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34CrMo4

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34CrMo4 properties and heat treatment forged piece, Including 34CrMo4 application and specifications, We have all specifications,Including 34CrMo4 steel plate, 34CrMo4 sheet, 34CrMo4 square steel, 34CrMo4 flat bar,34CrMo4 round bar,34CrMo4 forgings, we can own production and sales.


Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

forged/hot rolling/ extrusion of steel


We can produce the 34CrMo4 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 34CrMo4 and Standards

34CrMo4   ( 1.7220 )

Grade :     34CrMo4
    Number:     1.7220
    Standard: EN 10083 - 3 : 2006   steels for quenching and tempering. Technical delivery conditions for alloy steels
EN 10132 - 3 : 2000   Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. steels for quenching and tempering
    Classification:     steel without boron

Chemical composition % of the ladle analysis   of grade   34CrMo4 (1.7220)

C Si Mn P S Cr Mo
0.3 - 0.37 max   0.4 0.6 - 0.9 max   0.025 max   0.035 0.9 - 1.2 0.15 - 0.3

Technological properties of grade   34CrMo4 (1.7220) .

    Weldability: ? Low weldability; this steel grade can be welded only with suitable precautions.
Hardenability: ?steel grade with medium carbon content showing a poor hardenability; sensitive to notching and to quenching cracks.

Equivalent grades of grade   34CrMo4 (1.7220)

USA
-
Germany
DIN,WNr
France
AFNOR
England
BS
Italy
UNI
China
GB
Sweden
SS
Finland
SFS
Russia
GOST
International
ISO
4135
34CrMo4
34CD4
708M32
35CrMo4
35CrMo
2234
25CrMo4
35KHM
35KHML
34CrMo4




Machining performance

Download 34CrMo4 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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