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

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

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Product Description:

Description of steel round bar:

Mild Steel Round Bar is used for making security grills, screens, Construction and Machine Manufacture.Stainless steel bar is widely used in Architecture,Machine Manufacture,Power Station,Electric Equipment and Factory,Oil and Chemical Industry,Food and Medical Industry,City Decoration Industry


Festures of steel round bar:

Length: standard 6m,9m,12m, or as customers' requirement

Surface: Black, polished, grinded, ,Bright, Turn smooth(Peeled),Brush,Mill,Pickled

Process:Hot rolled,cold drawn,forged

Packing: In bundle, tied by steel straps, covered with protecting film

Use wooden box, fill with foam to keep the surface from damaging


Specifications of steel round bar:

Description : Steel Bar/Stainless Steel Round Bar/Alloy Steel Round Bar/Carbon Steel Bar

Stainless Steel Bright Bar/Stainless Steel Peeled Bar/Stainless Steel Polishing Bar

Diamater:

1 Hot rolled round bar diameter from 5.5mm to 110mm

2.Hot forged round bar diameter  from 110mm to 400mm

3.Cold drawn round bar diameter from 2.0mm to 60mm

4.Grinding bar diameter from 4.0mm to 40mm

5.Turn smooth diameter from 40mm to 250mm


Images of steel round bar:

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


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.

4.Why do you choose to cooperate with us?

We have over10 years experience in this business so we are able to provide you the high quality products with the best price.

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Q:Three - grade thread Phi 10 steel can replace a grade Phi 12 round bar? Which elder knows, trouble pointing.
The general situation is not possible, but sometimes as stirrup time, and has little effect on the structure, if 12 reinforced with missing a few, but not on the main force position is possible, sometimes supervision is not allowed.
Q:Why is a steel rope made of many wires rather than a round bar of steel?
The multi ply, in order to increase the cross-sectional area increases the tension will not suddenly broken, fine wire bend more easily, so the bending of wick core can be better, with better lubrication of steel wire rope. If it is a steel bar, it is not easy to bend, it is easy to break suddenly, and the practicability is poor.
Q:Why can't the grounding device be replaced by steel bar instead of round steel?
Steel is known as hot rolled ribbed bar. Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into two levels, HRB335 (old No. 20MnSi), three HRB400 (20MnSiV, 20MnSiNb, old No. 20Mnti), four grade HRB500 three grade.
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:Is round steel round steel?
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: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:Difference between round bar and threaded steel in use.
Because the surface has a thread shape, it can increase the firm bond with the concrete. The longitudinal reinforcement and stirrups shall be used preferentially in the concrete members.
Q:Is steel bar round wire? What's the difference? What are the main applications of wire rod?
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:Will the three steel is steel? It is a steel bar?
Thread steel through the material is divided into two grades of steel (HRB335), three grades of steel (HRB400), which is now commonly used name, but also seismic steel (HRB400E) and so on. Grade 1 steel is wire, and the building materials are Q235 and HPB235. Other wire materials are for industrial use.
Q:Can the same grade steel instead of round bar be ok?
Tolerable。1. grades of steel are different (chemical composition is different). Round steel (HPB235) is carbon steel, steel is Q235; thread steel is low alloy steel; HRB335 grade steel is 20MnSi (20 manganese silicon); HRB400 grade steel bars are 20MnSiV or 20MnSiNb or 20MnTi etc.;

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