Quality: S235JR; S275JR; S355JR; S355J2+N; API GRADE; SAE 1008 and others
SIZE
Structural / Offshore / Ship Building: We can offer from stock in the UAE / Western Europe and from mill rolling the following grades:
Structural Grades:
We can offer from Stocks in Middle East, Western Europe as also from Mill rolling the following:
Grades: 300, 400 series.(304 304L 316 316L 316LN 316TI 321 309 309S 310 310S 347 430 409 409L 201 202 904L S32205 S31803, etc.
Sizes thickness 1.5～18 mm，width 1250～2100mm
Cast Steel Gate / Globe and check valves from Size 1/2 inch to 48 inch In CL. 150, Cl. 300 and CL. 600
HMS 1: No. 1 heavy melting steel. Wrought iron and/or steel scrap 1/4 inch and over in thickness. Individual pieces not over 60 x 24 inches (charging box size) prepared in a manner to insure compact charging.
HMS1: No. 1 heavy melting steel 3 feet x 18 inches. Wrought iron and/or steel scrap 1/4 inch and over in thickness. Individual pieces not over 36 x 18 inches (charging box size) prepared in a manner to insure compact charging.
HMS 2 : No. 2 heavy melting steel. Wrought iron and steel scrap black and galvanized, 1/8 inch and over in thickness, charging box size to include material not suitable as No. 1 heavy melting steel. The material prepared in a manner to ensure compact charging.
| Crude Grade | Crude (B) |
| Appearance | Solid product in molten form, briquettes, flakes |
| Colour | Light-grey to grey |
| Crystallization temperature, °C | 78.0 |
| Naphthalene % | – |
| Sulphur, % | – |
| Ashes, % | Max 0.08 |
| Water, % | Max 0.4 |
| Refined Grade | Refined (B) |
| Appearance | Solid product in molten form, flakes |
| Colour | White; acceptable yellowish or pinkish |
| Crystallization temperature, °C | Min 79.5 |
| Naphthalene % | – |
| Sulphur, % | – |
| Ashes, % | Max 0.01 |
| Water, % | Max 0.1 |
| Pure Grade | Pure (B) |
| Appearance | Solid product in molten form, flakes |
| Colour | White; acceptable yellowish or pinkish |
| Crystallization temperature, °C | Min 80.0 |
| Naphthalene % | Min 99.5 |
| Sulphur, % | – |
| Ashes, % | Max 0.01 |
| Water, % | Max 0.1 |
Urea, a white crystalline solid containing 46% nitrogen, is widely used in the agricultural industry as an animal feed additive and fertilizer.
Urea is used as a nitrogen release fertilizer as it hydrolyses back to 2NH2 and CO2 but its most common impurity (biuret, NH2-CO-NH-CO-NH2) must be present at less than 2% as it impairs plant growth.
It is also used in many multi-component solid fertilizer formulations. Its action of nitrogen release is due to the conditions favoring the reagent side of the equilibriums which produce urea.
| Urea | |
| IUPAC name | Diaminomethanal |
| Other names | Carbamide |
| Identifiers | |
| CAS number | 57-13-6 |
| Smiles | |
| Chemspider ID | 1143 |
| Properties | |
| Molecular Formula | (NH2)2CO |
| Molar mass | 60.07 g/mol |
| Appearance | white odourless solid |
| Density | 1.33·10³ kg/m³ |
| Melting point | 132.7 °C (406 K) decomposes |
| Boiling point | n.a. |
| Solubility in water | 108 g/100 ml (20 °C) 167 g/100 ml (40 °C) 251 g/100 ml (60 °C) 400 g/100 ml (80 °C) 733 g/100 ml (100 °C) |
| Acidity(pKa) | 26.9 |
| Structure | |
| Dipole moment | 4.56 p/D |
| Hazards | |
| MSDS | Sciencelab.com |
| NFPA 704 | 1 2 0 |
| Fe Content Base | 62%, Range 56% to 66% |
| Silica Base | 3.5%, Maximum 8.0% |
| Alumina | Base 2.0%, Maximum 4.0% |
| Phosphorus | Base 0.10%, Maximum 0.15% |
| Sulphur | Base 0.02%, Maximum 0.06% |
| Loss on Ignition (%DW) | Base 4.7%, Maximum 11.0% |
| Moisture | Base 8.0%, Maximum 10.0% |
| Granularity | Base Size >90% < 6.3mm, at least 90% <0.15mm |
| Fe Content | Base 58%, Range 56% to 60% |
| Silica | Base 5.5%, Maximum 9.0% |
| Alumina | Base 3.5%, Maximum 5.0% |
| Phosphorus | Base 0.08%, Maximum 0.15% |
| Sulphur | Base 0.04%, Maximum 0.07% |
| Moisture | Base 8.0%, Maximum 10.0% |
| Granularity | Base Size >90% < 6.3mm, at least 90% <0.15mm |
| Material Origin | Brazil |
| Fe Content | Base 65.0%, Range 63.5% to 66.0% |
| Silica | Base 2.7%, Maximum 3.7% |
| Alumina | Base 1.2%, Maximum 1.6% |
| Phosphorus | Base 0.045%, Maximum 0.060% |
| Sulphur | Base 0.01%, Maximum 0.05% |
| Moisture | Base 9.0%, Maximum 10.0% |
| Granularity | >90%<40%<0.15mm |
| Material Origin | Australia |
| Fe Content | Base 63%, Range 61% to 65% |
| Silica | Base 3.5%, Maximum 5.0% |
| Alumina | Base 1.5%, Maximum 2.0% |
| Phosphorus | Base 0.08%, Maximum 0.10% |
| Sulphur | Base 0.02%, Maximum 0.04% |
| Loss on Ignition (%DW) | Base 5.0% |
| Moisture | Base 4.0%, Maximum 6.5% |
| Granularity | Max 13.5%31.5mm |
| Fe Content | Base 65%, Range 60% to 70% |
| Silica | Base: 4.5%, Maximum: 6.0% |
| Alumina | Base: 0.4%, Maximum: 0.8% |
| Phosphorus | Base: 0.03%, Maximum: 0.05% |
| Sulphur | Base 0.01%, Maximum 0.02% |
| Moisture | Base 2.0%/DW, Max 3.0%/DW |
| Granularity | Maximum Size >90% >10.0mm |
| Compression Strength | Base 250daN, min 200daN |
| Fe Content | Base 66%, Range 63% to 70% |
| Silica | Base: 4.5%, Maximum: 9.0% |
| Alumina | Base: 0.5%, Maximum: 2.0% |
| Phosphorus | Base: 0.02%, Maximum: 0.06% |
| Sulphur | Base 0.03%, Maximum 0.10% |
| Titanium | Base 0.05%, Maximum 0.30% |
| Moisture | Base 8.0%/DW, Max 11.0%/DW |
| Granularity | Maximum Size >80% <0.05mm |
| Carbon | 4,50% max |
| Silicon | 4,50% max |
| Manganese | 1,5 % max |
| Phosphorous | 0,12% max |
| Sulfur | 0,05% max |
| Weight ratio, % | |||||||||||||
| Mn | P, Max | S, Max | |||||||||||
| Group | Class | Category | |||||||||||
| 1 | 2 | 3 | 4 | A | 6 | B | 1 | 2 | 3 | 4 | 5 | ||
| P1 | 0,5-0,9 | max 0,5 | 0,5-1,0 | 1,0 - 1,5 | - | 0,1 | 0,2 | 0,3 | 0,01 | 0,02 | 0,03 | 0,04 | 0,05 |
| PL1 | Max 0,5 | max 0,5 | 0,5-1,0 | 1,0 - 1,5 | - | 0,1 | 0,2 | 0,3 | 0,01 | 0,02 | 0,03 | 0,04 | 0,05 |
| PL2 | 0,5-0,9 | max 0,3 | 0,3 - 0,5 | 0,5 - 0,9 | 0,9 - 1,5 | 0,08 | 0,12 | 0,3 | 0,01 | 0,02 | 0,03 | 0,04 | 0,05 |
| P2 | Max 0,5 | max 0,3 | 0,3 - 0,5 | 0,5 - 0,9 | 0,9 - 1,5 | 0,08 | 0,12 | 0,3 | 0,01 | 0,02 | 0,03 | 0,04 | 0,05 |
Silicon ferroalloy consumption is driven by cast iron and steel production, where silicon alloys are used as deoxidizers. Some silicon metal was also used as an alloying agent with iron.
Two manganese ferroalloys, ferromanganese and silicomanganese, are key ingredients for steelmaking.
| Parameters | Values (guaranteed) | Values average |
| Ash content % dry basis | 9.0 max | 8.5 |
| Volatile matter % dry basis | 27.5 max | 27.3 |
| Moisture % ( as received) | 9.0 max | 8.8 |
| Sulphur content % dry basis | 0.9 max | 0.79 |
| Phosphorus% dry basis | 0.01 max | 0.005 |
| INDICATIVE PROPERTIES | |
| Gray King Coke type (GK) | G6- G8 |
| Free swelling Index (FSI) | 6 1/2 - 7 ½ |
| Maximum dilatation, B | Min 50% |
| Standard grade anthracite | High grade anthracite | Ultra high grade anthracite | |
| Moisture (as received) | 15% | 15% | 9% |
| Ash (dry basis) | 12% max | 11% max | 10% max |
| Volatile Matter (dry basis) | 10% | 10% | 5% |
| Total Sulfur (dry basis) | 1% | 1% | 0.5% |
| Fixed carbon (dry basis) | 73% min | 80% min | 82% min |
0-13mm, 6-13mm, 13-25mm, 25-50/70mm, 25-100mm
| RB1 | RB2 | RB3 | |
| Calorific Value Basis (kcal/kg NCV) | 6,000 | 6,000 | 5,500 |
| Calorific Value Min (kcal/kg NCV) | 5,850 | 5,700 | 5,300 |
| Total Moisture (ARB) | 12.0% max | 13.0% max | 14.0% max |
| Volatile Matter (ARB) | 22.0% min | 21.0% min | 20.0% min |
| Ash (ARB) | 15.0% max | 17.0% max | 23.0% max |
| Sulphur (ARB) | 1.0% max | 1.0% max | 1.0% max |
| Hardgrove Grindability Index (HGI) | 45 – 70 | 45 – 70 | 45 – 70 |
| Nominal Topsize | 50 mm | 50 mm | 50 mm |
| IDT | Min 1,250 °C in a reducing atmosphere | Min 1,250 °C in a reducing atmosphere | Min 1,150 °C in a reducing atmosphere |
| Calcium Oxide in Ash (DB) | 12.0% max | 12.0% max |
| Parameters | Value |
| Total moisture (As received Basis) | 1.0% |
| Ash Content (DryBasis) | 6.0% |
| Volatile Matter (Dry Basis) | 2.0% |
| Fixed Carbon (Dry Basis) | 85% |
| Total Sulphur (Dry Basis) | 1.0% |
1-3mm, 2-6mm
|
S. No. |
Factor |
Range of Pet-Coke |
|
1 |
Sulphur |
6% |
|
2 |
Carbon |
75 - 88% |
|
3 |
Hydrogen |
3.0 - 3.6% |
|
4 |
Nitrogen |
0.8 - 1.9% |
|
5 |
Vanadium (ppmw) |
5000 - 2000 |
|
6 |
Nickel (ppmw) |
150 - 450 |
|
7 |
VCM |
8 - 12% |
|
8 |
Ash Contents |
0 - 0.6% |
|
9 |
Moisture |
5 - 15% |
|
10 |
Hard Grove Index (HGI) |
30 - 40 |
|
11 |
Size (max) |
100 mm |
|
12 |
Calorific Value |
7500 - 8500 Kcal/kg |
|
Factor |
Spec 1 |
Spec 2 |
|
SULPHUR CONTENT (%) |
7-8% |
4.5-6%Max. |
|
VOLATILE MATTER (%)
|
8-12 |
8-12 |
|
SPECIFIC GRAVITY:
|
1.8-2.1@ 25 DEG. |
1.8-2.1@ 25 DEG. |
|
CALORIFIC VALUE: |
14,000 BTU/LB |
14,000 BTU/LB |
|
HYDROGEN (%) |
4-5 |
4-5 |
|
ASH CONTENT (%)
|
1% |
1% |
|
FIXED CARBON (%) |
85-88 |
86-89 |
|
HARDGROVE INDEX |
40-70 |
40-70 |
|
MAX PARTICLE SIZE: |
50 MM |
50 MM |
| Type I | Type II | Type III | |||
| Parameters | Guarantee (%) | Rejection (%) | Guarantee (%) | Rejection (%) | Guarantee (%) |
| Total moisture (As received Basis) | 5% Max | n/a | 5% Max | n/a | n/a |
| Ash (Dry Basis) | 12.5% Max | Exceeding 13.5% | 11% Max | Exceeding 12.5% | 12.5% Max |
| Volatile Matter (Dry Basis) | 1.2% Max | Exceeding 1.4% | 1.2% Max | Exceeding 1.4% | 1.5% Max |
| Total Sulphur (Dry Basis) | 0.65% Max | Exceeding 0.75% | 0.65% Max | Exceeding 0.75% | 0.65% Max |
| Phosphorus (Dry Basis) | 0.035% Max | Exceeding 0.045% | 0.035% Max | Exceeding 0.045% | n/a |
| CSR | 64% Min | Below 62% | 66% Min | Below 64% | 64% Min |
| CRI | 27% Max | Exceeding 29% | 26% Max | Exceeding 28% | 26% Max |
| M40 | 84% Min | Below 82% | 86% Min | Below 84% | 84% Min |
| M10 | 8% Max | Exceeding 10% | 7% Max | Exceeding 9% | 8% Max |
| Size 30-90mm | 90% Min | 90%min | |||
| Undersize -30mm | 5% Max | Exceeding 8% | 5% Max | Exceeding 8% | |
| Oversize +90mm | 5% Max | Exceeding 8% | 5% Max | Exceeding 8% | |
| Parameters | Guarantee | Rejection |
| Total moisture (As received Basis) | 10% Max | n/a |
| Ash (DryBasis) | 13% Max | Above 14% |
| Volatile Matter (Dry Basis) | 2.0% Max | |
| Total Sulphur | 0.70% Max | Above 0.9% |
| Phosphorus | 0.035% Max | Exceeding 0.045% |
| Fixed Carbon | 85% Min | |
| CRI | 26% Min and 32% Max | |
| Size 5-20mm | 90% Min |
| Values | |
| Ash content, % max | 16 |
| Sulphur content, % max | 1 |
| Mass fraction of total moisture,% max | 20 |
| Lumps size, mm | 0/10 |
| Mass fraction of lumps sized over 10 mm,% max | 8 |