Φ80 - Φ1200 mm MC3 Ring Rolling Forging Structural Alloy Steel Roller

Φ80-Φ1200mm MC3 roller,structural alloy steel roller,alloy tool steel roller

Product standard:

Forged steel:Φ80-Φ1200mm,Square steel:80-1200mm.
Length:3-16M,or according to customer drawing
Forging ratio≥4:1

Straightness≤3mm/1000mm
Grain size≥6 grade

H≤2.0ppm
Nonmetallic inclusion:H≤2.0 T≤2.0
Dia tolerance:-0/+3mm Surface

delivery condition:black skin/polish/lathe machining
UT standard:GB/T 6402 or SEP1921CLASS C/C,D/D,E/E.

Melting process:EAF+LF+VD Ingot(bottom pour/argon protection+ forging+tempering+black skin polish(lathe machining)+ GB/T6402-91ⅡUT+ trim two end

GB/T3077-1999 structural alloy steel

DIN 7527-6,EN10204,SEP1921,EN10228-3,EN10250,EN10083,GB/T1299-2200,alloy tool steel Heat treatment:N/A+Q/T or according to customer’s demand

Process procedure:

Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment

Features of our products:

1. High-precision dimensional tolerance;
2. Excellent mechanical properties;
3. Produce different dimension based on customer’s requirements;
4. Advanced manufacture equipments and inspection devices;
5. Excellent technical personality;
6. Control the production procedure strictly;
7. Pay attention on the package protection;
8. Quality full service.

Keywords:

Hot roll includes two parts that is core of aluminium foil mill and roller shell,The common material of working roll of cold roll includes 9Cr,9Cr2,9Crv,8CrMoV etc,cold roll needs surface quenching,hardness HS45~105.The common material of hot roll includes 55Mn2,55Cr,60CrMnMo,60SiMnMo etc.Common roll includes three type that is cast steel roll,cast iron roll and forging roll,there is a few of hard alloy steel roll(tungsten steel roll) on the bar and shape rolling mill.