Mould Steel Round Bar 1.2379

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Loading Port:
China main port
Payment Terms:
TT OR LC
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



Material:

forged mould steel round bar

 

Diameter:

250mm-800mm

 

Length:

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

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

 

Process:

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

 

MOQ:

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

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

 

Marking:

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

 

Payment:

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

 

Application:

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:Three - grade thread Phi 10 steel can replace a grade Phi 12 round bar? Which elder knows, trouble pointing.
According to the substitution of steel bars, one method, equal strength substitution, equal area substitution and equal root substitution can be obtained by substitution. Three grades of thread Phi 10, steel replaced by a grade Phi 12 of the round steel, I think it may appear: does not meet the minimum reinforcement ratio requirements and reinforcement construction regulations. Don't change it for the best. But must change, must pass the design.
Q:What is the difference between the heat treatment of cold drawn round steel and the heat treatment of wrought round steel?
Solution heat treatment: the alloy is heated to a single phase at high temperature to maintain constant temperature, so that the excess phase is fully dissolved in the solid solution, and then cooled rapidly to obtain the heat treatment process of supersaturated solid solution.
Q:20 round bars are of several grades
20 round bars may be grade two steel.
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:How to make the round welds on flat steel flat and qualified?
If it is full weld, for strong, don't groove. There must be no problem with the welding. If you hit the groove, it will deform. When welding, you should do spot welding and diagonal welding. I think you should be able to understand this, but I don't know what you are using for it,
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:Grade 1 steel is round steel, grade two steel is ribbed thread steel. Are the weight of the two units the same?
Grade two steel is ribbed steel, but the average diameter is calculated. The chemical composition of grade steel and grade two steel is different, but the density of them is the same. Therefore, the unit weight of grade 1 steel and grade two steel is the same.
Q:Difference between round bar and threaded steel in use.
Because steel for low alloy steel, its price is higher than that of low carbon steel, or construction units, design units, often on the general civil construction of the "practical" point of view, reduce the quality of the project, and the use of low carbon steel instead of rebar. For large engineering projects, often bribed "project inspector after" to replace "Choulianghuanzhu rib steel bar, reduce the construction cost.
Q:The difference between round face and round bar steel on concrete?
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:How to determine the welding seam height of steel plate and steel bar?
If the end of the vertical plane and the steel plate welding, welding angle as the bar diameter and the general welding height is 0.7 times the diameter of the arc can be reinforced; if the length direction of the surface of steel plate and steel welding, 2 side fillet weld cracks in the welded steel plate and steel between the full and round steel weldment the maximum diameter of arc phase can be flat.

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