10 # Peipi ea tšepe e se nang seam

Tlhaloso e Khutšoanyane:

Tlhaloso ea tlhahiso:

Ka ntle bophara ba tšepe phala 20-426

Botenya ba phala ea tšepe ea lerako la 20-426

Motsoako oa lik'hemik'hale:

● No. 10 seamless steel pipe chemical compositions:

Carbon C: 0.07 ~ 0.14″ silicon Si: 0.17 ~ 0.37 Manganese Mn: 0.35 ~ 0.65 Sulfur S: ≤0.04 Phosphorus P: ≤0.35 chromium Cr: ≤0.15 Copper0 ≤0 Nickel 5.

Thepa ea mochini:

Mechanical properties of No. 10 seamless steel pipe:Tensile strength σb (MPa) : ≥410(42) Yield strength σs (MPa) : ≥245(25) elongation δ5 (%) : ≥25 sectional shrinkage (%) : ≥5 , ho thatafala ha mocheso, ≤156HB, boholo ba mohlala: 25mm.

Litšepe tsa boleng bo holimo tsa carbon:

No. 10 seamless tšepe pipe ha e na likarolo tse ling tsa motsoako (ntle le likarolo tse setseng) ntle le carbon (C) element le palo e itseng ea silicon (Si) bakeng sa deoxidation (ka kakaretso e seng ho feta 0.40%), manganese (Mn) (ka kakaretso ha ho joalo. ho feta 0.80%, ho fihlela ho 1.20%) likarolo tsa motsoako.

Ts'epe e joalo e tlameha ho ba le metsoako ea lik'hemik'hale le lisebelisoa tsa mochini.Diteng tsa sulphur (S) le phosphorus (P) ka kakaretso di laolwa ka tlase ho 0.035%.Haeba e laoloa ka tlase ho 0,030%, e bitsoa tšepe ea boleng bo phahameng, 'me "A" e lokela ho ekeletsoa ka mor'a sehlopha, joalo ka 20A;Haeba P e laoloa ka tlase ho 0.025% 'me S e laoloa ka tlase ho 0.020%, e bitsoa tšepe e eketsehileng ea boleng bo phahameng,' me "E" e lokela ho eketsoa ka mor'a sehlopha ho bontša phapang.Bakeng sa likarolo tse ling tse setseng tsa alloying tse tlisoang ka tšepe ke lisebelisoa tse tala, tse kang chromium (Cr), nickel (Ni), koporo (Cu), joalo-joalo, litaba tsa Cr≤0.25%, Ni≤0.30%, Cu≤0.25%.Mefuta e meng ea manganese (Mn) e fihla ho 1.40%, e tsejoang e le tšepe ea manganese.

Che.