needle coke grades and specification

HP Graphite Electrode - China - Manufacturer - Product …

Graphite Electrode is made of high quality calcined petroleum coke,homemade or imported needle coke and modified coal asphalt.The grades are RP,HD(impregnation),HP and UHP.The specifiion is Φ50-700mm. Graphite Electrode is widely used to smelt

Needle coke market under pressure: is there an end in sight

8/6/2020· Needle coke can be produced from petroleum residues (oil-based needle coke), considered a superior raw material for higher quality electrodes, or coal tar pitch (coal-based needle coke). Graphite electrode grades: UHP = ultra-high power, HP = high power, RP = regular power.

Phillips 66 | Specialties

Specialty Coke. Phillips 66 is the only producer and marketer of all grades of green and calcined specialty petroleum coke, serving the steel, lithium-ion battery, aluminum, titanium dioxide and specialty carbon/graphite product industries. Phillips 66 is the leading worldwide producer of premium needle cokes, which are produced at our Huer

Carburisers Mineral - Calcined Anthracite Coal and …

Variegated coal we have includes green pet coke, raw pet coke and calcined pet coke. Our clients can get this product in bulk from us at competitive prices. Petroleum coke is a carbonaceous solid derived from oil refiner/cracking processes. Needle coke, also called acicular coke, is a highly crystalline petroleum coke used in the production of

Bulk calcined pitch Coke -

Calcined coke. A solid carbonaceous product from the Coal Tar Filtration plant is fed into a coker unit at high temperature and pressure. The light products produced in the cracking process in the coker drums are routed back to our refining units. A solid black substance form in the coker drums. The solid black substance (also known as green

Global Needle Pet Coke Market Research Report 2018 …

To analyze and study the global Needle Pet Coke capacity, production, value, consumption, status (2013-2017) and forecast (2018-2025); Focuses on the key Needle Pet Coke manufacturers, to study the capacity, production, value, market share and development plans in future.

GrafTech International Ltd. - Customers

With the help of graphite electrodes, which conduct enough electricity to melt scrap steel, most of it gets turned into new steel. At GrafTech, we help customers find ways to make a time-tested process as advanced and efficient as possible. An essential component for the world''s largest recycling industry.

Electric arc furnace electrodes specifiion data sheet - …

14/12/2020· Graphite electrode of arc furnace is the main conductive material of steelmaking. According to different power of arc furnace, graphite electrode can be classified into RP, HP and UHP grades. China graphite electrode, needle coke mar In April 2021, China exported

China UHP /HP Graphite Electrode for Arc Furnaces - …

Material: Made of high quality petroleum coke, needle coke and coal tar pitch, appreciated by many foreign clients. Specifiion Physical Properties Unit RP Grade (Dia.50-600mm) HP Grade (Dia.200-600mm) UHP Grade (Dia.200-600mm)

ultra high power graphite electrode - RS Group the Best …

14/11/2019· UHP graphite electrode are mostly made of 100% high-specifiion needle coke. Compared with HP and RP grades, UHP electrode requires highest technical expertise in each of the main process steps in making them, particularly High Power Graphite

Bulk calcined pitch Coke -

Calcined coke. A solid carbonaceous product from the Coal Tar Filtration plant is fed into a coker unit at high temperature and pressure. The light products produced in the cracking process in the coker drums are routed back to our refining units. A solid black substance form in the coker drums. The solid black substance (also known as green

Wire | Usha Martin

Needle Wire Usha martin’s wires are the preferred choice in the needle industry all across the globe. Our needle wires are manufactured from High Carbon Steel and are used to manufacture Hosiery Needles, Sewing Needles, Knitting needles, Hooks, Fishing Hooks, Surgical Needles, etc.

Raw Petroleum Coke : Indian Oil

Petroleum coke is a carbonaceous product obtained in the oil refining process. It is abbreviated as Coke or Petcoke, and is a carbon-rich solid material derived from final cracking process — a thermo-based chemical engineering process that splits long chain hydrocarbons of petroleum into shorter chains— that takes place in coker units.

Bulk calcined pitch Coke -

Calcined coke. A solid carbonaceous product from the Coal Tar Filtration plant is fed into a coker unit at high temperature and pressure. The light products produced in the cracking process in the coker drums are routed back to our refining units. A solid black substance form in the coker drums. The solid black substance (also known as green

NEEDLE COKE TECHNOLOGY

Needle coke is a premium grade petroleum coke, which is used in manufacturing of graphite electrodes for arc furnaces in steel industry. A good quality of needle coke is hard and dense mass formed with a structure of carbon threads or

US20050284793A1 - Process for the production of …

A process is disclosed for producing needle coke from heavy atmospheric distillation residues having sulfur no more than 0.7 wt %, which process involves the steps of heating the feedstock to a temperature in the range of 460 to 540 C. for thermal cracking in a

Petroleum Coke - Oxbow

Petroleum coke (petcoke) is a byproduct of the oil refining process. As refineries worldwide seek to operate more efficiently and extract more gasoline and other high value fuels from each barrel of crude oil, a solid carbon material known as petcoke is produced. The

Needle coke market under pressure: is there an end in …

9/5/2019· Needle coke and graphite electrode availability has been under pressure since 2017 following substantial financially- and environmentally-driven capacity closures, particularly in China. As a result, prices for both materials rose sharply and are expected to remain structurally high, at least in the medium term. Following extensive primary research, involving interviews with major needle coke

Production and Appliion of Calcined Coke In Rotary Kilns …

coke or graphite needle-grade coke depending upon its physical and chemical characteristics with needle-grade coke having a higher purity than anode-grade coke which is used in electric furnaces in aluminum and steel smelting. Petroleum and rotary

Graphite and Carbon Source | Asbury Carbons

The Asbury Advantage. The world''s most reliable source for high-quality graphite, cokes, coals, carbon materials and engineered solutions. Don''t just order. Optimize. Elite research, technical and manufacturing teams ready to resource your best solution. This opens in a new window. One source.

Needle coke market under pressure: is there an end in …

9/5/2019· Needle coke and graphite electrode availability has been under pressure since 2017 following substantial financially- and environmentally-driven capacity closures, particularly in China. As a result, prices for both materials rose sharply and are expected to remain structurally high, at least in the medium term. Following extensive primary research, involving interviews with major needle coke

MODELING OF A DELAYED COKER by JOHN E. ALBERS, B.S.Ch.E. A …

2.2 Coke Grades There are three grades of delayed coke. These are needle, anode, and fiiel grade . The coke grade depends primarily on the feed used. However, coke quality and product yields can be affected by coker operation also. Needle grade is the

UHP Graphite Electrode, EAF Graphite Electrode | Hgraphite

UHP graphite electrode are mostly made of 100% high-specifiion needle coke. Compared with HP and RP grades, UHP electrode requires highest technical expertise in each of the main process steps in making them, particularly baking, extrusion and graphitizing.

REFINERY COKE-CONCLUSION POWER, CEMENT …

20/5/1991· Table 3 presents a typical listing of needle coke purchasing specifiions for the three commercially available grades. Historically, the most important specifiion has been the …

C-Chem CO.,Ltd.

Needle coke is used as the raw material for electric steelmaking furnace synthetic graphite electrodes. Graphite electrodes must be able to withstand an extreme operation environment where temperatures far exceed 3,000°C so elongation in the vertical direction and expansion during the electrode manufacturing process must be minimized.

GrafTech International Ltd. - Home

We are Graftech. A global graphite electrode leader delivering highly engineered services, customer-first solutions and essential products – all backed by an exceptional history, 130 years and counting. NYSE: EAF 05/20/21 4:00 PM ET Data provided by Xignite Pricing delayed by 20 minutes. 13.58 USD current 0.1 ( 0.7% ) change 1,474,275 volume.

Wire | Usha Martin

Needle Wire Usha martin’s wires are the preferred choice in the needle industry all across the globe. Our needle wires are manufactured from High Carbon Steel and are used to manufacture Hosiery Needles, Sewing Needles, Knitting needles, Hooks, Fishing Hooks, Surgical Needles, etc.