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China Steel Grit Suppliers: High-Quality Cast Steel Grit from Reliable Factory - GP/GL/GH Sizes G12-G120

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At our factory in China, we are dedicated to producing high-quality cast steel grits that meet the needs of various industries.

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Product: Cast Steel Grit

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Type: GP / GL / GH

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Sizes: G12 – G120

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As leading suppliers in the steel grit industry, we manufacture SAE standard steel grits in all types including GP, GL, and GH, available in sizes ranging from G12 to G120. Utilizing top-grade raw materials and state-of-the-art technology—including centrifugation, tempering, double quenching, and advanced screening—we ensure that all our products are widely accepted by customers around the globe. Additionally, we offer customization options for size and hardness to meet specific customer requirements.

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    Product Details

    Steel grit is crushed from good quality of steel shot, so quality of our steel grit is also very good. Basis on almost 20years manufacturing experience and good team works, we have already upgraded our quality to provide more value-added products to our customers. Sizes available of steel grits are G12, G14, G16, G18, G20, G25, G40, G50, G80, G120. As per different hardness, 3 types including GP 40-50HRC, GL 50-60HRC, GH 60-66HRC are available accordingly.

    Particle size distribution range table

    mesh mm Specification
    SG,H,L,P-2.5 SG,H,L,P-2.0 SG,H,L,P-1.7 SG,H,L,P-1.4 SG,H,L,P-1.2 SG,H,L,P-1.0 SG,H,L,P-0.7 SG,H,L,P-0.4 SG,H,L,P-0.3 SG,H,L,P-0.2
    7 2.80 all pass
    8 2.36 all pass
    10 2.00 80%min all pass
    12 1.70 90%min 80%min all pass
    14 1.40 90%min 80%min all pass
    16 1.18 90%min 75%min all pass
    18 1.00 85%min 75%min all pass
    20 0.850
    25 0.710 85%min 70%min all pass
    30 0.600
    35 0.500 80%min
    40 0.425 70%min all pass
    45 0.355 all pass
    50 0.300 80%min 65%min
    80 0.180 75%min 65%min
    120 0.125 75%min 60%min
    200 0.175 70%min
    325 0.075
    SAE G-10 G-12 G-14 G-16 G-18 G-25 G-40 G-50 G-80 G-120

    Technical indicators

    Name/Chemical composition GP Steel Shot GL Steel Shot GH Steel Shot
    C 0.85-1.20
    Mn 0.60-1.20
    Si 0.40-1.20
    S ≤0.05
    P ≤0.05
    Hardness HRC42-50 HRC 56-60 HRC 63-66
    Hardness Deviation Max Deviation±3.0HRC
    Metallogrphical structure Even tempered martensite
    Min Density(Can be determined by alcoholic displacement) 7.4g/cm³

    Product application

    Surface sandblasting and secondary surface sandblasting of hull in shipyard, rust removal cleaning, as well as sandblasting and rust removal cleaning of the pretreatment line of production of hull steel plate.

    The section steel and steel plate accessories used in the steel structure are sandblasted and rust removed by the through shot blasting machine. Only suitable for the workpiece surface requirements of cleanliness and roughness, is conducive to the next process of painting etc. Therefore, for customers, we have to use high-quality and cost-effective steel shots to minimize production costs and reduce the loss of steel shots in sandblasting.

    Rust removal

    Including shot blasting, shot peening, casting rust removal, forgings rust removal steel plate rust removal, forgings rust removal, steel rust removal, H steel rust removal, steel structure rust removal.

    Shot blasting

    section steel shot blasting, section steel sandblasting, ship plate shot blasting, steel plate shot blasting, steel shot blasting.

    Pretreatment

    coating pretreatment, surface pretreatment, ship plate pretreatment, steel pretreatment, steel plate pretreatment, steel structure pretreatment.

    Steel Grit (2)
    Steel Grit (1)
    Steel Grit (9)

    Product packaging

    Steel Grit (8)
    Steel Grit (6)
    Steel Grit (7)

    Frequently Asked Questions

    What are the available sizes of your steel grit?
    We offer a comprehensive range of steel grit sizes to suit different blasting needs, including G12, G14, G16, G18, G20, G25, G40, G50, G80, and G120.
    What hardness options are available for steel grit?
    Depending on your application, we provide 3 hardness types: GP (40-50 HRC) for general cleaning, GL (50-60 HRC) for medium etching, and GH (60-66 HRC) for heavy-duty descaling and surface profiling.
    What are the main applications of steel grit?
    Steel grit is widely used for surface sandblasting, rust removal of steel structures, ship hull cleaning, shot blasting of steel plates, and coating/surface pretreatment.
    What is the chemical composition of the steel grit?
    Our high-quality steel grit consists of Carbon (C: 0.85-1.20%), Manganese (Mn: 0.60-1.20%), Silicon (Si: 0.40-1.20%), Sulfur (S: ≤0.05%), and Phosphorus (P: ≤0.05%).
    What is the minimum density of your steel grit?
    The minimum density of our steel grit is 7.4g/cm³, which ensures high durability, longer life cycles, and minimal breakdown during blasting operations.

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