• 1.6582, DIN 34CrNiMo6, AISI 4337/4340 round bar
  • 1.6582, DIN 34CrNiMo6, AISI 4337/4340 forging
  • 1.6582, DIN 34CrNiMo6, AISI 4337/4340 sheet
  • 1.6582, DIN 34CrNiMo6, AISI 4337/4340 flat bar
  • 1.6582, DIN 34CrNiMo6, AISI 4337/4340 pipe
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1.6582, DIN 34CrNiMo6, AISI 4337/4340

We can produce 1.6582, DIN 34CrNiMo6, AISI 4337/4340 stainless steel round rods, 1.6582, DIN 34CrNiMo6, AISI 4337/4340 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.6582, DIN 34CrNiMo6, AISI 4337/4340 chemical composition and 1.6582, DIN 34CrNiMo6, AISI 4337/4340 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
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: φ6-1800mm, 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.
We serve you with our honesty, integrity, and professionality.

1.6582, DIN 34CrNiMo6, AISI 4337/4340 

Designation by Standards

Brand Name LH No. Mat. No. DIN EN AISI
VCNMO150 748 1.6582 34CrNiMo6 34CrNiMo6 4337/4340

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.34 max.0.40 0.65 1.50 0.23 1.50 - - -

Description
VCNMO150 is a heat treatable, low steel/" target="_blank" class="keylink">alloy steel containing nickel, chromium and molybdenum. It is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength. A very popular, versatile steel. It can be heat-treated to produce a wide range of tensile strength in moderate sections.

Applications
Typical applications are for structural use, such as aircraft landing gear, power transmission gears and shafts and other structural parts, general engineering parts, hrough-hardened gears, connecting rods and bolts, gun barrels. 

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 
Density [g/cm3]: 7.84
Thermal conductivity [W/m.K]: 37.7 
Specific heat capacity[J/g.K]: 0.46

Environmental resistance
Flammability: very good
Fresh water: good
Organic solvent: very good
Oxidation at 500oC: good
Sea water: average
Strong acid: poor
Strong alkalis: poor
Wear: very good
Weak acid: average
Weak alkalis: good
Minimum service temperature: -73.2 to -42.2oC
Maximum service temperature: 613-653oC

Continuous Cooling Transformation (CCT) Diagram.

Time-Temperature Transformation (TTT) Diagram

Normalizing
Normalizing temperature: 850-880oC.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx. 650oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening
Harden from a temperature of 830-860oC followed by oil quenching. Qenching temperature in the end-quench test is 850oC.

Tempering
Tempering temperature: 540-660oC.

Mechanical Properties in Quenched and Tempered Condition

Diameter (mm) 0.2 % proof stress (N/mm2) Tensile strength (N/mm2) Elongation (%) Reduction of area (%) Notch impact energy (ISO-V) (J)
up to 16 980 1180-1380 9 40 41
17-40 885 1080-1280 10 45 48
41-100 785 980-1180 11 50 48
101-160 685 880-1080 12 55 48
161-250 590 780-930 13 55 48

Distance From Quenched End in mm

- 1.5 3 5 7 9 11 13 15 20 25 30 35 40 45 50
H max. 58 58 58 58 57 57 57 57 57 57 57 57 57 57 57
H min. 50 50 50 50 49 48 48 48 48 47 47 47 46 45 44
HH max. 58 58 58 58 57 57 57 57 57 57 57 57 57 57 57
HH min. 53 53 53 53 52 51 51 51 51 50 50 50 50 49 48
HL max. 55 55 55 55 54 54 54 54 54 54 54 54 53 53 53
HL min. 55 55 55 55 54 54 54 54 54 54 54 54 54 53 53

Tempering Diagram

Hardenability Diagram

Forging
Hot forming temperature: 1100-900oC. 

Machinability
Machining is best done with this alloy in the annealed or normalized and tempered condition. It can be machined by all conventional methods.

Corrosion Resistance 
This is a low steel/" target="_blank" class="keylink">alloy steel and not a corrosion resistant alloy. Protective coating should be used.

Welding 
The alloy can be fusion or resistance welded. Preheat and post heat weld procedures should be followed when welding this alloy by established methods.

Cold working 
The VCNMO150 alloy may be cold worked, in the annealed condition, by conventional methods and tooling. It has good ductility.
  

Mechanical properties

1.6582, DIN 34CrNiMo6, AISI 4337/4340 Mechanical properties,Our production completely according to the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 standards to meet the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.6582, DIN 34CrNiMo6, AISI 4337/4340 mechanical properties.

Heat treatment

1.6582, DIN 34CrNiMo6, AISI 4337/4340 Heat treatment,Our production completely according to the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 standards to meet the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.6582, DIN 34CrNiMo6, AISI 4337/4340 Heat treatment.

Machining

1.6582, DIN 34CrNiMo6, AISI 4337/4340 Machining,Our production completely according to the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 standards to meet the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 Machining, can also according to the customer request, to meet the requirements of customers of 1.6582, DIN 34CrNiMo6, AISI 4337/4340 Machining.

Welding performance

1.6582, DIN 34CrNiMo6, AISI 4337/4340 Welding performance,Our production completely according to the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 standards to meet the 1.6582, DIN 34CrNiMo6, AISI 4337/4340 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.6582, DIN 34CrNiMo6, AISI 4337/4340 Welding performance.

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