According to the standard:
GB/T2039-1997 Metallic materials--Creep and stress-rupture test in tension
HB5151-1996 Metallic materials--Creep and stress-rupture test in tension
HB5150-1996 Metallic materials--Stress-rupture test in tension
GB/T10120-2013 Metallic materials--Stress-rupture and relaxation test in tension
JJG276-88 Creep and stress-rupture testing machine
ASTM E139 Metallic materials--Creep and stress-rupture testing methods