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TB/T 1979 steel plate is a standard of grade 09CuPCrNi-A, 05CuPCrNi. These two grades are the most important and widely used in construction projects. TB/T 1979 09CuPCrNi-A steel plate is widely used in vehicle, bridge, tower, container and so on fields.
TB/T 1979 steel plate chemical composition
| Grade |
C |
Si |
Mn |
P |
S |
Cr |
Cu |
Ni |
|
≤0.12 |
0.25-0.75 |
0.2-0.5 |
0.06-0.12 |
≤0.02 |
0.3-1.25 |
0.25-0.5 |
0.12-0.65 |
|
|
≤0.09 |
0.25-0.50 |
0.2-0.5 |
0.06-0.12 |
≤0.02 |
0.3-1.25 |
0.25-0.5 |
0.12-0.65 |
TB/T 1979 steel plate mechanical properties
| Grade |
Thickness |
Yield strength |
Tensile strength |
Elongation % |
|
09CuPCrNi-A |
>4 |
345 |
480 |
24 |
|
≤4 |
310 |
440 |
26 |
|
|
05CuPCrNi |
≤4 |
310 |
440 |
26 |
TB/T 1979 steel plate equivalent grades
| Grade |
USA |
DIN |
JIS |
AFNOR |
BS |
EN |
UNI |
ISO |
|
09CuPCrNi-A |
Gr.1 |
9CrNiCuP324 |
SPA-H |
E36WA3 |
WR50A |
Fe510C1KI |
Fe510C1K1 |
Fe355W-1A |
TB/T 1979 steel plate standard specifies the dimension, shape, weight and allowable deviation of atmospheric corrosion-resistant steel for railway vehicles, steel brand indication method, technical requirements, test method, packaging, mark and quality certificate, etc. TB/T 1979 steel plate standard is applicable to hot-rolled and cold-rolled steel plates, strips and sections of atmospheric corrosion-resistant steel for railway vehicles.
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