Intermediate temperature JIS G3115 SPV490 pressure vessel steel plate properties

Pressure vessel steel plate covers a range of steel grades that are designed for use in pressure vessel, boilers, heat exchangers and any other vessel that contains a gas or liquid at high pressures.

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Intermediate temperature JIS G3115 SPV490 pressure vessel steel plate properties

Intermediate temperature JIS G3115 SPV490 pressure vessel steel plate properties

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SPV490 pressure vessel steel plate is hot-rolled steel plate under JIS G3115 standard. With improved welding properties, SPV490 steel plate is mainly for pressure vessels and high-pressure equipment use, high-temperature and low-temperature use not included. The lower limit of SPV490 pressure vessel steel plate thickness is 6mm, and upper limit is 150mm.

Intermediate temperature JIS G3115 SPV490 pressure vessel steel plate chemical composition:


C

Si

Mn

P

S

0.18

0.75

1.60 

0.030 

0.030 

Notes: Alloying elements other than listed in the table is allowed to be added as required.
For SPV490 pressure vessel steel plate without quenching and tempering, the addition of alloy elements shall be negotiated by the supplier and the demander.

Intermediate temperature JIS G3115 SPV490 pressure vessel steel plate carbon equivalent CEV:


Thickness (mm)

≤ 50

> 50 ≤ 75

> 75 ≤ 100

> 100 ≤ 125

> 125 ≤ 150

CEV

≤ 0.45

≤ 0.47

≤ 0.50

≤ 0.53

≤ 0.55

 Intermediate temperature JIS G3115 SPV490 pressure vessel steel plate strength:


Thickness (mm)

≥6 ≤ 50

> 50 ≤ 100

> 100 ≤ 150

Yield strength (≥Mpa)

490

470

450

Tensile strength (Mpa)

610-740

For JIS G3115 SPV490 pressure vessel steel plate with thickness ≤ 60mm, the elongation≥18%; thickness > 16mm,  elongation≥25%; thickness > 20mm,  elongation≥19%.

Generally, the delivery state of SPV490 pressure vessel steel plate is quenching and tempering. However, normalizing is also OK after negotiation between SPV490 steel plate supplier and the demander. After negotiation, if normalizing or quenching and tempering are carried out by the demander, the manufacturer can only conduct such heat treatment on the sample, and the SPV490 pressure vessel steel plate can be delivered in hot rolling state.

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