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    129 Products
    About Composites
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    Compare our offering of composites to find the right material for you.

    Nonporous Ceramic Alumina Tubes

    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Tubes.
    Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
    Temp.
    6" Lg.
    12" Lg.
    24" Lg.
    OD
    ID
    Wall
    Thk.
    Color
    Min.
    Max.,
    ° F
    Fabrication
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Hardness
    Each
    Each
    Each
    0.050"0.020"0.015"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K5860000008746K4310000008746K432000000
    0.063"0.031"0.016"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K587000008746K451000008746K45200000
    0.094"0.040"0.027"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K553000008746K584000008746K58500000
    0.094"0.063"0.016"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K554000008746K461000008746K46200000
    0.100"0.050"0.025"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K555000008746K578000008746K58100000
    1/8"0.063"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K556000008746K11000008746K31200000
    0.156"0.094"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K557000008746K12000008746K32200000
    0.187"0.094"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K558000008746K13000008746K33200000
    0.187"1/8"0.032"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K559000008746K14000008746K34200000
    0.219"0.156"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K56000008746K471000008746K47200000
    1/4"1/8"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K561000008746K15000008746K35200000
    1/4"0.156"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K562000008746K16000008746K36200000
    1/4"0.188"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K563000008746K17000008746K37200000
    0.313"0.188"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K564000008746K579000008746K58200000
    0.313"0.219"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K565000008746K481000008746K48200000
    3/8"1/4"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K566000008746K18000008746K38200000
    0.438"0.313"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K567000008746K491000008746K49200000
    1/2"1/4"0.125"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K568000008746K19000008746K39200000
    1/2"3/8"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K569000008746K21000008746K412000000
    0.590"0.394"0.098"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K57000008746K58000008746K58300000
    0.590"0.433"0.078"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K571000008746K511000008746K512000000
    5/8"1/2"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K572000008746K22000008746K42200000
    0.688"1/2"0.094"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K573000008746K521000008746K522000000
    3/4"1/2"0.125"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K574000008746K24000008746K442000000
    3/4"0.563"0.094"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K575000008746K531000008746K532000000
    7/8"5/8"0.125"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K576000008746K5410000008746K542000000
    1"3/4"0.125"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 838746K5770000008746K5510000008746K552000000
     

    Nonporous Ceramic Alumina Multiple-Bore Tubes

    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Multiple-Bore Tubes, 2 Bores.
    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Multiple-Bore Tubes, 4 Bores.

    2 Bores

    4 Bores

    Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
    Temp.
    6" Lg.
    18" Lg.
    24" Lg.
    No. of
    Bores
    OD
    ID
    Color
    Min.
    Max.,
    ° F
    Fabrication
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Hardness
    Each
    Each
    Each
    20.063"0.016"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K1100000087175K12000000———0
    20.094"0.025"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K140000087175K710000087175K73000000
    20.109"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K150000087175K160000087175K1700000
    20.125"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K180000087175K190000087175K2100000
    20.125"0.040"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K2200000———087175K7900000
    20.125"0.04"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 83———087175K7700000———0
    20.156"0.052"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K230000087175K240000087175K2500000
    20.188"0.040"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K260000087175K2700000———0
    20.188"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K2900000———0———0
    20.188"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K330000087175K830000087175K8400000
    20.200"0.052"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K340000087175K3500000———0
    20.240"0.078"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K410000087175K420000087175K4300000
    20.250"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K370000087175K380000087175K3900000
    40.062"0.016"Off-WhiteNot Rated3,180Fired3200%384,000Rockwell C7187175K43300000———0———0
    40.094"0.020"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K5100000———0———0
    40.109"0.020"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K540000087175K550000087175K5600000
    40.188"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K570000087175K910000087175K9300000
    40.188"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K580000087175K590000087175K6100000
    40.219"0.050"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K620000087175K630000087175K6400000
    40.258"0.078"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K650000087175K660000087175K6700000
     
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