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C40

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C40 properties and heat treatment forged piece, Including C40 application and specifications, We have all specifications,Including C40 steel plate, C40 sheet, C40 square steel, C40 flat bar,C40 round bar,C40 forgings, we can own production and sales.


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We can produce the C40 has the following specifications:

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

Width: 10mm to 2500mm

Lenth: We can supply any lenth based on the customer's requirement.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.

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Chemical composition % of the ladle analysis of grade C40 and Standards

C40   ( 1.0511 )

 

Chemical composition % of the ladle analysis   of grade   C40 (1.0511)
Cr + Mo + Ni = max 0.63
 

    Grade :     C40     Number:     1.0511     Standard: EN 10277 - 2 : 2008   Bright steel products. Technical delivery conditions. steels for general engineering purposes
EN 10083 - 2 : 2006   steels for quenching and tempering. Technical delivery conditions for non alloy steels     Classification:     steels for general engineering purposes

Technological properties of grade   C40 (1.0511) .
    Weldability: ? Due to the medium-high carbon content it can be welded with some precautions.
Hardenability: ?Low hardenability; it shows intermediate features between those of steels with medium and those of steels with high carbon content; therefore it is not easy to obtain the required features by quenching in oil and the quenching in water can result in cracking.

C Si Mn Ni P S Cr Mo 0.37 - 0.44 max   0.4 0.5 - 0.8 max   0.4 max   0.045 max   0.045 max   0.4 max   0.1



Equivalent grades of grade   C40 (1.0511)

USA
-
Germany
DIN,WNr
France
AFNOR
Italy
UNI
Russia
GOST
International
ISO
1040
C40
AF60C40
C40
40
C40




Machining performance

Download C40 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>


Principal Design Features

One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.


Machinability

Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.


Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.


Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.


Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.





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