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1, this technical agreement applies only to S25-267-1 of the production of the contract, the contract after the end of the agreement to be automatic invalid.
2, the size of the steel plate, appearance and allow deviation
2.1 the size of the steel plate, appearance and deviation should be allowed to meet the provisions of the GB709.
2.2 steel plate roughness should comply with the provisions of the GB709.
3, main technical requirements
3.1 chemical composition
Steel smelting composition should comply with the provisions of the table (wt %).
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.16～0.23 |
0.20～0.40 |
0.20～0.40 |
≤ 0.015 |
≤ 0.010 |
2.30～2.60 |
0.30～0.45 |
3.2 delivery status: the hot rolling.
3.3: mechanical properties
Provide sample after tempering mechanical properties test results.
The inspection items: room temperature tension 1 A (Re, Rm, A, ψ), normal temperature shock.
EN10028-2 P355GH for High-Strength Low-Alloy Columbium-Vanadium Structural Steel EN10025-2 S355J2 Structural St
We export A240 304L Stainless Coil 2B, NO.1 No.4 surface, the thickness 0.1mm to 3mm, 3mm to 22mm, Mother mill
ASTM A516 GR 70 equivalent materials is such as ASME SA516 GR 70, EN 10028 P355GH, and BS1501 224-490 A & B, sh
The astm a516 gr 70 yield strength of 260 MPa ensures structural integrity in high-pressure applications, such
