| |
low
alloy steel plate
| Item |
low
alloy steel plate |
| Standard |
GB/T16270 |
| Thickness |
3-400mm |
| Width |
100-4800mm |
| Length |
100mm-25000mm |
| Surface |
Black painted,PE coated,Galvanized,color coated,etc |
| Delivery States |
Heat treatment facilities for hot-rolled, controlled rolling, normalizing, annealing, tempering,
quenching, normalizing plus tempering, quenching and tempering, |
| |
and other delivery states are
available as customers’ requirement. |
| Tests |
HIC, SSC, SPWHT, Macrostructure, detection of defects,Hardness and DWTT test and |
| |
en10204/3.1 certificate are also available. |
|
Package |
Standard export seaworthy package,suit for all kinds of transport,or as required. |
| Container |
20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) |
| Size |
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) |
| |
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) |
|
Bulk Size |
Any size |
| Price term |
Ex-Work,FOB,CNF,CFR,CIF,etc
|
| Export to |
Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,
Thailand, |
| |
Brazil,
Korea,Iran,India,Egypt,Oman,Malaysia,Angola,etc |
| Application |
Widely appplied in wind
power, bridges, vehicles, ships, construction, pressure vessel and
so on. |
| Contact |
|
|
Process
Flow |
 
|
Chemical composition and Mechanical performance
|
|
|
|
C |
Mn |
Si |
P |
S |
V |
Nb |
Ti |
Al |
Cr |
Ni |
| Q420 |
A |
≤0.20 |
1.00~1.70 |
≤0.55 |
≤0.045 |
≤0.045 |
0.02~0.20 |
0.015~0.060 |
0.02~0.20 |
- |
≤0.40 |
≤0.70 |
| |
B |
≤0.20 |
1.00~1.70 |
≤0.55 |
≤0.040 |
≤0.040 |
0.02~0.20 |
0.015~0.060 |
0.02~0.20 |
- |
≤0.40 |
≤0.70 |
| |
C |
≤0.20 |
1.00~1.70 |
≤0.55 |
≤0.035 |
≤0.035 |
0.02~0.20 |
0.015~0.060 |
0.02~0.20 |
≥0.015 |
≤0.40 |
≤0.70 |
| |
D |
≤0.20 |
1.00~1.70 |
≤0.55 |
≤0.030 |
≤0.030 |
0.02~0.20 |
0.015~0.060 |
0.02~0.20 |
≥0.015 |
≤0.40 |
≤0.70 |
| |
E |
≤0.20 |
1.00~1.70 |
≤0.55 |
≤0.025 |
≤0.025 |
0.02~0.20 |
0.015~0.060 |
0.02~0.20 |
≥0.015 |
≤0.40 |
≤0.70
|
| Brand |
Grade |
Yield point σs,MPa |
Tensile strength |
Elongation |
Longitudinal impact
strength,AkV,J(°C) |
180° Bending test |
| σb |
δ5 |
d=Diameter of apex |
| ≤16 |
>16-35 |
>35-50 |
50~100 |
MPa |
% |
20 |
0 |
-20 |
-40 |
a=Specimen thickness |
| Not less than |
|
Not less than |
≤16 |
>16 |
| Q420 |
A |
|
|
|
|
520~680 |
18 |
|
|
|
|
2a |
3a |
| B |
|
|
|
|
18 |
34 |
|
|
|
2a |
3a |
| C |
420 |
400 |
380 |
360 |
19 |
|
34 |
|
|
2a |
3a |
| D |
|
|
|
|
19 |
|
|
34 |
|
2a |
3a |
| E |
|
|
|
|
19 |
|
|
|
27 |
2a |
3a |
|
