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LMM GROUP main products focus on the cold and hot plate & wide strip mill rolls and heavy section mill rolls and big casting & forging pieces.

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High Line Operation Points – Finishing area

Air cooling line control parameters

Specifications	1	2	3	4	5	6	7	8	9	10	11	fan	insulation cover
Φ6.5	300	310	320	330	340	350	400	450	480	500	600	On1，2	All on
Φ8	300	310	320	330	340	350	400	450	480	500	600	On1，2	All on
Φ10	300	310	320	330	340	350	400	450	480	500	600	On1~3	All on
Φ12	300	310	320	330	340	350	400	450	480	500	600	On1~3	All on
Φ14	300	310	320	330	340	350	400	450	480	500	600	On1~4	All on
Φ16	320	340	360	380	340	450	500	550	600	650	700	On1~4	All on

Operation control points of air cooling line

1） Perform process operations strictly in accordance with the control parameter table

2）Strictly implement the coil collecting operation in the drum. When producing φ14/16 specifications, the collecting drum should be installed with positioning steel bars to ensure the coil shape.

Wire rod packaging and lifting control points

1） The packing pressure is controlled according to the specifications to ensure that no loose coils occur during the transportation of the steel coils.

Specifications	Φ6.5	Φ8	Φ10	Φ12	Φ14	Φ16
packing pressure（ton）	30~32	30~32	32~34	32~34	35~38	35~38

2）When producing φ14/16 specifications, a double-lane packing line should be used.

3） The disk hanger is wrapped with a thin iron sheet to prevent the sharp parts from scratching the wire rod.

4） Intermediate sampling is prohibited for this steel grade. In special cases, if the steel is cut in the middle, yellow paint should be painted at the fracture and a sign should be attached. When trimming the head and tail, trim off the ears and surface scars of the head and tail.

How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

How can we guarantee quality?

Always a pre-production sample before mass production;
Always final Inspection before shipment;
During the epidemic, provide remote detection technical support

Tell us a little about your application and we’ll get back to you to finalize a quotation to meet your needs as quickly as possible.

Rolling mill rolls product

Classification by roll material：

Cast iron mill rolls

Alloy indefinite chilled cast iron rolls
Alloy chilled cast iron rolls
Alloy SG ductile cast iron roll
Pearlitic ductile cast iron roll
Bainite ductile cast iron roll
Centrifugal cast iron roll

Cast steel mill rolls

Alloy cast steel rolls
Semi-steel roller
Graphite steel rolls
High-chromium steel roll
High-speed steel roll

Forging mill rolls

Sort by position on the rolling mill：

Work rolls
backup rolls
Intermediate roll

Product advantage

The world No. 1 in crude steel production steel plant, over 70% of the HSS for bar and wire are from us.

LMM high-speed steel rolls have higher steel passing per groove (times) due to their good wear resistance, which saves roll changing time, improves rolling mill operation rate, reduces roll consumption, and improve the overall efficiency of the factory.
Generally, the amount of steel passing in a single groove (times) is 3 to 5 times that of cast iron rolls.

The world No. 1 in crude steel production steel plant, over 70% of the HSS for bar and wire are from us.

High Line Operation Points – Finishing area

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