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{"title":"UNS NO7718 Inconel 718 Rod Corrosion Resistant For High Temperature Bolts \/","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/49\/ececdfa13fb51b7c83c9713a33c7-200x200-1\/uns_no7718_inconel_718_rod_corrosion_resistant_for_high_temperature_bolts_2f.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"High Purity Nickel Alloy Bar Ni200 Ni201 Welding Rod N6 N4 Special Metal Hot","imgUrl":"https:\/\/img.chinax.com\/nimg\/14\/28\/1565b75a8660ab2d7575767bac4b-200x200-1\/high_purity_nickel_alloy_bar_ni200_ni201_welding_rod_n6_n4_special_metal_hot_rolled_round_bar.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
{"title":"Inconel Alloy 600 Round Bar UNS N06600 For Industrial Application","imgUrl":"https:\/\/img.chinax.com\/nimg\/0c\/4b\/b76d6b3648355543d269c1a38b9a-200x200-1\/inconel_alloy_600_round_bar_uns_n06600_for_industrial_application.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Special Metals Inconel 718 Bar Stock , Nickel Alloy 718 With Ending Machinabilit","imgUrl":"https:\/\/img.chinax.com\/nimg\/3b\/82\/890fabb7578bdb03fd52988f469b-200x200-1\/special_metals_inconel_718_bar_stock_2c_nickel_alloy_718_with_ending_machinability.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Incoloy 925 Forging Round Bar High Temperature Age Hardening Nickel-Based Alloy","imgUrl":"https:\/\/img.chinax.com\/nimg\/8f\/fe\/ea63f316d1d1e51dd2d2c59d8900-200x200-1\/incoloy_925_forging_round_bar_high_temperature_age_hardening_nickel_based_alloy.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
{"title":"Superalloy UNS N04400 Forged Rods Copper Nickel Round Bar Forging Ingots","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/60\/82d47f8417690faaf815ced15c84-200x200-1\/superalloy_uns_n04400_forged_rods_copper_nickel_round_bar_forging_ingots.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
{"title":"Inconel 690 Bar Alloy Forging Rods High Chromium Nickel Alloy Round Bar","imgUrl":"https:\/\/img.chinax.com\/nimg\/1e\/2e\/83ee0937def157e50651b7f9fc10-200x200-1\/inconel_690_bar_alloy_forging_rods_high_chromium_nickel_alloy_round_bar.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requests","Certification":"ISO 9001\uff1a2015, PED 2014\/68 EU, API 6A, API-20B, TSG, NORSOK","Place of Origin":"China"}}
Nickel Alloy Forging Bar Inconel 718 Bolts Bearings UNS NO7718 Gears Shafts
Nickel Alloy Forged Barvs Hot Rolled vs Cold Rolled Bar: Rolling and forging bar boils down to the same fundamental process of reducing the thickness or changing the cross-sectional area of metal by compressive forces. In other words, a large piece of metal known as a billet is pressed down to the size, shape, and length required for a project. This process not only gives the bar shape, but it also adds properties of strength to the bar.
FORGED BAR his process, like a hot rolled bar, takes a billet and heats it until it is malleable. This is where the processes differ, rather than rolling the bar to get it to size, forging either hammers or presses the bar to the rough dimensions required. The operation gives the bar a 3:1 reduction ratio minimum, which means that the grain sizes are much smaller and tighter in a forged bar, and it consolidates the centers if there are any piping issues. Then, depending on the diameter of the bar, the bar is put through a planishing mill giving it a smooth, rounded surface.
HOT ROLLED BAR This is the process of heating a billet to more than 1000 degrees Fahrenheit, above the recrystallizing phase of metal so that it’s workable, then rolling it through a planishing mill or rollers to give it its shape. Heating the metal is vital because changing the molecular structure of the metal form dendrites (thread-like sporadic structures) to grains (organized block-like structures), which only happens when metal is in a malleable state. The creation of stronger metal is not only due to the formation of the grains, but the directional grain flow achieved when the bar is rolled.
COLD ROLLED BAR This process takes everything we just discussed about Hot Rolled Bar and adds a step. When the bar reaches near-room temperature, it is drawn through dies or rerolled in a progressive rolling process. This additional step inherently adds strain hardening to the bar because it is worked after recrystallization. Strain hardening can only harden the metal so much, the bulk of hardening is achieved during the molecular restructuring provided by hot rolling, depending on the grade.
Inconel 718(UNS NO7718) is a precipitation hardenable Ni-Cr-Fe alloy engineered for extremely high yield strength and tensile strength from cryogenic temperatures up to 1400 °C. Its aging process is slow, allowing inconel 718 to be welded without spontaneous hardening. Unlike nickel alloys hardened with aluminum or titanium, inconel 718 is very weldable, and is well suited for SLM. Like most nickel alloys, inconel 718 has excellent corrosion resistance in its useful temperature range.
Applications:
High temperature bolts and fasteners
Gas turbine components
Aircraft engine components
Cryogenic applications
Material Properties:
High strength and creep resistance
High corrosion resistance
High performance at elevated temperatures
Excellent weldability
Mechanical Properties: .
Properties
YS(Ksi)
TS(Ksi)
EL(%)
HRC
Room Temperature
180
150
12
36
1200℉(<0.025-in)
140
115
-
-
1200℉(>0.025-in )
145
120
5
-
Properties
YS(Ksi x 103)
TS(Ksi(Ksi x 103)
1700'F
18.8
7.1
-
-
1800'F
17.4
6.5
-
-
1900'F
15.9
5.8
-
-
2000'F
14.3
5.1
-
-
Chemical Composition:
Element
Ni
Cr
S
C
Mn
Si
Mo
Cu
Co
Al
Nb
B
P
Minimum(%)
50
17
-
-
-
-
2.8
-
-
0.2
4.75
-
-
Max(%)
55
21
0.015
0.08
0.35
0.35
3.3
0.3
1.0
0.8
5.5
0.006
0.015
Our QC Activities and Test Methods:
Chemical Analysis
ASTM E1473ensile
Test
ASTM E8
Hardness Test
ASTM E 10,E 18
PMl Examination
DINGSCO SOP
Ultrasonic NDT
BS EN 10228
Liquid Penetrant NDT
ASTM E 165
Dimensional and inspection
DINGSCO SOP
Roughness Test
DINGSCO SOP
Impact Test
ASTM E 23
Low Temperature lmpact Test
ASTM E 23
Creep and Stress Rupture Test
ASTM E 139
Hydrogen Induced Cracking Test
NACE TM-0284 *
Inter Granular Corrosion Test
ASTM A 262 *
Sulfide Stress Corrosion Cracking Test
NACE TM-0177 *
Pitting and Crevice Corrosion Test
ASTM G 48 *
Macro Etching Test
ASTM E 340*
Grain Size Test
ASTM E 112 *
* Done by state own third party laboratory
Processing Flow Chart:
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification:
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc...