medium and low temperature pressure vessel steel plate-k8凯发官网
medium and low temperature pressure vessel steel plate
1 main use
it has high strength, good plastic toughness and weldability and is used in the manufacture of pressure vessels such as petroleum storage tanks.
product grade: sa516gr55, sa516gr60, sa516gr65, sa516gr70
2 grades and standards
executive standard: asme sa-516/sa-516m-10
3 technical conditions of supply
3.1 product specifications
6～80×1500～4000×l;
3.2 chemical composition
table 1 chemical composition, %
钢种 | 规格mm | c | si | mn | p≤ | s≤ |
sa516gr55 | ≤12.5 | ≤0.18 | 0.15～0.40 | 0.60～0.90 | 0.035 | 0.035 |
＞12.5～50 | ≤0.20 | 0.60～1.20 | ||||
＞50～100 | ≤0.22 | |||||
sa516gr60 | ≤12.5 | ≤0.21 | 0.15～0.40 | 0.60～0.90 | 0.035 | 0.035 |
＞12.5～50 | ≤0.23 | 0.85～1.20 | ||||
＞50～100 | ≤0.25 | |||||
sa516gr65 | ≤12.5 | ≤0.24 | 0.15～0.40 | 0.85～1.20 | 0.035 | 0.035 |
＞12.5～50 | ≤0.26 | |||||
＞50～100 | ≤0.28 | |||||
sa516gr70 | ≤12.5 | ≤0.27 | 0.15～0.40 | 0.85～1.20 | 0.035 | 0.035 |
＞12.5～50 | ≤0.28 | |||||
＞50～100 | ≤0.30 |
3.3 mechanical properties
table 2 mechanical properties
钢种 | rel,mpa | rm,mpa | a200，% |
sa516gr55 | ≥205 | 380～515 | ≥23 |
sa516gr60 | ≥220 | 415～550 | ≥21 |
sa516gr65 | ≥240 | 450～585 | ≥19 |
sa516gr70 | ≥260 | 485～620 | ≥17 |
3.4 delivery status: hot rolled or normalized