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GB/T 8162-2008 20,45,20Mn,Q345B,Q345C,Q345D,45Mn2, 27SiMn


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Tags samfurin

bayanin samfurin

Daidaito: GB/T8162-2008
Daraja: 20, 45, 20Mn, Q345B, Q345C, Q345D, 45Mn2, 27SiMn
Lambar Isarwa: Zafafan mirginawa
Girman Girma: OD 73MM-630MM , Kauri 4MM-35MM
Haƙuri: A cewar GB/T8162-2008
Tsawon: Kamar yadda bukata
MTC: GB/T19001-2008

siga samfurin

Tarin Sinadari:
Daraja C Si Mn P S Nb V Ti Cr Ni Ku
20 0.17-0.23 0.17-0.37 0.35-0.65 ≤0.035 ≤0.030 / / / ≤0.25 ≤0.30 ≤0.25
45 0.42-0.50 0.17-0.37 0.50-0.80 ≤0.035 ≤0.030 / / / ≤0.25 ≤0.30 ≤0.25
20Mn 0.17-0.23 0.07-0.37 0.70-1.00 ≤0.035 ≤0.030 / / / ≤0.25 ≤0.30 ≤0.25
Q345B ≤0.20 ≤0.50 ≤1.70 ≤0.035 ≤0.035 ≤0.07 ≤0.15 ≤0.20 ≤0.30 ≤0.50 ≤0.30
Q345C ≤0.20 ≤0.50 ≤1.70 ≤0.035 ≤0.030 ≤0.07 ≤0.15 ≤0.20 ≤0.30 ≤0.50 ≤0.30
Q345D ≤0.18 ≤0.50 ≤1.70 ≤0.035 ≤0.025 ≤0.025 ≤0.15 ≤0.20 ≤0.30 ≤0.50 ≤0.30
45mn2 0.42-0.49 0.17-0.37 1.40-1.80 ≤0.035 ≤0.035 / / / ≤0.25 / ≤0.25
27 Simn 0.24-0.32 1.10-1.40 1.10-1.40 ≤0.035 ≤0.035 / / / ≤0.30 / ≤0.20
Kayayyakin Injini:
Daraja Haɗin Sinadari Ƙarfin Ruwa    min Mpa Ƙarfin Ƙarfi Tsawaitawa Gwajin Tasiri
T da mm Mpa
≤16 16 ≤30 :30 Tasiri/J
20 / / / / 245 235 225 ≥410 ≥20 - -
45 / / / / 335 325 315 ≥590 ≥14 - -
20Mn / / / / 275 265 255 ≥450 ≥20 - -
Q345B ≤0.012 ≤0.10 / / 345 325 295 470-630 ≥20 20 34
Q345C ≤0.012 ≤0.10 / ≥0.015 345 325 295 470-630 ≥21 0 34
Q345D ≤0.012 ≤0.10 / ≥0.015 345 325 295 470-630 ≥21 -20 34
45mn2 / ≤0.25 / / 885 ≥735 ≥10 - -
27 Simn / ≤0.30 / / 980 ≥835 ≥12 - -
Nunin samarwa:
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Kula da inganci:

02

Sabis ɗinmu:

01


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