Mould Steel Round Bar 1.2379

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Loading Port:
China main port
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Min Order Qty:
25 m.t.
Supply Capability:
100000 m.t./month

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Item specifice:

Standard: AISI,JIS,GB,BS,DIN,API,EN,ASTM Technique: Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring Shape: U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment: Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated Steel Grade: Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B) Certification: ISO,SGS,CE
Thickness: as required Length: as required Net Weight: as required

Product Description:

Mould Steel Round Bar 1.2379 / SAE 8620 Forging Round Steel Bar
Process: EAF+LF+VD+ Hot Forged+Turned(Optinal)+ Heat treatment (Optinal)  

Chemical composition (%)

Grade CSiMnP ≤S ≤CrMoV
Cr12Mo1V11.40-1.60≤ 0.60≤ 0.600.0300.03011.00-13.000.70-1.200.5-1.10

Production Specification


forged mould steel round bar






2000mm-12000mm Straightness: 3mm/M max;

square bar.150-800mm, blocks sizes up to 800*800mm



EAF + LF + VD +(ESR) + Forged + Heat Treatment (optional)


Delivery condition:

Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)

Delivery Time:

30 days



20 tons


Heat treatment:

Normalized / Annealed / Quenched / tempered

Forged ratio:

no less than 3:1


Technical Data:

According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing; mould steel round bar available for test


Ultrasonic test according to SEP 1921-84 G3 C/c


Certificate of Quality

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



Grade, heat NO. length will be stamped one each bar with required color



30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight



Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

Mould Steel Round Bar 1.2379Mould Steel Round Bar 1.2379Mould Steel Round Bar 1.2379Mould Steel Round Bar 1.2379

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Q:Difference between forging and round steel
The castings need to be uniform in each piece without any porosity, excess space, inclusions, or other defects. The component produced by this method has a high ratio of strength to weight. These elements are usually used in aircraft structures.
Q:What is the difference between strip steel and round steel? Where are they mainly used?
Strip steel is a kind of narrow and long steel plate produced by various rolling mills to meet the needs of industrial production of various metal or mechanical products in different industrial sectors. Strip steel, also known as steel strip, is within 1300mm in width, and the length varies slightly according to the size of each roll. The strip is supplied in general, and has the advantages of high dimensional accuracy, good surface quality, easy processing and material saving. Same as steel plate, strip steel is divided into two kinds of ordinary strip steel and high quality strip steel according to the material used, and two kinds of hot-rolled strip steel and cold rolled strip steel according to processing method.Strip steel is widely used in the production of welded steel pipe, made of cold formed steel billet, manufacturing bicycle frame, rim, clamp, gasket, spring, saw blades, hardware and blades.
Q:Why can't the grounding device be replaced by steel bar instead of round steel?
1, it is the surface problem. The bigger the surface, the easier it is to discharge the point.2, the thread steel belongs to high carbon steel, conductivity is inferior to round steel.
Q:Round bars and ribbed stirrups are much better
Hot rolled ribbed steel bar with high strength, suitable for large component high-rise buildings under gravity loads, but also because of its surface shape can provide grip and end without hook, the corresponding anchorage length is short, the material.
Q:What's the difference between a round tube and a round tube?
Round steel is solid and round tubes are hollow
Q:What kind of steel bars are used in general civil buildings?
Steel is the HRB335, the diameter of 12 to 22, 25, 28, even 32, and then rough generally appear in the mass concrete construction, not commonly used, generally below 25 is commonly used in masonry structure in rural low level below 16 is most commonly used. Used as beams, columns, main bars and stand bars, etc.
Q:Is round steel bar round steel?
NoRound steel bars refer to hot rolled round steel bars for reinforced concrete. Round bars include high-quality carbon structural steel, round steel, ordinary carbon structural steel round bars, steel bars for prestressed concrete, etc.. Although the shape is round, but the material is different, so steel and round bar is two yards.
Q:What are the differences between hot rolled stainless steel rounds and cold drawn round ones?
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:How to make the round welds on flat steel flat and qualified?
On both sides of the steel and welded steel plate, each side of the weld length of 5 times the diameter of reinforcement, welding seam should be welded into a convex arc that is.
Q:20 round bars are of several grades
No. 20 cold drawn steel belongs to high quality low carbon steel, cold extrusion, carburizing hardened steel. The steel has low strength, toughness, plasticity and weldability. The tensile strength is 355-500MPa, elongation is greater than or equal to 24%.

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