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    Rock Bolt
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    Hot-rolled Fully Screw Thread Bar Rock Bolt

    [ Time:2019-04-10 Click:444 ]


    Rolling Method: Hot rolled, Heat-treated

    Grade: PSB500, PSB780, PSB830, PSB930, PSB1080

    Standard: KSD3504, JIS3112,CAN/CSAG30.18-M92,BS4449-1998,ASTM615/706, DIN488-1

    Diameter: regular 15, 20, 25, 28, 32, 36, 40, 50 mm or as customer's demands

    Length: As customer's demands

    Yield strength: 500/780/830/930/1080 MPa

    Tensile strength: 630/980/1030/1080/1230 Mpa

    Accessories: Full force hex nut, dome washer, bearing plate, coupler, nylon nut

    Place of origin: China

    Brand Name: LT

    Application: Mining, tunneling, construction,slope stabilization

    Supply ability: 500 Tons per month

     

     

    Steel Grade Yield Strength
    MPa
    Tensile Strength
    MPa
    Elongation after Fragure
    A%
    uniform Elongation
    Agt%
    Stress Relaxation
    Original Stress Relaxation rate after 1000h r/%
    PSB500 ≥500 ≥630 ≥10 ≥2.5 -- ≤3
    PSB780 ≥780 ≥980 ≥7 ≥3.5 0.8R ≤3
    PSB830 ≥830 ≥1030 ≥6 ≥3.5 0.8R ≤3
    PSB930 ≥930 ≥1080 ≥6 ≥3.5 0.8R ≤3
    PSB1080 ≥1080 ≥1230 ≥6 -- 0.8R ≤3

     

    Nominal Diameter, mm Nominal Cross Section Area, mm² Theoretical Weight. kg/m
    6(6.5) 28.27(33.18) 0.222(0.260)
    18 254.5 2
    20 314.2 2.47
    22 380.1 2.98
    25 490.9 3.85
    28 615.8 4.83
    32 804.2 6.31
    36 1018 7.99
    40 1257 9.87
    50 1964 15.42
    Theoretical weight in this table is according to steel density 7.85g/cmm³.

     

     

    infor@aylttg.com for a free quote

    .


    Email:info@aylttg.com Tel:0372 2256782  
    Add: Industrial Park, Indu District, Anyang City, Henan Province, P.R.China
    Anyang Longteng Heat Treatment Material Co.,Ltd. ?  
    豫ICP備17045909號-1
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