sojitz双日ジェクト株式会社sojitz双日ジェクト株式会社

Materials and Products

Sojitz JECT is dedicated to supplying a wide variety of carbon-based products derived from coal and oil. There is a correlation between these carbon materials and products and manufacturing and supply, and they support a range of industries as their characteristics have made them indispensable in the manufacturing of steel, non-ferrous metals and automobiles among other things.

Chart of Products

Sojitz JECT is dedicated to supplying the following product groups that are sourced from coal and oil.

Carbon Specialty

The conventional material of carbon is gaining new features and functionality with each passing day thanks to technological innovation. Through our unique carbon business operations, we provide this newfound value in carbon to customers in a range of industries through products manufactured with cutting-edge technology and a variety of services.

Pitch Coke / Needle Coke / Graphite Electrode /
Anode Material

We provide a high quality stable supply of products for electric furnaces in the steelmaking industry and for use in raw materials for lithium batteries.

Coal chemical

Coal tar and crude benzene generated in the coke manufacturing process are indispensable intermediate materials for the steel, aluminum, chemical, and other industries. We meet the needs of our customers by utilizing our network that spans a range of industries.

Coke / Sub-Material /
Carbon Additive

Our products originate mainly in China and are available in a wide variety of specifications for use as raw materials in blast furnaces and electric furnaces in the steelmaking and casting industries as well as various other industries.

Others

Utilizing our network, and manufacturer functions, we are in proud of supply a variety of materials and products derived from coal and oil.

OthersCathodes(Cathodes)

Product Description

  1. Main uses:Primary Aluminum smelting
  2. Producer(s):CIS

Our customers are primary aluminum smelters in the Middle East, Americas, Europe, Australia and New Zealand. We offer a wide range of products from semi-graphitic to fully graphitized grades of bottom and sidewall blocks.

OthersRefractories

Product Description

  1. Main uses:Steel making, etc.
  2. Producer(s):Japan, People’s Republic of China, Republic of Korea

OthersCarbon Blocks

Product Description

  1. Main uses:Blast furnace hearth and hearth bottom
  2. Producer(s):Japan

We export made in Japan refractory products for blast furnaces located in Russia and Ukraine.
We also supply a wide range of other furnace linings and refractories for steelmaking from Japan and abroad.

Typical spec

GradeReal Density(g/c㎡)Bulk Density(g/c㎡)Apparent Porosity(%)Cold Crushing Strength(Mpa)Modulus of Rupture(with Grain)(Mpa)Coefficient of Thermal Expansion 20-900℃(x10-6/K)Thermal Conductivity at 200/800℃Ash(%)
Graphite2.181.641828115.385/550.1
Carbon Block1.951.5617.533123.314.8/17.44.5

OthersSilicon Metal

Product Description

  1. Main uses:Intermediate materials for semiconductor and solar panels
  2. Handled grades:1101/2202/3303/441/553

Coke / Sub-Material / Carbon AdditiveFoundry Coke

Reference size / packaging

  • Size: 80-120mm, 120-220mm, etc.
  • Bulk, 1 ton flexible container bag, etc.

We can meet your requirements for size/packaging

Typical Value

Ash8% Max
VM1.5% Max
S0.6% Max
Total Moisture5.0% Max

Coke / Sub-Material / Carbon AdditiveAnode Butts

Product Description

  1. Main uses:Iron casting and manufacturing (coke alternative for casting)
  2. Producer(s):China

We mainly handle high carbon, low ash anode butts produced in China.

Reference size/packaging

  • Bulk, 1 ton flexible container bag, etc.

We can meet your requirements for size/packaging

Coke / Sub-Material / Carbon AdditiveGraphitized Oil Coke

Product Description

  • High carbon low sulfur product graphitized with raw petroleum coke at high temperature (2,500-3,000℃)
  • Cheaper than graphite powder derived from graphite electrodes so enables reduced costs, annual import of around 2,000mt
  1. Main uses:Carburizer for the steel/casting industry, raw material for carbon products
  2. Producer(s):China, Taiwan

Reference size/packaging

  1. Size:0.5-5mm, 0.3-5mm, 0-1mm, 0.2-1mm, etc.
  2. Packaging:1 ton flexible container bag, paper bags on pallets, etc.

We can meet your requirements for size/packaging

Typical Value

Fixed Carbon98.5% Min
Ash0.8% Max
Volatile matter0.7% Max
Sulfer0.05% Max
Total Moisture1% Max

Reference analysis value (JIS standard)

Ash(%)0.3
VM(%)0.5
F.C(%)99.2
S(%)0.04
N(%)0.004

Coke / Sub-Material / Carbon AdditiveCalcined Oil Coke

Product Description

  • Coke calcinated using raw petroleum coke at around 1,200℃
  • Low sulfur, high carbon product, so mainly used for component adjustment.
  1. Main uses:Carburizer for the steel/casting industry, raw material for carbon products
  2. Producer(s):China, Brazil, etc.

Reference size / packing

  1. Size:1-5mm, etc.
  2. Packaging:1 ton flexible container bags, etc.

We can meet your requirements for size/packaging

Typical Value

Fixed Carbon98% Min
Ash0.8% Max
Volatile matter0.8% Max
Sulfer0.5% Max
Total Moisture1% Max

Reference analysis value (JIS standard)

moisture(%)0.3
Ash(%)0.3
VM(%)0.7
F.C(%)99.0
S(%)0.48
N(%)1.42

Coke / Sub-Material / Carbon AdditiveGreen Oil Coke

Product Description

  1. Main uses:Electrode material, carburizer material, etc.
  2. Producer(s):Liaoning China etc

We handle many low-sulfur products made in China, and have an established reputation among customers in Japan and overseas. We also strive to make further improvements to our service through size management in stockyards and other actions.

Reference size / packing

Bulk, 1 ton flexible container bag

Typical Value

Ash1% Max
VM13% Max
S0.5% Max
Total Moisture8.00% Max
Size0-10mm,10-40mm,10-100mm etc.

Coke / Sub-Material / Carbon AdditiveGreen Anthracite

Product Description

  • High quality coal that produces low levels of smoke when burned due to its high level of carbonization and low volatility. We have a track record of handling high quality coal from the Hồng Gai ward of Hạ Long city in Vietnam
  • We import a set amount annually into Japan for raw material uses, and can provide a stable supply
  1. Main uses:Raw materials for carbon products, steel manufacturing, boiler fuel, etc.
  2. Producer(s):Vietnam, China, Russia, etc.

Typical Value

GradeSize
(mm)
Moisture
(max)%
Ash
(on dry basis)
(max)%
Volatile matter
(on dry basis)
(max)%
Sulphur
(on dry basis)
(max)%
Calorific value
(on dry basis)
(min) Kcal/kg
Fixed carbon
(on dry basis)
(min)%
Size Breakdown
Undersize
(max)%
Size Breakdown
Oversize
(max)%
Hardgrove
indice
(mm)
2B25-1005.5105-70.657350832010
415-3554.01-65-70.658200-7900872032
56-1855-75-70.658100-7900862032
60-1586-86-80.6578008435

Coke / Sub-Material / Carbon AdditiveGraphite Powder

Product Description

  • We can import graphite powder by using the capacious supply lines we have constructed with graphite electrode manufacturers through the sale of needle coke, the raw material for graphite electrodes.
  • High grade artificial graphite powder processed at around 3,000℃. We import around 5,000MT into Japan annually.
  • As well as product derived from graphite electrodes, we can also supply graphite powder derived from special carbon materials
  1. Main uses:Carburizer for the steel/casting industry, raw material for carbon products
  2. Producer(s):China, India, etc.

Reference size / packing

  1. Size:0.5-5mm, 0.3-5mm, 0-1mm, 0-3mm, etc.
  2. Packaging:1 ton flexible container bag, paper bags on pallets, etc.

We can meet your requirements for size/packaging

Typical Value

Fixed Carbon98% Min
Ash1% Max
Volatile matter1% Max
Sulfer0.05% Max
Total Moisture1% Max

Reference analysis value (JIS standard)

Ash(%)0.2
VM(%)0.4
F.C(%)99.4
S(%)<0.01
N(%)0.004
B(%)<0.001
P(%)<0.001

Coke / Sub-Material / Carbon AdditiveGraphite Scrap

Product Description

  • As with artificial graphite powder, we can import graphite scrap, the raw material for graphite electrodes, by using the capacious supply lines we have constructed with graphite electrode manufacturers through the sale of needle coke.
  1. Main uses:Blocks for electric blast furnaces, cathode blocks for aluminum, electrode paste for ferroalloys, and raw material for other such products
  2. Producer(s):China, India, etc.

Reference size / packing

  1. Size:100mm x 100mm x 100mm+
  2. Packaging:1 ton flexible container bags, bulk in containers

We can meet your requirements for size/packaging

Typical Value

Fixed Carbon98% Min
Ash1% Max
Volatile matter1% Max
Sulfer0.05% Max
Real Density2.16g/cm3 min
Bulk Density1.6g/cm3 min
Total Moisture1% Max

Reference analysis value (JIS standard)

Ash %0.2
True specific gravity %2.22
Total Moisture %0

Coke / Sub-Material / Carbon AdditiveSilicon Carbide

Product Description

  • A compound comprised of silicon (Si) and carbon (C), we have built up a reputation for stable supply through transactions over many years
  • Product from quartz sand and anthracite calcined at high temperatures of 2,000℃ or higher
  1. Main uses:Deoxidization, silicification, carburization, reduction, heating materials for steel making/casting
  2. Producer(s):China, Vietnam

Reference size / packing

  1. Size:1-5mm. 5-15mm, 0-3mm, etc.
  2. Packaging:1 ton flexible container bag, paper bags on pallets, etc.

We can meet your requirements for size/packaging

Typical Value

SiC88% Min
CaCO3Add on request
Total Moisture1% Max

Reference analysis value (JIS standard)

Sic %90.2
T.Si %64.5
Free silicic acid %1.95
Free silicon %0.4
N %0.08
S %0.061

Coke / Sub-Material / Carbon AdditiveCalcined Anthracite

Product Description

  • Anthracite calcinated in gas and electric furnaces, annual import of around 3,000 tons into Japan
  • High temperature thermal processing at 1,200-1,500℃ (gas) or 1,800℃ (electric) to create high carbon low volatility products.
  1. Main uses:Carburizer for the steel/casting industry, raw material for carbon products
  2. Producer(s):China, Vietnam, Russia, etc.

Reference size / packing

  1. Size:1-5mm, 3-10mm, 0-3mm, 10-30mm, etc.
  2. Packaging:1 ton flexible container bag, paper bags on pallets, etc.

Typical Value

Fixed Carbon% min909192939495
ASH+VM% max1098765
Sulfur% max0.60.60.60.60.60.6
Total Moisture% max111111

Reference analysis value (JIS standard)

Ash %6.4
Total Moisture %0.2
F.C %92.8
V.M %0.8
S %0.2
P %0.018
Calorific value kcal/kg7700

Coke / Sub-Material / Carbon AdditiveCoke Breeze

Reference Size / Packaging

Bulk, 1 ton flexible container bag

Typical Value

Ash12% Max
VM2% Max
S0.7% Max
Total Moisture10% Max
Size0-10mm etc.

Coal chemicalCoal Tar

Product Description

  1. Main uses:Artificial graphite electrodes, electrodes for aluminum smelting (raw materials for anodes/cathodes), manufacturing of intermediate material for tires, and intermediate materials for pharmaceuticals and agrichemicals
  2. Producer(s):People’s Republic of China, India

Coal chemical95% Crude Naphthalene

Product description

  1. Main uses:Intermediate body for paint, raw material for chemical products, manufacturing of intermediate materials for water-reducing agents, etc.
  2. Producer(s):Japan, etc.
  3. Quality:95%, >80%

Coal chemicalPurified Naphthalene

Product description

  1. Main uses:Raw material for basic chemical products
  2. Producer(s):Taiwan
  3. Quality:>99.0%

Coal chemicalMesophase Carbon Powder

Product description

  1. Main uses:Intermediate material for negative electrodes

Coal chemicalCrude Benzene

Product description

  1. Main uses:Intermediate material for basic chemical products
  2. Reference contents:Benzene: 70%, toluene: 15%, xylene: 5%

Coal chemicalCarbon black feedstock (CBFS)

Product description

  1. Main uses:Manufacturing of intermediate material to add abrasion resistance to automobile tire rubber

Coal chemicalCoal Tar Pitch

Product Description

  1. Main uses:Artificial graphite electrodes, electrodes for aluminum smelting (raw materials for anode/cathode block), coke composites
  2. Producer(s):China etc.

Pitch Coke / Needle Coke / Graphite Electrode / Anode MaterialNeedle Coke

Reference Size / Packaging

Bulk, 1 ton flexible container bag

Pitch Coke / Needle Coke / Graphite Electrode / Anode MaterialGraphite Electrode

Product Description

  • Through sales of the raw material needle coke, we are able to meet requirements for various sizes and grades according to application and location.
  1. Main uses:Steel making, metallic silicon manufacturing
  2. Producer(s):China, India, Eastern Europe, etc.

Pitch Coke / Needle Coke / Graphite Electrode / Anode MaterialAnode Material

Product Description

  1. Main uses:Civilian use, vehicle use, stationary storage batteries
  2. Producer(s):China, etc.

We can provide both artificial graphite and natural graphite negative electrodes. We can meet requirements for a range of quality levels

Pitch Coke / Needle Coke / Graphite Electrode / Anode MaterialPtich Coke

Reference Size / Packaging

Bulk, 1 ton flexible container bag

Carbon SpecialtyArtificial Graphite

Product Overview

  • By leveraging a broad international network, we can provide this product in a variety of grades to meet usage requirements.
  • We can provide a wide range of materials for CIP formed products, molded products, extruded products, vibration molded products, and more.
  1. Main uses:Semiconductors, EDM (electrical discharge machining), machines, continuous casting, solar energy, fiber optics, etc.
  2. Producer(s):Japan, China, India

Performance

  • SiC coating products for the Chinese fiber optic industry
  • SiC coating products for the Chinese semiconductor industry
  • Block products for Russian continuous casting companies
  • Block products for German EDM companies
  • Processed products for the Indian precious metals industry
  • Block products for Thai machinery etc.

We can supply products in forms and with coating that meets your needs.
Please feel free to talk to us.

Spec

Bulk Density1.85g/cm3
Shore Hardness50HSD
Bending Strength49Mpa
Compressive Strength98Mpa
Thermal Conductivity100W/m・K
Ash50p.p.m
Grain Size18μm

Performance

Timber300 x 600 x 1,250 mm
Round materialDia 820 x 750 mm

Carbon SpecialtyCarbon Fiber Insulator

Product Overview

  • In addition to carbon fiber insulator made in the US where we have exclusive sales rights, we can also provide insulator and felt materials made in China.
  • We have inventory bases in the US as well as Japan and Europe, meaning we are able to respond swiftly to orders.
  1. Main uses:Thermal processing, etc.
  2. Producer(s)::USA, China

Performance

  • Thermal processing industry for automotive manufacturing in the USA
  • European thermal processing furnace manufacturers
  • Thai thermal processing furnace manufacturers

We can supply products to meet your needs.

Spec

Bulk Density0.17 g/cm3
Apparent Porosity90%
Specific Resistance670(WG)4,700(AG)μΩm
Flexural Strength1.3(WG)0.3(AG)Mpa
Thermal Conductivity1.8(WG)0.52(AG)W/m・K
Ash500 p.p.m
CTE3.6(WG)4.0(AG)μm

Typical size

Standard size20t x 1,000 x 1,500 mm
40t x 1,000 x 1,500 mm

*The specifications mentioned above are based on typical values and do not constitute any written or implied product warranty.

*As well as plain products, we can also provide foil, C/C and over coverings.

*Please also feel free to speak to us about processing based on drawings.

*We can also meet requirements for a range of sizes.

Carbon SpecialtyC/C Composite

Product Overview

  • We can provide the optimum grade from our broad network encompassing Japan, USA, China, and other countries.
  • We can process products to meet your requirements for size, shape, etc.
  1. Main uses:Thermal processing, PECVD, etc.
  2. Producer(s):Japan, USA, China

Performance

  • Carriers for brazing furnaces in the US
  • PECVD devices for China
  • The Indian thermal processing industry
  • South Korean carbon fiber manufacturers
    etc.

As well as standard grade, we are also able to supply products with increased elasticity.

Spec

Bulk Density1.65g/cm3
Flexural Strength200Mpa
Flexural Modulus45Gpa
Compressive Strength120Mpa
Interlaminar Shear Strength17Mpa