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Refractory Bricks For Electric Arc Furnace Roofs

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Place of Origin: China - Shandong - Zibo
Reference Price:
NegotiableUnit:Piece
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Product Details

 Details
项 目 \ 牌 号
Burned bricks烧 成 砖
不 烧 砖Unburned Bricks
DL-80
DL-75
DL-65
DL80P
DL85P
BDL-80
BDL-75
BDL65
DL80P-B
Al2O3 %

≥80

≥75

≥65

≥75
≥80

≥80

≥75

≥65

≥70
Fe2O3 %
≤1.7
≤1.7
≤1.7
耐火度 ℃

≥1780

≥1780

≥1770

荷重软化温度KD ℃
≥1530
≥1520

≥1520

≥1530

≥1520

T2≥1470

(1500 ℃×2h)重烧线变化率 %
0.2~-0.4
0.2~-0.4

0.2~-0.4

显气孔率 %
炉顶砖
≤19
≤19

≤19

≤18
≤19
≤18
≤18

≤19

≤19
拱角砖
≤21
≤21
≤20
≤20
常温耐压强度 Mpa
≥75
≥65
≥58.8
≥50
≥80
≥60
≥55
≥30
≥50
热震稳定性,次(1100℃ 水冷)
≥8
用 途炼钢电炉炉盖
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