What's the difference between water glass and silica sol process?
Both belong to wax loss precision casting. The difference is that the binder used in the shell making process is different. The surface quality of the...+
How to measure AGT?
For the example shown in the picture above, Assume the tensile strength of this hollow bar, Rm = 800 N/mm2 Measurement (as shown) and calculated: Ag= ...+
What is the difference between elongation A and AGT?
The breaking elongation A is the ductility index of the reinforcement, but it is only the resident elongation of broken region rather than the ductili...+
How to test the hardness of SDA accessories?
The hardness test results of many customers will be big different from ours. Is it because our test has problems or quality problems? The answer is No...+