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C-16
Hot Load
| Load Testing Refractory Brick At High Temperatures. T9300 |
A 25 psi load is applied to 9" x 4 1/2" x 2 1/2" or 3" bricks during a specified heating schedule. A minimum of two specimens per type/brand is suggested by ASTM. the percent deformation is measured on each brick after testing simultaneously in a gas-fired kiln up to 3100°F. |
C-24
PCE Test
| Pyrometric Cone Equivalent of Fireclay And High Alumina Refractory Materials. T9320 |
Compares the deformation of prepared cone samples with Orton PCE test cones. Indicate approximate cone value anticipated or describe material. A representative sample of 150 gm or more of granular material to pass a No. 70 ASTM Sieve (No. 65 Tyler) should be submitted. |
C-113
Reheat Change
| Reheat Change of Refractory Brick. T9370 |
Three 9" x 4 1/2" x 2 1/2" or 3" bricks are heated on a specified heating schedule and the percent linear change is reported. At least three 9" bricks per brand/type are suggested by ASTM. |
C-182
Water Calorimeter
| Thermal Conductivity of Insulating Firebrick. T9430 |
The heat flow through a refractory is determined with a water-cooled copper calorimeter. the temperature limit of refractory must be specified, as well as the hot face or mean test temperatures desired. the maximum hot face temperature for testing is 2700°F. the specimens required are six 9" bricks or an 18" x 13.5" x 2.5" slab. |
C-201
Mortar Pier
| Thermal Conductivity of Refractories. T9460 |
The heat flow through a refractory is determined with a water-cooled copper calorimeter. the temperature limit of refractory must be specified, as well as the hot face or mean test temperatures desired. the maximum hot face temperature for testing is 2700?F. the specimens required are six 9" bricks or an 18" x 13.5" x 2.5" slab. |
C-202
Mortar Pier
| Thermal Conductivity of Refractory Brick. T9470 |
The heat flow through a refractory is determined with a water-cooled copper calorimeter. the temperature limit of refractory must be specified, as well as the hot face or mean test temperatures desired. the maximum hot face temperature for testing is 2700?F. the specimens required are six 9" bricks or an 18" x 13.5" x 2.5" slab. |
C-210
Reheat Change
| Reheat Change of Insulating Firebrick. T9480 |
Three 9" x 4 1/2" x 2 1/2" or 3" bricks are fired for 24 hours after which the percent linear and volume changes are measured. |
D-257
Electrical Resistivity |
D-C Resistance Or Conductance of Insulating Materials. T9485 |
Volume electrical resistivity of insulating materials are determined by DC, as well as by AC methods. Specimen dimensions and electrode configuration are determined on an individual basis. |
C-288
CO Disintegration
| Disintegration of Refractories In An Atmosphere of Carbon Monoxide. T9500 |
Shows the comparative behavior of refractory products with accelerated exposure to nearly pure CO at 940°F. the sample performance is rated based on the ASTM visual criteria. Specimens shall be 9" x 2 1/2" or 3" square in cross section. |
C-583
HMOR
| Modulus of Rupture of Refractory Materials At Elevated Temperatures. T9570 |
Flexural strength is determined for 1" x 1" x 7" bars at temperature in three-point bending. Price includes a 12 hour hold at the test temperature. Testing of five specimens per type/brand is recommended by ASTM. |
C-605
Reheat Change
| Reheat Change of Fireclay Nozzles And Sleeves. T9580 |
Specimens (25 to 26 in3) are taken from four different sleeves or nozzles and fired per Schedule D of ASTM C-113 (2461°F reheat). the percent linear and volume changes are measured. |
C-831
Residual Carbon
| Residual Carbon, Apparent Residual Carbon, And Apparent Carbon Yield In Coked Carbon Containing Bricks And Shapes. T9640 |
Used for characterization and comparison of carbon containing brick and shapes. A 1" x 3" x 6" specimen is suggested by ASTM. |
C-832
Creep and EUL
| Measuring the Thermal Expansion And Creep of Refractories Under Load. T9650 |
Two specimens, as suggested by ASTM, are tested simultaneously under a 25 psi compressive stress for 50 hours. OTher compressive stresses, up to 100 psi can be specified. the percent linear change is recorded continuously during the heat up and creep period under load. Specimen size is 1 1/2" square by 4 1/2" long. |
C-863
Steam Oxidation
| Evaluating Oxidation Resistance of Silicon Carbide Refractories At Elevated Temperatures. T9690 |
Steam is used to accelerate the oxidation of SiC refractories at elevated temperatures. ASTM specifies a 500 hour test duration at a temperature between 800°C and 1200°C. the average volume and bulk density changes are measured on three specimens per material. |
C-1099
Carbon MOR or Flexural Strength | Modulus of Rupture of Carbon-Containing Refractory Materials At Elevated Temperatures. T9758 |
Flexural strength is determined for 1" x 1" x 6" bars at 2550°F in three-point bending. Testing of five specimens per type/brand is recommended by ASTM. |
C-1100
Thermal Shock
| Ribbon Thermal Shock Testing of Refractory Materials. T9760 |
Specimens receive alternating 15 minute heating at 1800°F and cooling in air cycles. the before and after shock strength and sonic properties are measured and both the actual and percent change in properties are reported. Five 9" bricks per type/brand are suggested by ASTM. |
C-1113
Hot Wire
| Thermal Conductivity of Refractories By Hot Wire. T9855 |
the hot wire technique is a transient, intermittent isoThermal method for measuring Thermal conductivity. A thin platinum wire is placed between two appropriately prepared 9" bricks of same density. Heat generated by current applied to the wire is conducted away from the wire at a rate dependent on the Thermal conductivity of the sample. Minimum of two bricks required. |
C-1171
Thermal Shock | Quantitatively Measuring the Effect of Thermal Cycling On Refractories. T9765 |
Determination of the relative Thermal shock resistance of refractories using 5 alternating 10 minute heating at 2190°F and cooling in air cycles. Ten specimens 1" x 1" x 6" per type/brand are required by ASTM, and both the actual and percent change in strength and ultrasonic properties are reported. |
| DIN 51053
| Determination of Creep Or Refractoriness Under Load. T9900 DIN 51064 |
One cylindrical specimen (50 mm diameter x 50 mm high) is tested per firing. the percent linear change is recorded continuously during the heat-up and creep period under load. the minimum size required is a half brick. Standard conditions are 0.2 N/mm2 (29 psi) load and 50 hour hold. |
| Alcoa Aluminum Cup
| Alcoa Modified Aluminum Cup Penetration. T9810 |
the comparative resistance of refractory brick, mortars, or monolithics can be determined using this cup test, with 7075 aluminum alloy at 1500°F for 72 hours. Two 9" bricks are required. Before and after metal analysis is available at additional cost. |
| Alkali Disintegration | Alcoa Modified Disintegration of Refractories By Alkali. T9540 |
Nine 2" cube specimens are required. A 1" hole is drilled into the face of each specimen and filled with eiTher 8 gm of Potassium Carbonate, 8 gm of Sodium Carbonate, or a mixture of 4 gm of Potassium Carbonate and 4 gm of Sodium Carbonate. the effects of firing three cubes each at 900°C, 1000°C, or 1100°C for 5 hours are determined visually. |
| Alkali Resistance | Alkali Resistance. T9800 |
Test specimens are fired to 1700°F in two cycles in the presence of Potassium Carbonate. MOR, MOE, and visual observations are taken before and after exposure to alkali. Ten 1" x 1" x 6" bars are required. |
| Firing | Periodic Kiln Firings. T9200 |
Periodic kiln firing can be performed within all commercial ranges of temperatures and atmospheres, using almost any schedule used by commercial equipment. the prices apply to one firing with 1 cubic foot setting space up to a 5 hour cycle. |
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