A. Technical specs

1.1    material type

1.1.1 cold rolling coil

(1)      material type：cold rolling coil：common carbon steel、good quality carbon steel。

(2)      material grade： Q195～Q235、08AL、SPCC 、SPCD、IF

(3)      material performance: σb≤550 N/mm²σs≤360 N/mm²

(4)     material coil size:

          thickness:   0.2～2.0mm

          width:   800～1320mm

          ID:      φ508/610 mm

          :.OD        φ800～φ2000 mm

          weight:  Max. 25000 kg  

1.1.2 pickled coil

(1)material type：hot rolling coil：common carbon steel、good quality carbon steel、low alloy structure steel。

(2)steel code：Q195、Q235、08AL、20、45、SPHC、SPHD、SPHE、 ST37-2 、ST37-3 、 ST44-2 、 ST50-2、B320~600、SPAH310~600、BRC1 、BRC3。

(3)material performance: σb≤ 780N/mm2

σs ≤ 540N/mm2

(4)material coil size：

thickness:    1.8～3.0 mm

          width:   660～1320 mm

          ID:      φ610 mm

          OD:.        φ800～φ2000 mm

weight:         Max. 25000 kg  

buyer should ensures coil thickness error fits national standard。

coil pyramid： ≤40mm，wrong level less than 5mm，

coil without edge crack。

coil type：

width error： rated width 0～+2mm

camber： ≤25mm/10000mm 长length

 material thickness error less than 10% of material thickness

1.2    finished product

1.2.1 cold rolling coil finished product size:

          thickness:        0.2-2.0mm

          width:       800～1320 mm

          ID:      φ508mm

          OD:      φ800～φ2000 mm

          coil weight:        Max. 25000 kg 

1.2.2 pickled coil finished product size：

          thickness:        1.8～3.0mm

          width:       660～1320mm

          ID:      φ508/φ610mm

          OD:      φ800～φ2000 mm

          coil weight:        Max. 25000 kg 

1.3    line speed:

          rolling speed:  Max.600m/min

          recoiling speed:         Max.630 m/min

1.4    rolling force:  Max.7000KN

1.5    max rolling torque： 13.5KN.m

1.6    main rolling machine     

type：                inservible

main motor:  600KW×1，660V，DC

house size:             450×500 mm

back up roll:               φ1050/φ1000X1400mm

working roll:               φ500/φ450X1450mm

1.7    uncoiler

uncoiling type CPC

          uncoiling speed:   Max. 600 m/min

         uncoiling tension: Max. 45KN

          cone diameter:  φ508/φ610 mm（φ520～φ485mm）

          main motor:           500KW，660V

1.8    recoiler

recoiler type:  4-cone seamless type

recoiling type:   top recoiling

          recoiling speed:   Max.630m/min

      recoiling tension：         Max.65KN

cone diameter:     φ508/φ610～φ485mm（round φ508mm）

          main motor:  750KW， 660V

1.9    production：300000 tons/year

1.9.1 production distribution list

1.9.2 annual working plan：this line works continuously, 3 shifts/day

1.10      line length： about 13m

1.11      line installation capacity：3000KVA