AISI 4820/18CrNiMo7-6/17CrNiMo6/1.6587 Forged Forging Forge Alloy Steel DTH Hammer Drilling Drill Bits Body Bodies Head sd manufacturer from China jiangsu liangyi co.,limited

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

Price:	100.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Jiangsu, China (Mainland)


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Product Detail

Model No.: sd

Production Capacity: 1000 tons

Delivery Date: 60 days

material grade of forged Drill Bits Body: 6418

origin of forged Drill Bits Body: china

packing: plywooden case

export to country: american european

Means of Transport: Ocean,Air

Packing: plywooden cases

Brand Name: liangyi

size of forged Drill Bits Body: as per the drawing

delivery time: 30 days

certificate: API

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

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, Fe	94.645-95.72
Nickel, Ni	3.25-3.75
Manganese, Mn	0.500-0.700
Molybdenum, Mo	0.200-0.300
Carbon, C	0.180-0.230
Silicon, Si	0.150-0.300
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


Density	7.85 g/cm3	0.284 lb/in³

Mechanical Properties

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

PropertiesMetricImperial


Tensile strength	685 MPa	99400 psi
Yield strength	460 MPa	66700 psi
Elastic modulus	190-210 GPa	27557-30458 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.800050001500mm	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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