澳门太阳集团游戏平台-官方网站[welcome]

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  • Techinal Info

    D.H. produces bars and profiles in various sizes, tolerances, dimension and mechanical properties that suits customer’s requirements. D.H. adapts various international standards for producing material in various size tolerances. Click to know more.

    TOLERANCES
    Permissible Variation in Size of Cold Finished Round Bars
    Specified Size, in (mm) Permissible Variation from Specified Size in (mm)
      Over Under
    1/16 to 5/16 (1.50 to 8.00) excl. 0.001 (0.03) 0.001 (0.03)
    5/16 to 1/2 (8.00 to 13.00) excl. 0.0015 (0.04) 0.0015 (0.04)
    1/2 to 1 (13.00 to 25.00) excl. 0.002 (0.05) 0.002 (0.05)
    1 to 1 1/2 (25.00 to 38.00) excl. 0.0025 (0.06) 0.0025 (0.06)
    1 1/2 to 4 (38.00 to 100.00) excl. 0.003 (0.08) 0.003(0.08)
     
    Permissible Variation in Size of Cold Finished Hexagonal and Square Bars
    Specified Size, in (mm) Permissible Variation from Specified Size in (mm)
      Over Under
    1/8 to 5/16 (2.50 to 8.00) excl. 0   0.002 (0.05)  
    5/16 to 1/2 (8.00 to 13.00) excl. 0   0.003 (0.08)  
    1/2 to 1 (13.00 to 25.00) incl. 0   0.004 (0.10)  
    Over to 2 (25.00 to 50.00) incl. 0   0.006 (0.15)  
    Over 2 to 3 (50.00 to 75.00) incl. 0   0.008 (0.20)  
    Over 3 (75.00 mm) 0   0.010 (0.25)  
     
    DIN TOLERANCE
    Size range h7 h8 h9 h10 h11
    3.00-6.00 mm 0.00 / -0.012 0.00 / -0.018 0.00 / -0.030 0.00 / -0.048 0.00 / -0.075
    6.01-10.00 mm 0.00 / -0.015 0.00 / -0.022 0.00 / -0.036 0.00 / -0.058 0.00 / -0.090
    10.01-18.00 mm 0.00 / -0.018 0.00 / -0.027 0.00 / -0.043 0.00 / -0.070 0.00 / -0.110
    18.01-30.00 mm 0.00 / -0.021 0.00 / -0.033 0.00 / -0.052 0.00 / -0.084 0.00 / -0.130
    30.01-50.00 mm 0.00 / -0.025 0.00 / -0.039 0.00 / -0.062 0.00 / -0.100 0.00 / -0.160
    50.01-180.00 mm 0.00 / -0.030 0.00 / -0.046 0.00 / -0.074 0.00 / -0.120 0.00 / -0.190
    80.01-120.00 mm 0.00 / -0.035 0.00 / -0.054 0.00 / -0.087 0.00 / -0.140 0.00 / -0.220
    120.01-180.00 mm 0.00 / -0.025 0.00 / -0.039 0.00 / -0.062 0.00 / -0.100 0.00 / -0.160
     

    COMPANY BROCHURE

    澳门太阳集团游戏平台