Certificates

WYJ055-2006                       A709M-HPS 485W

1, applicable scope

 The technology conditions apply to no more than 100 mm thickness of A709M-HPS 485 W high strength steel bridge g syndrome of resistance.

2, size, shape, weight and allow deviation

The steel plate size and shape, weight and deviation should be allowed to meet ASTM A6 / A6M rules.

3, chemical composition (melting analysis)

The chemical composition of steel (melting analysis) should be in accordance with table 1.

Table 1    wt%

4、mechanical property

The mechanical properties of the steel plate test results should comply with the provisions of thetable 2table 2      mechanical property

Note: according to need additional Z to performance requirements, Z to performance should comply with the GB5313-85 Z25 regulation, specific specifications and number in indicated in the contract.

5, manufacturing process and delivery status

5.1 steel should be calm steel, in line with the A6 / A6M austenitic grain size requirement;

5.2 the liquid steel must be vacuum processing;

5.3 steel plate to the tempering state delivery.