This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. of upsetting straight threaded steel bar joints. This standard applies to upsetting straight threaded steel bar joints made of HRB335 and HRB400 grade hot-rolled ribbed steel bars. Waste heat treated steel bars can be used as a reference.
JG 171-2005 history
2013JG/T 163-2013 Couplers for rebar mechanical splicing
2005JG 171-2005 Parallel thread rebar splice with upsetting end
JG 171-2005 Parallel thread rebar splice with upsetting end was changed to JG/T 163-2013 Couplers for rebar mechanical splicing.