supply of bright steel rounds 20mm diabright steel rounds 20mm dia,bright steel rounds 20mm dia cold drawn to specn.is:9550-2001 (surface qua lity as per tab.5 of class.3)with the following chemical and mechanical properties. che mical composition: sl.no. description max% 1. carbon 0.23 2. manganese 1.5 3. sulphur 0.05 . 4. phosphorus 0.05 5. silicon 0.4 carbon equivalent max.0.42% mechanical properties: 1. tensile strength 540-790 (min)mpa 2. elongation(min) 13% tolerance on diameter shall be h11 as per table 2 to is:9550-2001. the bright steel rounds shall be supplied in 3 to 5 metres length with maximum 10% shorts down to 1 metre. marking and colour coding s hall be as per clause 2 of icf/md/specn.113.issue status 01. rev.00 with amendment nos 01 and 02. the supplier shall submit test certificate for each heat which will contain both physical and chemical properties. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited