Bainite Acicular Cast Roll

• Casting Method: Sand Casting
• Casting Form Material: Graphite
• Casting Metal: Cast Iron
• Machining Tolerance: +/-0.01mm
• Standard: ASTM
• Certification: ISO 9001:2000
• Model NO.: roll mill
• Used for: Rolling Mill
• Series: Roll Mill
• Materials: Sga
• Color: Iron Color
• Brand: China
• Transport Package: Standard Packing
• Specification: Dia 300-700mm
• Trademark: none
• Origin: China
• HS Code: 84553000
• Production Capacity: 40000t/Year

Product Description

Bainite Acicular Cast Roll

 

Product Description

1. Stable rolled strip profits
2. Good surface quality
3. High dimension accuracy
4. Good wear resistance
5. ISO9001

We specialize in making different kinds of mill rolls, such as follows:

1)CAST IRON ROLLS
Alloy Chilled Cast Iron Rolls
Alloy Indefinite Chilled Cast Iron Rolls
Pearlitic Nodular Cast Iron Rolls(Centrifugal)
Spiculate Bainitic Nodular Cast Iron Rolls(Centrifugal)
Alloy Nodular Cast Iron Rolls(Centrifugal)

2)CAST STEEL ROLLS
Alloy Cast Steel Rolls
Adamite Steel Rolls
Graphite Steel Rolls
High Speed Steel Rolls

They are mainly applied to finishing mill, hot&cold rolling mill work rolls, back-up rolls. Adamite roll or high speed steel roll used in the early finishing stands of a lot strip mill.
 

Detailed Photos

 

The pictures of Mill Rolls for Rolling Mill

Product Parameters

 

1.Nodular cast iron roll for bar rolling mill
Rod surface hardness						HSD70-90
Core department hardness						HSD35-55
Core department tensile strength						>500Mpa
Nodular cast iron rolls are mainly used in the billet and roughing stand of hot rolling mills,sections mills, tube mills, bar mills and wire mills.
2.Pearlitics Nodular cast iron bar mill roll
Type	C	Si	Mn	P	S	Ni	Cr	Mo
SGP I	2.90~3.60	1.40~2.20	0.40~1.00	≤0.15	≤0.03	1.50~2.00	0.10~0.60	0.20~0.80
SGP II	2.90~3.60	1.20~2.00	0.40~1.00	≤0.15	≤0.03	2.01~2.50	0.20~1.00	0.20~0.80
SGP III	2.90~3.60	1.00~2.00	0.40~1.00	≤0.15	≤0.03	2.51~3.00	0.20~1.00	0.20~0.80
SGP I		60~70		35~55			>450
SGP II		55~65		35~55			>450
SGP III		62~72		35~55			>450
3.Bainitic acicular nodular cast iron bar mill roll
Brand	C	Si	Mn		Cr		Ni	Mo
SGA 1	3.00~3.50	1.40~2.40	0.20~0.80		≤0.50		2.50~3.50	0.40~1.00
SGA 2	3.00~3.50	1.20~2.00	0.20~0.80		0.20~1.00		3.00~4.50	0.40~1.00
Brand	Barrel hardness	Tensile Strenghth	Bending Strength		Application:small profiled bar, stick,
SGA 1	55~70HS	≥400Mpa	600~800		narrow steel finishing mill frame, high
SGA 2	62~80HS	≥400Mpa	600~800		speed wire prefinishing rolling
4.Indefinite chilled cast iron bar mill roll
Grade	Hardness	C	Si	Mn	Ni		Cr	Mo
I	60~70HSD	3.0~3.5	0.5~1.0	0.5~1.0	0.5~1.0		0.5~1.0	0.2~0.6
II	62~72HSD	3.0~3.5	0.5~1.0	0.5~1.0	1.0~2.0		0.5~1.0	0.2~0.6
III	65~75HSD	3.0~3.5	0.5~1.0	0.5~1.0	2.0~3.0		0.7~1.2	0.2~0.6
IV	70~85HSD	3.0~3.5	0.5~1.0	0.5~1.0	3.0~5.0		1.0~2.0	0.2~0.6
Hardness of shell		HSD60-85
Hardness of neck		HSD35-48
Tensile strength of core		≥450Mpa
For the finishing stands of continuous rolling mill of strip and bar, the prefinishing stands of high speed
wire, the internediate and the front of finishing stands of small section, also ultilized in thin plate and
straightening roll.