizontal bars, steel bars and stirrups. Note that only general structures are concerned.
Q:Cold drawn steel wire is a round bar or thread steel in Construction Engineering?
Cold drawn steel wire should be the same as round steel and thread steel! Their forming process and the meaning of the place used are different, and the quota is also different, cold drawn steel wire is cold drawn steel wire, strictly speaking, there is no mix together.
Q:What kind of nuts do you need for round 20 rounds?
The nut is connected to mechanical equipment parts, through the inside of the thread, the same specifications of nuts and bolts to connect together, such as M4-P0.7 and M4-P0.7 only bolt nut series connection (nut, M4 nut diameter is about 4mm, 0.7 fingers between the two thread distance of 0.7mm); US made products as well, such as screw nut only with the 1/4-20 1/4-20's collocation (1/4 refers to the nut inner diameter is about 0.25 inches, 20 inches each, 20 teeth).Self locking nut, lock nut, locking nut, four claw nut, the nut is screwed into the nut, screw rod nut insurance connecting nut cap nut six self-locking angle of anchor bolt with nut, six special angle crown thin nut eyenut.
Q:The problem of dowel bars on concrete pavements?
Light bar shall be adopted for dowel barWith transverse expansion joint as an example: in the face of layer thickness is 220mm, dowel diameter is 28mm (28), the minimum length of the dowel bar is 400mm, the maximum dowel bar spacing is 300mm.
Q:What's the difference between bearing steel and round steel?
Bearing steel refers to the steel used to make bearings. Round steel is generally referred to as round bar steel. One refers to the material, and the other refers to the profiles. Such as bearings, needle roller raw material is round steel, but also bearing steel.
Q:What is the difference between common wire and high-speed wire?
The universal wire and high speed wire are the wire rods (bars) of the rolling mechanism.High wire: refers to the use of high-speed torsion mill rolling wire rod. The rolling speed of 80-160 M / s, each weight (disc) in 1.8-2.5 tons, tolerance of high precision (up to 0.02mm), in the rolling process by adjusting the process parameters (especially in the cooling line) to ensure the different requirements for the product.
Q:Use of stainless steel round bar?
Stainless steel round bar is a kind of long material, and it is also a kind of bar. The so-called stainless steel round bar refers to the cross section is even round long material, generally about four meters long.

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