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Nkọwa dị mkpirikpi:

Ihe mejupụtara kemịkalụ Ụdị Ngwakọta kemịkal C Mn Si Cr SP 45# 0.42-0.48 0.50-0.80 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 50Mn 0.48-0.56 0.0-0.48 0.50-0.1 .035 ≤0.035 60Mn 0.57-0.65 0.70 -1.00 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 65Mn 0.62-0.70 0.90-1.20 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 35-0.0 0 0.17-0.37 0.40-0.60 ≤0.030 ≤0.030 B3 0.55-0.65 0.75- 0.90 0.20-0.37 0.85-1.20 ≤0.030 ≤0.030 B4 0.58-0.66 0.65-0.80 1.60-1.90 0.70-0.90 ≤0.030 ≤0.030 3 ...


  • Usoro ịkwụ ụgwọ:L/C,D/A,D/P,T/T
  • Nkọwa ngwaahịa

    Mkpado ngwaahịa

    Ihe mejupụtara kemịkalụ

    Ngwa kemịkalụ
    Ụdị Ihe mejupụtara kemịkalụ
    C Mn Si Cr S P
    45# 0.42-0.48 0.50-0.80 0.17-0.37 ≤0.25 ≤0.035 ≤0.035
    50 nde 0.48-0.56 0.70-1.00 0.17-0.37 ≤0.25 ≤0.035 ≤0.035
    60 nde 0.57-0.65 0.70-1.00 0.17-0.37 ≤0.25 ≤0.035 ≤0.035
    65 nde 0.62-0.70 0.90-1.20 0.17-0.37 ≤0.25 ≤0.035 ≤0.035
    B2 0.75-0.85 0.70-0.90 0.17-0.37 0.40-0.60 ≤0.030 ≤0.030
    B3 0.55-0.65 0.75-0.90 0.20-0.37 0.85-1.20 ≤0.030 ≤0.030
    B4 0.58-0.66 0.65-0.80 1.60-1.90 0.70-0.90 ≤0.030 ≤0.030
    B6 0.97-1.03 1.00-1.10 0.20-0.30 0.50-0.60 ≤0.025 ≤0.025

     

    bọọlụ ígwèagba bọọlụonyonyo (5)

    Ihe eji arụ ọrụ
    Ihe onwunwe Isi ike (HRC) Mmetụta Oge ọdịda
    Φ20-Φ50 Φ60-Φ90 Φ100-Φ150
    Elu Isi Elu Isi Elu Isi
    45# ≥54 ≥36 ≥54 ≥34 ≥52 ≥30 ≥15 ≥22000
    50 nde ≥58 ≥38 ≥58 ≥36 ≥55 ≥32 ≥15 ≥22000
    60 nde ≥60 ≥42 ≥60 ≥40 ≥58 ≥36 ≥15 ≥22000
    65 nde ≥60 ≥42 ≥60 ≥40 ≥58 ≥36 ≥15 ≥22000
    B2 ≥60 ≥60 ≥60 ≥50 ≥60 ≥46 ≥15 ≥22000
    B3 ≥60 ≥60 ≥60 ≥50 ≥60 ≥48 ≥15 ≥22000
    B4 ≥60 ≥60 ≥60 ≥55 ≥60 ≥52 ≥15 ≥22000
    B6 ≥60 ≥60 ≥60 ≥59 ≥60 ≥55 ≥15 ≥22000

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