P460ML1 is steels for pressure purposes —Part 5: Weldable fine grain steels,thermomechanically rolled.It’s used for making pressure vessel or boiler.
The meaning of the M,ML,ML2:
a) the basic series (P...M) min impact temperature 0℃，the impact energy is 27J.
b) series with low temperature properties down to -40 °C (P...ML1);
min impact temperature -40℃，the impact energy is 27J.
c) series with low temperature properties down to -50 °C (P...ML2).
min impact temperature -50℃，the impact energy is 27J.
The products of
P460ML1 thickness should be 5-63mm.
P460ML1 can excessive post weld heat-treatment (PWHT) conditions,it can decrease the mechanical properties. Where in stress
relieving the intended time temperature parameter
P = T s (20 + lgt )x10 -3
Where T s is the stress relieving temperature in K and t is holding time in hours is exceeding the critical value of P crit. = 17,3 the purchaser should in his enquiry and order inform the manufacturer accordingly and, where appropriate, tests on simulated post weld heat treated samples can be agreed to check whether after such a treatment the properties specified in this standard can still be regarded as valid.
P460ML1 steel products chemical composition and mechanical strength as below:
EN10028-5 P460ML1L1 Chemical Composition
|
Grade |
Chemical Composition |
|
P460ML1L1 |
The Element Max (%) |
|
C |
Si |
Mn |
P |
S |
Al |
N |
|
0.16 |
0.60 |
1.70 |
0.025 |
0.020 |
0.020 |
0.020 |
|
Nb |
V |
Ti |
Ni |
Mo |
|
|
|
0.05 |
0.10 |
0.05 |
0.50 |
0.20 |
|
|
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
EN10028-5 P460ML1 Mechanical Property
|
Grade |
Mechanical Property |
|
P460ML1L1 |
Thickness |
Yield |
Tensile |
Elongation |
|
mm |
Min Mpa |
Mpa |
Min % |
|
t≤16 |
460 |
530-720 |
17% |
|
16＜t≤40 |
440 |
530-720 |
17% |
|
40＜t≤63 |
430 |
530-720 |
17% |
Shanghai Katalor can supply of P460ML1 material and have mature producing experience.If you are looking for P460ML1 steel sheet ,just call us at any time.
