ACERO

NODULAR FERRITIC-PEARLITIC/PEARLITIC/ACICULAR
TYPE HARDNESS CHARACTERISTICS APPLICATIONS
Shore C Brinell
ARMOT 45 / 51 300 / 360 Nodular cast-iron rolls with ferritic-pearlitic structure - Roughing open mills for round, billets, medium and heavy sections
ARMOT - D 51 / 58 360 / 400
ARMOT - R 45 / 51 300 / 360 Nodular cast-iron rolls with ferritic-pearlitic structure
Heat treatment
- Roughing open mills for round, billets, medium and heavy sections
- Sraightening rollers
- Especially for strong stress
ARMOT - D - R 49 / 56 340 / 390
ARMOT - L 45 / 51 300 / 360 Nodular cast-iron rolls molibdenum alloyed with ferritic - pearlitic strucutre - As above
- Especially suggested for low speed
ARMOT - D - L 51 / 58 360 / 400
ARMOT - S 47 / 54 320 / 380 Nodular cast-iron rolls with ferritic-pearlitic strucutre - Special roughing when is necessary strong toughnes and constant hardness up to the core
ARMOD 58 / 65 400 / 460 Nodular cast-iron rolls with prevalent pearlitic structure and free cementite -
Heat treatment for grade - R -
- Roughing and preparing for round, wire-rod, small, medium heavy sections, small and large strips
- Sraightening rollers
- Higher resistence to mechanical stress and wear
ARMOD - R 58 / 65 400 / 460
ARMOD - L 58 / 65 400 / 460 Nodular cast iron rolls with molibdenum alloyed with prevalent pearlitic structure and free cementite - As above, especially suggested for low speed
ARMOD - F 63 / 68 450 / 500 Nodular cast-iron rolls with pearlitic-baintic matrix and free cementite -
Heat treatment for grade H - R
- Roughing and continuos mills and intermetiate stands for rounds and wire-rod
- Preparing and finishing small, medium and heavy sections bars, billets and strips
- Especially for strong stress grade H - R
ARMOD - H - R
ARMOD - S 66 / 74 480 / 550 Nodular cast iron rolls with prevalent pearlitic structure and free cementite - Pre-finishing and finishing stands reinforced bars
ARMOD - A - T - T 51 / 58 360 / 400 Nodular cast-iron rolls with acicular structure and free cementite
Heat treatment for grade - R -
- Intermediate pre-finishing and finishing small, medium and heavy sections, bars and billets
- Finishing small strips
- Better tensile strenght and mechanical wear for grade - R -
ARMOD - A - T 58 / 65 400 / 460
ARMOD - A - T - R 56 / 63 390 / 450
ARMOD - A 65 / 70 460 / 515 Nodular cast-iron rolls with acicular structure and free cementite
Heat treatment for grade - R -
- Finishing for plain and deformed rounds
- Straightening rollers
- Intermediate pre-finishing and finishing small, medium and heavy sections, bars, billets and flats
- Better tensile strenght and mechanical wear for grade - R -
ARMOD - A - R 61 / 66 430 / 480
ARMOD - A - S 68 / 73 500 / 540 High alloyed Ni, Mo, nodular cast-iron rolls with acicular structure and free cementite - As above, more hardness
- Slitting stands
AFS 67 / 74 490 / 550 Nodular cast - iron rolls, with acicular structure. Small quantities of cementite in martensitic matrix of tempering heat treatment
- bimetallic poured grade - C -
- Finishing deformed rounds
AFS - C 68 / 76 500 / 570
CLEAR CHILL
TYPE HARDNESS CHARACTERISTICS APPLICATIONS
Shore C Brinell
TNB 1 66 / 70 475 / 515 Clear chill cast-iron rolls Ni, Cr, Mo alloyed - Intermediate stands pre-finishing and finishing open and continuous mills and for round and wire rod
- Pre finishing and finishing small strips
- Guide rollers
TNB 2 68 / 72 500 / 535
TNB 3 71 / 74 525 / 550
TNB 3-S 76 / 80 570 / 615 Ni, Cr, Mo, high alloyed clear chill cast iron rolls - Finishing rounds and small strips
- Pre-finishing and finishing round and wire-rod
- Finishing small strips
TNB 4 76 / 79 570 / 600
TNB 4-S 76 / 80 570 / 615
TNB 3-C 71 / 74 525 / 550 Ni, Cr, Mo, high alloyed clear chill cast iron rolls bimetallic poured - Intermediate stands pre-finishing and finishing open and continuous mills and for round and wire rod
- Pre finishing and finishing small strips
- Guide rollers
TNB 4-C 76 / 80 570 / 615
TNB 4-C-S 78 / 81 590 / 630
INDEFINITE CHILL
TYPE HARDNESS CHARACTERISTICS APPLICATIONS
Shore C Brinell
As. CNM 60 / 65 415 / 460 Indeinite chill alloyed Cr, Ni, Mo, cast iron rolls - Second roughing stand for concrete rein forcing rounds and wire rod
- Guide rollers
- First intermediate group and preparing continuous mills for rounds and medium and small sections
As. CNM A/L 60 / 65 415 / 460
As. 4 65 / 75 460 / 560 Indeinite chill cast-iron rolls with high percentage of alloying elements Cr, Ni, Mo
heat treatment for grade R
- Pre-finishing and finishing round
- Pre-finishing and finishing flats
- Pre-finishing and finishing small and medium sections
As. 4-R
As. 4-C 70 / 77 515 / 580 Indeinite chill cast-iron rolls with high percentage of alloying elements Cr, Ni, Mo bimetallic poured - Pre-finishing and finishing round
- Pre-finishing and finishing flats
- Pre-finishing and finishing small and medium sections
HYPEREUTECTOID STEEL / GRAPHITIC STEEL
TYPE HARDNESS CHARACTERISTICS APPLICATIONS
Shore C Brinell
ACCAIO FOMSA 30 / 41 230 / 320 Ni, Cr, Mo, alloyed forged steel rolls - First small roughing stand
IPE 1 28 / 39 220 / 300 Ni, Cr, Mo, alloyed hypereutectoid steel base rolls - Roughing and preparing medium and heavy sections
- Pre finishing medium sections
IPE 2
IPE 3 37 / 41 280 / 320 Ni, Cr, Mo, alloyed hypereutectoid steel base rolls - Roughing and preparing small sections
- Preparing heavy sections
- Pre finishing heavy sections
- Finishing medium sections
IPE 4 39 / 46 300 / 350
IPE - S 1 35 / 40 270 / 310 Ni, Cr, Mo, alloyed hypereutectoid steel base rolls with higher properties of mechanical and wear resistance - For all above applications
IPE - S 2 39 / 44 300 / 340
IPE - S 3 41 / 47 320 / 360
IPE - S 4 46 / 52 350 / 400
G.S.B. 40 / 52 310 / 400 Ni, Cr, Mo, alloyed hypereutectoid steel base rolls with higher properties of thermal conductivity due to the presence of graphite nodules - For all above applications especially where considerable thermal shock is present
HIGH CHROME
TYPE HARDNESS CHARACTERISTICS APPLICATIONS
Shore C Brinell
H.Cr 64 / 73 450 / 550 High cromium cast-iron carbides in pearlitic-bainitic matrix
- Special heat treatment
- Finishing wire rod and rebar
- Finishing flats
- Intermediate and finishing light sections

PLASTICO/CAUCHO-LADRILLOS-PISTONES

TYPE HARDNESS CHARACTERISTICS APPLICATIONS
Shore C Brinell
H1 64/69 450/500 Cast iron rolls with white cast iron cortical coating obtained by casting in metallic shell - Calenders and mixing mills for rubber, resin, plastic, PVC, paint soap and paper
- Cereals and alimentary.
- Pistons.
H2 69/73 500/550 Ni - Cr alloyed cast iron rolls with white cast iron cortical coating obtained by casting in metallic shell. - Calenders and mixing mills for rubber, resin, plastic, PVC, paint soap and paper
- Cereals and alimentary.
M 69/73 500/550 Cast iron rolls with white cast iron cortical coating obtained by casting in metallic shell. - Shell for slow speed brick-kiln machine
SAGO-1 67/70 490/520 Nodular cast iron rolls with prevalent pearlitic structure and free cementite. - Shell for slow and high speed brick kiln machine
SAGO-2 69/73 510/550 Nodular cast iron rolls with prevalent pearlitic structure and free cementite.
High alloyed in molybdenum
- Shell for high speed brick kiln machine.
SAGO-3 70/75 520/570 Nodular cast iron rolls with pearlitic-bainitic matrix and free cementite. High alloyed Ni, CR, Mo. - Shell for high speed brick kiln machine.
H.Cr 64/73 450/550 High chromium cast iron carbides in pearlitic - bainitic matrix.
- special heath treatment
- Shell for high speed brick kiln machine.
G30 33/40 200/250 Grey cast iron pistons with pearlitic structure. - Pistons.

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