BHW35-87 Super high pressure boiler steel plate

BHW35-87 Super high pressure boiler in West Germany Thyssen Company

Gangsteel Project in BHW35-87 Super high pressure boiler steel plates

1, scope of

1.1 the conditions equivalent USES Germany thyssen company "with high temperature welding structure steel plate BHW35 (13 MnNiMo54)-87.6 and technical conditions", it is suitable for manufacturing boiler equipment, pressure vessel and its component with thickness of 16 to 150 mm steel plates.

1.2 for steel temperature not over 400 ℃ of various components, such as boiler drum, pressure vessel, wave tube and its components.

2, size, shape, weight and deviation should be allowed to meet the provisions of GB709-88 standard.

3, technical requirements

3.1 chemical composition

The chemical composition of steel (melting analysis %) shall conform to the provisions of the table 1.

Wt%              Table 1

3.2 delivery status

3.2.1hot-rolled state delivery. The heat treatment (normalizing + tempering)

3.2.2hot-rolled + high temperature firing back. The heat treatment (normalizing + tempering)

3.2.3normalizing + high temperature firing back

3.3 mechanical properties

3.3.1steel plate tensile, xabi impact test should comply with the regulations of the table 2.

Table 2

    Note: 0 ℃ V typeis allowed in the impact test a sample is lower rating, but may not be less than 70% of the rating.