18MnMo4-5,18 MnMo4-5,EN10028-2 18MnMo4-5 STEEL PLATE

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18MnMo4-5,18 MnMo4-5,EN10028-2 18MnMo4-5 STEEL PLATE
Unitedsteel mill is specialized in production super thickness steel plates. EN10028 steel grade supersedes the older BS and DIN standards (Grades BS 1501-161-360A and DIN H 1, respectively).
18MnMo4-5 steel grade is one of grade in En10028-2, which is non alloy and alloy steels with specified elevated temperature properties. 18MnMo4-5 grade are used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.

18MnMo4-5 Chemical Composition
Grade The Element Max (%)
C Si Mn P S Al(min) N
18MnMo4-5 0.20 0.40 0.90-1.50 0.015 0.005   0.012
Cr Cu Mo Nb Ni Ti V
0.30 0.30 0.45-0.60   0.30    
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
Grade   18MnMo4-5 Mechanical Property
Thickness Yield Tensilmie Elongation Impact Energy(KV J) min
18MnMo4-5 mm Min Mpa Mpa Min  % -20° +20°
≤ 60 345 510-650 20 27 34 40
60> to ≤150 325 510-650 20 27 34 40
150> to ≤250 310 480-620 20 27 34 40
Equivalent steel grade of 18MnMo4-5
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