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30CrNiMo8 properties and heat treatment forged piece, Including 30CrNiMo8 application and specifications, We have all specifications´╝îIncluding 30CrNiMo8 steel plate, 30CrNiMo8 sheet, 30CrNiMo8 square steel, 30CrNiMo8 flat bar,30CrNiMo8 round bar,30CrNiMo8 forgings, we can own production and sales.

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forged/hot rolling/ extrusion of steel

We can produce the 30CrNiMo8 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: ¤ć6-219 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 30CrNiMo8 and Standards

30CrNiMo8 ( 1.6580 )


Grade :     30CrNiMo8
    Number:     1.6580
    Standard: EN 10083 - 3 : 2006   steels for quenching and tempering. Technical delivery conditions for alloy steels
    Classification:     steel without boron


Chemical composition % of the ladle analysis of grade 30CrNiMo8 (1.6580)


C Si Mn Ni P S Cr Mo
0.26 - 0.34 max   0.4 0.5 - 0.8 1.8 - 2.2 max   0.025 max   0.035 1.8 - 2.2 0.3 - 0.5


Equivalent grades of grade   30CrNiMo8 (1.6580)



Machining performance

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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.


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.


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.


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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