ASTM InternationalASTM C42Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete.Referenced across 3 Anvilfield field guides. Field guides that apply ASTM C42DatacenterDatacenterData center structural QADatacenterStrength cylinders and acceptanceConcreteConcreteConcrete strength testing with cylinders Often cited alongsideACI 301ACI 318ASTM C172ASTM C31ASTM C39ASTM C138ASTM C143IBC Browse all codes and standards