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Steel Grit GL25 GP25 GL40 GP40 12

Popular size: GL25 GP25 GL40 GP40

Steel Grit GL25 GP25 GL40 GP40 12

Size:G10-G120
Diameter:0.2mm-2.5mm
Hardness: GP GL GH
Packing:25kg/small bag,40bags/ton bag or pallet

More details

          ZW Steel grits has been divided into three groups of different hardness according to their intended purpose.The hardest material GH,

is designed for use exclusively in air blasting equipment.The two softer materials, GL and GP, may also be used in centrifugal wheel

blast equipment.




Steel Grit Hardness Selection:


GP steel grit :

The GP steel grit external form is round and shape, even GP steel grits are softer than GL and GH,but owns fine elasticity and the strength

of fatigue resistance as a result of fine heat treatment, so GP steel grit applied in all aspects.


GL steel grit :

The GL steel grit is harder than GP steel grit, but during blasting ,GL steel grit also loses its sharp edges, GL steel grit is particularly suited

to descaling, operations before coating and surface preparation applications.


GH steel grit :

The GH steel grit has maximum hardness, it will not lost their angular during operating. These abrasives are particularly effective in surface

treatment processes and produce a uniform surface, GH steel grit used for surface cleaning of high hardness products and surface roughening

operations effectively .


Applications:


Surface preparation for painting and coating ,derusting of metal surface ,removal of old coatings from steel structural, cleaning of castings

and forgings,cleaning of welded areas, cleaning the squeezing roller,cleaning the scales, rust, burr, painting or plating before treatment,etching

etc.


Large grits used for sand removal of large and medium sized castings,scale removal of forging and heat treatment pieces,steel plate surface

blast cleaning,cutting granite,etc; Small grits used for sand removal of medium and small sized casting ,forging and heat treatment pieces,

aluminum ,steel pieces,steel plates ,steel structure and cleaning of non ferrous castings.



Item

Steel Grit



Chemical Composition

Carbon (C)

0.85-1.20%

Manganese (Mn)

0.60-1.20%

Silicon (Si)

0.50-1.20%

Sulfur (S)

<0.03%

Phosphorus (P)

<0.03%


Hardness

GP

GL

GH

40-50HRC

53-60HRC

60-66HRC

Microstructure

Homogeneous Tempered Martensite

Homogeneous Tempered Martensite

Homogeneous Tempered Martensite

Size

G10(2.5mm),  G12(2.0mm),  G14(1.7mm),  G16(1.4mm),  G18(1.2mm)

G25(1.0mm),  G40(0.7mm),  G50(0.4mm),  G80(0.3mm),  G120(0.2mm)

Quality Standard

SAE Standard

Third-party certification

SGS Test

Appearance

Angular

Density

7.5 g/cm3

Application

Sand blasting;Rust removal;Surface pre-treatment,etc;

Packing

1. 25kg/bag,40bags/1 ton big bag

2. 1ton loose bags

3. 25kg/bag,40bags/ pallet+ carton box



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