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Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.2026-08-26
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SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.2026-08-19
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ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.2026-08-11 -
A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.2026-08-04
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SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.2026-07-31
EN 10028-3 275 NL 1 steel,EN 10028-3 275 NL 1 steel Specification
EN 10028-3 275 NL 1 steel is a weldable fine-grain steel suitable for the fabrication of pressure vessels for pressurised gases and chemicals, industrial boilers, compressors and heat exchangers. EN 10028-3 275 NL 1 steel is intended for use in moderate to high temperature service.
EN 10028-3 275 NL 1 steel characteristic:
1.EN 10028-3 275 NL 1 steel has good strength, it can be made of boilers and components to withstand a certain long-term high temperature stress;
2.EN 10028-3 275 NL 1 steel has good toughness and low effectiveness of the tendency in the use of bending, curling, deformation processing such as cold, after more prolonged storage and use remains a good toughness;
3.EN 10028-3 275 NL 1 steel has good weldability and resistance to intergranular corrosion. For the manufacture of boiler drum, beams and wall panels.
EN 10028-3 275 NL 1 steel Specification:
Thickness: 8mm-300mm
width: 1500mm-4020mm
Length: 3000mm-18000mm
PS: EN 10028-3 275 NL 1 steel plate maximum weight can not beyond 25 tons.
According to the above EN 10028-3 275 NL 1 steel characteristics and needs of users, EN 10028-3 275 NL 1 steel has hot rolled, controlled rolling, normalizing, annealing, tempering, normalizing + tempering, tempering delivery states.
EN 10028-3 275 NL 1 steel Chemical Composition:
|
Element |
Max % |
Element |
max % |
|
C |
0.18 |
Cu |
0.30 |
|
Si |
0.40 |
Mo |
0.08 |
|
Mn |
0.50-1.40 |
N |
0.02 |
|
P |
0.03 |
Nb |
0.05 |
|
S |
0.03 |
Ni |
0.50 |
|
AL |
0.020 |
Ti |
0.03 |
|
Cr |
0.30 |
V |
0.05 |
|
Nb+Ti+V |
0.05 |
|
|
EN 10028-3 275 NL 1 steel Mechanical Property:
|
Grade |
Material |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
|
(mm) |
MPa (min) |
MPa |
% (min) |
||
|
P275Nl1 |
1.0487 |
≤ 16 |
275 |
|
|
|
16 > to ≤35 |
275 |
|
|
||
|
35 > to ≤50 |
265 |
|
|
||
|
50 > to ≤70 |
255 |
370-490 |
23 |
||
|
70 > to ≤100 |
235 |
350-470 |
1) |
||
|
100 > to ≤150 |
225 |
1) |
1) |
||
|
>150 |
390-510 |
24 |
|
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