supply of straightened spring steel round rods (peeled, ground & polished as annealed bars), to size 55 mm diameter x 7930 mm long.straightened spring steel round rods (peeled, ground & polished as annealed bars), to size 55 mm diameter x 7930 mm long.,straightened spring steel round rods (peeled, ground & polished as annealed bars), to size 55 mm diameter x 7930 mm long. material grade 52crmov4 as per iso 683 part-14 or en10089 & technical speci fication shall be governed by rdso spec. rdso/2017/cg-01(rev. 03), jan.25 or latest for all relevant paramet ers for manufacturing and supplying of ss round rods. in addition to this following shall be ensured: a) no deca rburization is permissible for peeled round rods. b) tolerance for diameter shall be within +/- 0.05 mm & lengt h shall be within +10.0mm/-0.0 mm. also all necessary test certificate as per clause 9.2.1 of the rdso spec. n o. rdso/2017/cg-01(rev. 03), jan.25 or latest should be provided by supplier. [ warranty period: 72 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]