Procurement Item Materials

Item:Refractory Specification:Fire brics for ladle


Zircon Hi-almina MgO-C Al2O3-MgO-C
Refractoriness(SK) >36 >36
Bulk Density 3.50~3.70 2.50~3.20 2.70~3.20 2.50~3.50
Apparent porosity(%) 16.0~22.0 10.0~25.0 1.5~5.0 3.0~6.0
Crushing strength(kg/cm2) 700~1,300 500~1,200 230~550 500~700
Chemical composition
(%)
SiO2 30~35 8~15
Al2O3 4~6 70~90 ≧50
ZrO2 >60
Fe2O3 <2
MgO 74~82 ≦35
FC 10~30
Packing Palletized
wet No wet
Plant Chita Plant

Item:Aluminum Specification:Recycled aluminum

Chemical composition(%) Al Cu Mg Si Fe Zn Mn
≧97.0 ≦0.5 ≦0.5 ≦1.0 ≦2.0 ≦0.3 ≦0.3
Shape 1g grain, 30g grain 30g grain, 1kg lump
Chita Plant Shibukawa Plant
Packing Granular Flexible container bag
Lump Single bind by 20 pieces,pallet wrapping by the ton.

Item:Aluminum Specification:Aluminum ash

  Chemical composition(%) Shape Packing Plant
MAl Al2O3 SiO2
60% 60~65 20~30 ≦10 below 5mm Flexible container bag Chita Plant
25% 25~32 48~55 ≦10

Item:Lime  Specification:Burnt lime

Burnt lime Chemical composition(%) Size Packing Plant
CaO SiO2 P S Ig.loss
For advamce loading ≧90 ≦1 ≦0.03 ≦0.02 ≦3 15~40mm Bulk Chita Plant
For refining ≧90 ≦1 ≦0.03 ≦0.02 ≦3 5~15mm Bulk
≧94 ≦1 ≦0.02 ≦0.04 10~22mm Flexible container bag Shibukawa Plant
Hot lime Chemical composition(%) Size Packing Plant
CaO SiO2 P S Ig.loss
≧94 ≦1 ≦0.04 ≦0.04 5~40mm Flexible container bag Shibukawa Plant
Flux Chemical composition(%) Size Packing Plant
CaO CaF2 P S
≧80 ≦12 ≦0.03 ≦0.02 0.6~8mm Flexible container bag Chita Plant

Item:Lime Specification:Light burnt dolomite

Chemical composition(%) Packing
CaO MgO P S Ig.loss Chita Plant, Tsukiji Technocenter Shibukawa Plant
≧60 ≧30 ≦0.04 ≦0.04 ≦5 25kg bag 1t flexible container bag

Item:Fluorite Specification:Fluorite


Chemical composition(%) Packing Plant
CaF2 SiO2 P S Pb
80%item ≧80 ≦20 ≦0.05 ≦0.1 Bulk Chita Plant
95%item ≧95 ≦4 ≦0.03 ≦0.05 ≦0.01 1t flexible container bag
80%item ≧80 ≦18 ≦0.01 ≦0.035 ≦0.005 30kg bag, 500kg flexible container bag Shibukawa Plant
96%item ≧96 ≦2.5 ≦0.01 ≦0.035 ≦0.005 25kg bag, 250kg flexible container bag
98%item ≧98 ≦2 ≦0.005 ≦0.01 ≦0.005 25kg bag

Item:Carburizing materials Specification:Carburizing materials


Advance breeze For injection For LF adjustment
Size ≦20mm ≦ 4mm 3~8mm
Chemical composition
(%)
FC ≧83  ≧83  ≧83 
Ash ≦13  ≦13  ≦13 
VM ≦ 4  ≦ 4  ≦ 4 
S ≦ 0.8 ≦ 0.8 ≦ 0.8
Water content(%) ≦10  Disapproval Disapproval
Lot Volume for one truck
Packing Chita Plant Bulk Jet packing vehicle Bulk
Shibukawa Plant Bulk 700kg flexible container bag 10kg or 20kg bag
Others No foreign matter that has harmful fault for use is allowed to be mixed.

Item:Roll Specification:Mill roll

Classification Chemical composition(%) Dimensional tolerance Hardness
C Si Mn Ni Cr Mo Body diameter Body length
Ductile 2.90

3.70
0.80

2.40
0.20

2.00
0.50

3.50
0.10

1.70
0.10

1.00
+4-1 +1-1 35~75
Adamite 0.90

2.50
0.30

1.50
0.50

1.10
0.20

2.50
0.80

1.50
0.20

0.80
30~65
Grain 2.50

3.70
0.50

1.80
0.30

1.20
1.00

4.70
0.60

2.20
0.10

0.70
45~85
Chilled 2.80

3.70
0.10

0.70
0.10

1.20
1.00

4.50
0.20

1.40
0.20

0.60
55~90
Cast steel 0.50

1.40
0.30

0.80
0.60

1.00
<1.00 <1.20 <0.50 55~90
Size Ask for details.

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