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AISI 4820/18CrNiMo7-6/17CrNiMo6/1.6587 Forged Forging Forge Alloy Steel DTH Hammer Drilling Drill Bits Body Bodies Head

100.0 USD
Min. Order: 100 Kilogram
Payment Terms: L/C, T/T
Supply Ability: 1000 tons
Place of Origin: Jiangsu

Company Profile

Location: Wuxi, Jiangsu, China (Mainland)
Business Type: Manufacturer

Product Detail

Model No.: sd
Means of Transport: Ocean, Air
Brand Name: liangyi
material grade of forged Drill Bits Body: 6418
size of forged Drill Bits Body: as per the drawing
origin of forged Drill Bits Body: china
delivery time: 30 days
packing: plywooden case
certificate: API
export to country: american european
Production Capacity: 1000 tons
Packing: plywooden cases
Delivery Date: 60 days
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Product Description

We are professional AISI 4820(18CrNiMo7-6,17CrNiMo6,1.6587) Forged Forging Forge Alloy Steel DTH Hammer Drilling Drill Bits Body Bodies Heads Shank from china

The following table shows the chemical composition of AISI 4820 alloy steel.

ElementContent (%)



Iron, Fe94.645-95.72
Nickel, Ni3.25-3.75
Manganese, Mn0.500-0.700
Molybdenum, Mo0.200-0.300
Carbon, C0.180-0.230
Silicon, Si0.150-0.300
Sulfur, S≤ 0.0400
Phosphorous, P≤ 0.0350

Physical Properties

The physical properties of AISI 4820 alloy steel are outlined in the following table.

PropertiesMetricImperial




Density7.85 g/cm30.284 lb/in³

Mechanical Properties

The mechanical properties of annealed AISI 4820 alloy steel are given in the table below.

PropertiesMetricImperial




Tensile strength685 MPa99400 psi
Yield strength460 MPa66700 psi
Elastic modulus190-210 GPa27557-30458 ksi

Product Flow

1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical properties, tolerance.
3.Confirm payment terms,order materials or check material in stock.
4.Check material chemical compositions, material weight, dimensions.
5.Cut materials record weight, making mould for casting of pr-hearting for forging.
6.Forging ratios, heat treatment ,dimension check.
7.Rough machining, UT test,heat treatment.
8.Semi-finish, quenching,
8.Fine machining, UT test, dimension inspection, mechanical properties test.
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report
Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
Quality certification : ISO 9001: 2008, IQNET

Forged ratio:


no less than 4:1

 

Technical Data:


According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing


Test:


Ultrasonic test according to SEP 1921-84 G3 C/c

 

Certificate of Quality


in addition the normal terms, production process, the mechanical property forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality

 

Marking:


Grade, heat NO. length will be stamped one each bar with required color

 

Payment:


30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight

 




  • Certification:

    ISO 9001:2008, PED Certificate,API, TUVRheinland, Bureau Veritas (BV), Lloyd Register (LR), ABS, RINA, Germanischer Lloyd (GL), Korean Register of Shipping (KR), Det Norske Veritas (DNV), Nippon Kaiji Kyokai (NK);


  •  Forging & Heat Trea

  • Name&Description

    Capacity

    Quantity

    3600Thydraulic press

    Max. single forging in 18T

    1

    2000T hydraulic press

    Max. single forging in 9T

    2

    800 hydraulic press

    Max. single forging in 5T

    1

    6T electrical hydraulic hammer

    Max.single forging in 5T

    1

    3T electrical hydraulic hammer

    Max.single forging in3T

    1

    Air hammer

    Max.single forging from250kg to 1000kg

    7

    Forging operation machine

    Max.singe forging from20T-5T

    7

    Heat treatment Furance

    Max.8000*5000*1500mm

    11

    CNC driling machine

    Max.5000mm

    2

    Vertical lathe

    From 1600 to 5000mm

    60

    Horizontal lathe

    Max.5000mm

    70

    Band sawing machine

    260-1300mm

    36

AISI 4820(18CrNiMo7-6,17CrNiMo6,1.6587) Forged Forging Forge Alloy Steel DTH Hammer Drilling Drill Bits Body Bodies Head

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