Wugang A48CPR GB A48CPR pressure vessel steel plate A48CPR

1. A48CPR brand: material brand is A48CPR in NFA 36-205-82.

2. The thickness deviation of A48CPR steel plate shall meet the requirements of grade C in en10029-1991.

3. The straightness of steel plate shall meet the requirements of class n of common straightness in en10029-1991.

4. A48CPR delivery status

Steel plates shall be delivered in normalized or quenched + tempered, normalized + tempered condition.

5. A48CPR smelting method

Adopt electric furnace + external refining + vacuum degassing to smelt, fine grain killed steel.

6. A48CPR chemical composition:

Brand, analysis type, chemical composition of steel wt%

C Si Mn P

Less than S

Less than AI total

More than Cr

Less than Mo

Less than Ni

Less than

A48CPR

Smelting analysis ≤

0.20 or less

0.50 1

1.60 0.025 0.015 -- 0.25 0.10 0.30

Finished product analysis ≤

0.22 or less

0.55 1

1.60 0.030 0.020 -- 0.25 0.10 0.30

Note: (1) when the thickness is greater than 25mm, Nb ≤ 0.040%, V ≤ 0.050%.

Smelting analysis: < 40mm ＜ Mo ≤ 0.20%, > 40mm Mo ≤ 0.30%, finished product analysis: < 40mm Mo ≤ 0.21%, > 40mm Mo ≤ 0.33%

7. Mechanical and technological properties of A48CPR:

Brand thickness

Mm room temperature tensile property bending test impact test

Yield strength

Reh tensile strength

Rm elongation

A thickness tensile Z

%,≥ b=35mm 0℃ -20℃

MPa ≥ MPa% ≥ average value ≥ minimum value ＜ 180 ℃ Akv, J, ≥

A48CPR

＞6～30 285 470-560 23 - - d=2a 31 -

＞30～50 265 22

＞50～80 265 21

＞80～110 255