Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A681, DIN 1.2379, SAE J437, J438

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Tianjin
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TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
500000 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,BV,IBR,RoHS,CE,API,BSI,UL
Thickness: 13-300mm Length: 6-12m Net Weight: 2mt

Product Description:

Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6

 

Product Description of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6

1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225

2. Length: 6M-12M
3. Diameter: 16mm-300mm

4. Product range: round bar, flat bar, square bar

5. Technique: Hot rolled, forged, cold drawn

 

Specification of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6

Material

       SCM4140

Round bar

Dia(mm)

16-300mm

Process

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

Length (mm)   

Max 12m

Heat treatment

Normalized / Annealed / Quenched / tempered

Flat bar

Thickness(mm) 

8-500mm

Delivery condition

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

Width(mm)

70-200mm

Test

Ultrasonic test according to SEP 1921-84 D/d

Length (mm)   

Max 12m

 

Chemical Composition of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6

C

Si

Mn

Cr

  Mo

 P

S

0.38~0.43

0.15~0.35

0.75~1.00

0.8~1.1

0.15~0.25

≤0.035

<0.04< td="">

 

Photo Show of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6

Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A681, DIN 1.2379, SAE J437, J438

Packing and Delivery:

Packing in bundle package, or as customer's requirements.

Delivery Detail: 45 days after receiving the deposit.

 

Usage and Applications of Hot Forged Tool Steel Round Bar D-2, 42crmo4, ASTM A6

1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.

2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.

3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.


Company Information

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

Astm 615 Bs4449 B500B Deformed Steel RebarsAstm 615 Bs4449 B500B Deformed Steel Rebars 

 

F A Q

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2, Test & Certificate?

      SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3,  Factory or Trading Company?

      CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

    30% TT as deposit and 70% before delivery.

    Irrevocable L/C at sight.

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Q:Can steel bars be replaced by large screws in the concrete floor?
In theory, how big a round steel will have to replace the large thread steel, and if it is cast, then still better to use thread steel, screw steel tensile resistance than round steel by strong
Q:What are the main differences between wrought round steel, hot rolled round steel and cold drawn round steel? Where are they used separately?
Cold drawn round steel (don't know, you mean can not cold dial round bar). But I understand by the cold dial round bar Also mainly used in hardware parts processing and production. Such as hinge shaft core or other surface and diameter requirements of production and processing occasions.
Q:What are the scientific names of round bar and screw steel?
Round steel: round steel refers to the cross section of round solid steel. Mainly used in manufacturing machine, stainless steel round bar, mechanical parts, seamless steel pipe blank
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: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:Q235 and mechanical properties of hot rolled steel cold drawn steel have what difference, Q235 hot rolled steel with 12 combined shearing machine has a number of very hard, the damage of the blades, why
The difference between hot rolled steel and cold rolled steelHot rolled steel contains slightly higher carbon content than cold rolled steel. The density is the same in cases where the composition is not constant. But if the composition is different, such as stainless steel, whether cold-rolled or hot rolled steel, the density is about 7.9g/cm3. Specific depends on the ingredients, hot-rolled steel plate is only better ductility, steel is also under pressure.Hot-rolled steel is divided into structural steel, low carbon steel, welding bottle steel, and then according to various kinds of steel to find the steel that you need, check the density and composition of the specific steel.Hot rolled steel is low in hardness, easy to process and good in ductility.
Q:What is the difference between common wire and high-speed wire?
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. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. Round bars larger than 25 millimeters are used mainly for making mechanical parts or for seamless steel tubes.
Q:Do you need paint for roof lightning proof steel bars?
The roof of the round steel as long as the welded joints painted anti rust paint is good, should not be painted a large area. When the flash device is made of steel material, hot-dip galvanized steel shall be used and corrosion resistant by zinc plating.
Q:The difference between round face and round bar steel on concrete?
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. Of which: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts, and more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets.
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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