This standard specifies the structure, technical requirements, inspection methods, inspection rules, marking and packaging and accompanying documents of bending testing machines. This standard is applicable to wire rods with sample diameters (including special-shaped cross-sections) of 0.3 mm to 10 mm and metal plates and strips with a thickness of no more than 3 mm. Bending tests are used for repeated bending tests in accordance with GB/T 238 or HB/T 5178. Folding testing machine (hereinafter referred to as testing machine).
JB/T 9371-2013 Referenced Document
GB/T 238 Metallic materials.Wire.Reverse bend test*, 2013-09-06 Update
GB/T 2611-2007 General requirements for testing machines
JB/T 6147-2007 Requirements for the packaging, packaging marking and handling of testing machine products
JB/T 9371-2013 history
2013JB/T 9371-2013 Reverse bend testing machines.Specification
1999JB/T 9371-1999 Specifications for the reverse bend testing machines