KD FOUNDRY Králův Dvůr, s.r.o.
Heinemannova 2695/6, Dejvice, 160 00, Praha 6, Tel.: +420 311 662 417, e-mail: simsa@kdfoundry.cz
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Office:
Heinemannova 2695/6
Dejvice, 160 00, Praha 6
tel.: +420 311 662 558
mobil: +420 724 182 221
e-mail: simsa@kdfoundry.cz
Plant:
CZ - 267 01 Králův Dvůr
Heinemannova 2695/6
Dejvice, 160 00, Praha 6
tel.: +420 311 662 558
mobil: +420 724 182 221
e-mail: simsa@kdfoundry.cz
Plant:
CZ - 267 01 Králův Dvůr
Roll specification
| Identification | Roll type | Main use | Chemical composition, % from/to | Hardness of the working layer surface from/to | Maximum hardness of the necks (HB) | Thickness of the hardened layer from/to (mm) | Note | |||||||
| C | Mn | Si | P | S | Ni | Cr | Mo | |||||||
| A1 | Hardened rolls, plain, smooth | For strips | 3,20 3,60 | 0,30 0,70 | 0,40 0,60 | 0,30 0,60 | max 0,18 | - | - | - | min 59HSh (410 HB) | 240 | 8 18 | |
| A22) | Hardened rolls, plain, smooth | For light strips | 2,70 3,30 | 0,20 0,70 | 0,40 0,60 | max 0,60 | max 0,12 | - | - | - | min 61HSh (430 HB) | 370 | 15 25 | For body length 1450 to 1650 the hardness is min. 59 HSh and thickness of the hardened layer 8 to 20mm. |
| A3 | Hardened rolls, plain, smooth | For thick strips | 2,80 3,20 | 0,30 0,70 | 0,40 0,70 | max 0,50 | max 0,08 | - | - | - | min 56-64HSh (390-450 HB) | 240 | 8 20 | |
| A4 | Hardened rolls, plain, grooved | For light sections and wires | 3,00 3,60 | 0,20 0,90 | 0,40 0,80 | max 0,60 | max 0,15 | - | - | - | min 59-68HSh (410-485 HB) | 260 | 10 25 | |
| A5 | Hardened rolls, plain, grooved | For light and medium sections with deep grooves | 2,80 3,50 | 0,20 0,50 | 0,40 0,80 | max 0,60 | max 0,14 | - | - | - | min 59-68HSh (410-485 HB) | 280 | 20 40 | |
| A62) | Hardened rolls, alloy Mo, smooth | For light sheet metal | 2,80 3,50 | 0,20 0,50 | 0,40 0,80 | max 0,60 | max 0,12 | - | - | 0,301) 0,60 | min 61 HSh (430 HB) | 270 | 15 25 | For body length 1450 to 1650 the hardness is min. 59 HSh and thickness of the hardened layer 8 to 20mm. |
| A7 | Hardened rolls, alloy Mo, smooth | For metal plates | 2,80 3,30 | 0,20 0,90 | 0,40 0,80 | max 0,50 | max 0,08 | - | - | 0,301) 0,50 | 56-64 HSh (390-450 HB) | 260 | 8 20 | |
| A8 | Hardened rolls, alloy Mo, smooth | For wide strips on pontoon roughers and leader mills | 3,00 3,40 | 0,20 0,60 | 0,35 0,55 | 0,35 0,50 | max 0,10 | - | - | 0,301) 0,40 | min 58 HSh (405 HB) | 260 | 15 40 | |
| A102) | Hardened rolls, alloy Ni Cr Mo, smooth | For light sheet metals | 2,80 3,40 | 0,20 0,80 | 0,40 0,80 | max 0,60 | max 0,12 | 0,301) 0,60 | 0,15 0,30 1) | 0,301) 0,60 | min 62HSh (440 HB) | 270 | 15 25 | |
| A11 | Hardened rolls, alloy Ni Cr Mo, smooth | For strips | 3,00 3,60 | 0,40 0,90 | 0,40 0,80 | max 0,60 | max 0,12 | 1,201) 1,50 | 0,30 0,60 1) | 0,251) 0,35 | min 67HSh (480 HB) | 320 | 10 25 | |
| B 1 | Slightly hardened rolls, plain | For medium and heavy sections | 2,80 3,20 | 0,90 1,20 | 1,00 1,30 | max 0,45 | max 0,12 | - | - | - | 220 - 300 HB | 240 | - | |
| B 2 | Slightly hardened rolls, alloy Ni Cr | For heavy sections | 2,70 3,20 | 0,90 1,20 | 1,00 1,30 | max 0,45 | max 0,12 | 1,00* 1,40 | 0,30 0,50* | - | 240 - 300 HB | 260 | - | |
| B 3 | Slightly hardened rolls, alloy Ni Cr | For medium- heavy sections | 2,70 3,00 | 0,50 0,90 | 0,90 1,30 | max 0,30 | max 0,10 | 1,30* 1,50 | 0,90 1,20* | - | 300 - 450 HB | 300 | - | |
| B 4 | Slightly hardened rolls, alloy Ni Cr | For light and medium sections | 3,00 3,50 | 0,50 0,90 | 0,40 0,90 | max 0,60 | max 0,12 | 1,20* 1,50 | 0,30 0,60* | - | min 61 HSh (430 HB) | 340 | - | |
| B 5 | Slightly hardened rolls made of plain nodular cast iron | For light, medium and heavy sections | 3,10 3,60 | 0,40 1,00 | 1,20 2,20 | max 0,15* max 0,30 | max 0,03 | - | - | - | 340 - 450 HB | 260 | - | |
| B 6 | Slightly hardened rolls made of plain nodular cast iron | For pipes | 3,00* 3,40* | 0,60* 1,20* | 1,30* 1,80* | max 0,15* max 0,30 | max 0,03* | - | - | - | 240 - 320 HB | 280 | - | |
| B 7 | Slightly hardened rolls made of nodular cast iron, alloy Ni Cr | For light and medium sections | 3,00 3,50 | 0,50 1,00 | 1,20 2,40 | max 0,15* max 0,30 | max 0,03 | 1,00* 1,50 | 0,30 0,50* | - | 280 - 430 HB | 300 | - | |
| B 8 | Slightly hardened rolls made of nodular cast iron. alloy Ni Cr | For pipes | 2,60 3,10 | 0,60 1,20 | 1,20 2,00 | max 0,15* | max 0,03 | 0,60* 1,40 | 0,20 0,60* | - | 260 - 380 HB | 300 | - | |
| B 9 | Slightly hardened rolls made of nodular cast iron, alloy Ni Cr | For medium and heavy sections and for pipes | 2,50 2,70 | 0,40 0,80 | 1,20 1,60 | max 0,10* | max 0,015 | 0,70* 1,00 | 0,30 0,60* | - | 320 - 390 HB | 300 | - | Loss of hardness of the working layer 40 HB/100 mm |
| B 10 | Slightly hardened rolls made of nodular cast iron, alloy Ni Cr, Mo, smooth | For light and medium sections | 3,20 3,60 | 0,40 0,70 | 1,20 1,80 | max 0,10* | max 0,015 | 1,80* 2,40 | 0,30* 0,70 | 0,20* 0,50 | 420 - 500 HB | 360 | - | |
| C 2 | Medium-hard rolls, alloy Mo, smooth | For metal plates | 2,40 ,70 | 0,60 0,90 | 0,70 1,20 | max 0,30 | max 0,07 | - | - | 0,30* 0,50 | 200 - 220 HB | 220 | - | |
| C 3 | Medium-hard rolls, alloy Ni, Cr, Mo with pre-cast s grooves | For heavy sections | 2,60 3,10 | 0,80 1,50 | 0,70 1,20 | max 0,30 | max 0,12 | 1,00* 1,40 | 0,20 0,80* | 0,30* 0,50 | 220 - 300 HB | 260 | - | 0.50 - 1.00 % Cu |
| C 4 | Medium-hard rolls made of plain nodular cast iron, smooth or with pre-cast s grooves | For light and medium sections | 3,00 3,60 | 0,40 1,20 | 1,30 1,80 | max 0,15* max 0,30 | max 0,03 | - | - | - | 280 - 380 HB | 280 | - | |
| C 5 | Medium-hard rolls made of plain nodular cast iron, with pre-cast s grooves | For thick and heavy sections | 3,00 3,60 | 0,40 1,20 | 1,30 1,80 | max 0,15* max 0,30 | max 0,03 | - | max 0,30 | - | 200 - 300 HB | 270 | - | |
| C 6 | Medium-hard rolls made of nodular cast iron, alloy Ni, Cr, Mo with pre-cast s grooves | For thick and heavy sections | 3,00 3,60 | 0,70 1,20 | 1,00 1,70 | max 0,15* | max 0,02 | 1,00 1,40 | 0,30 0,50 | 0,30 0,40 | 230 - 280 HB | 260 | - | |
| C 7 | Medium-hard rolls made of nodular cast iron, alloy Ni, Cr, Mo, smooth | For thick and heavy sections | 3,00 3,60 | 0,70 1,20 | 1,50 2,20 | max 0,15* max 0,30 | max 0,02 | 1,00 1,40 | 0,30 0,50 | 0,30 0,40 | 380 - 457 HB | 260 | - | |
| C 8 | Medium-hard rolls made of nodular cast iron, alloy Ni, Cr, Mo with pre-cast s grooves | For thick and heavy sections | 2,60 3,10 | 0,60 1,20 | 1,20 2,00 | max 0,15* | max 0,03 | 0,60 1,40 | 0,20 0,60 | - | 230 - 330 HB | 270 | - | Heat-treated |
| C 9 | Medium-hard rolls made of nodular cast iron, alloy Ni Mo (with bainitic structure) with pre-cast s grooves | For thick and heavy sections in finishers | 2,70 3,00 | 0,60 1,00 | 1,20 1,80 | max 0,15* | max 0,03 | 3,40 4,00 | max 0,20 | 0,70 1,00 | 260 - 320 HB | 300 | - | Heat-treated |
| D 1 | Rolls with indefinite hardened layer, alloy Ni Cr Mo, smooth and grooved | For light and medium sections and strip | 2,90 3,30 | 0,40 0,90 | 0,40 0,80 | max 0,45 | max 0,12 | 2,80* 3,10 | 0,40 0,80* | 0,25* 0,40 | min 70 HSh (500 HB) | 340 | - | |
| D 2 | Rolls with indefinite hardened layer, alloy Ni Cr Mo, smooth | For strips | 3,00 3,50 | 0,40 0,90 | 0,60 1,20 | max 0,45 | max 0,12 | 2,80 3,50 | 0,40 1,20 | 0,40 0,60 | min 75 HSh (540 HB) | 350 | - | |
| D 3 | Rolls with indefinite hardened layer, alloy Ni Cr Mo, smooth | For wide strips in leader mills | 3,10 3,40 | 0,40 0,80 | 0,50 0,80 | max 0,15* | max 0,10 | 3,00* 3,50 | 0,80 1,00* | 0,25* 0,35 | 62 - 75 HSh (440-540 HB) | 320 | - | |
| D 4 | Rolls with indefinite hardened layer, alloy Ni Cr Mo, smooth | For wide strips in finishers | 3,20 3,50 | 0,80 1,20 | 1,00 1,40 | max 0,15* | max 0,10 | 4,20 4,50 | 1,30 1,70 | 0,30 0,40 | 72 - 85 HSh (520-616 HB) | 320 | - | |
| D 5 | Rolls with indefinite hardened layer, alloy Ni Cr Mo, smooth | For wide strips in finishers | 2,60 2,90 | 0,40 0,80 | 0,40 0,50 | max 0,45 | max 0,10 | 3,80 4,20 | 0,65 0,75 | 0,30 0,40 | 74 - 85 HSh (530-616 HB) | 320 | - | |
| D 6 | Rolls with indefinite hardened layer, alloy Ni Cr Mo, smooth | For light sections | 3,10 3,60 | 0,30 0,60 | 0,70 1,10 | max 0,20 | max 0,10 | 2,00 2,60 | 0,80 1,20 | 0,20 0,50 | 75 - 85 HSh (540-616 HB) | 380 | - | |
| D 7 | Rolls with indefinite hardened layer made of bainitic nodular cast iron, alloy Ni Mo | For plates | 3,20 3,50 | 0,30 0,60 | 0,60 0,80 | max 0,10* | max 0,02 | 4,00* 4,40 | max 0,30 | 0,90* 1,15 | 62 - 75 HSh (440-540 HB) | 360 | - | |
| E 1 | Rolls made of cast iron, highly alloy Cr, grooved | For light, medium and heavy sections in finishers | 2,60 3,00* | 0,50 0,80 | 0,30 0,50 | max 0,10 | max 0,05 | 0,10 0,30 | 13,00* 15,00 | 0,40* 0,60 | 61 - 68 HSh (430-485 HB) | 360 | - | Heat-treatment option |
© KD Foundry Králův Dvůr