This standard specifies the specimen preparation, test method and approval standard in the mechanical test for welding joints of boiler pressure parts.
This standard is applicable to the butt joints of the pressure parts of stationary boiler.
The mechanical test specified in this standard includes the tensile test (at normal temperature and high temperature), bend test and normal-temperature impact test.
1 Subject Content and Application Scope
2 Normative References
3 Specimen Preparation
3.1 Test Specimen
3.2 Test Item
3.3 Test Coupon and Specimen
4 Normal-temperature Tensile Test
4.1 Sample Size
4.2 Test Method
4.3 Acceptance Criterion
5 Tensile Test at Elevated Temperature
5.1 Sample Size
5.2 Test Method
5.3 Acceptance Criterion
6 All-weld Metal Tensile Test
6.1 Sample Size
6.2 Test Method
6.3 Acceptance Criterion
7 Bend Test
7.1 Sample Size
7.2 Test Method
7.3 Acceptance Criterion
8 Normal-temperature Impact Test
8.1 Sample Size
8.2 Test Method
8.3 Acceptance Criterion
9 Test Result
9.1 Assessment
9.2 Record
Additional Explanations:
The No. 1 amendment of JB/T1614-1994 "Boiler Pressure Parts Mechanical Test For Welded Joints"
