1 Scope
This part specifies technical requirements, testing method, marking, packaging, transport and storage of painting equipment weldment.
This standard is applicable to painting equipment weldment made of carbon steel, common low-alloy structural steel, heat resistant steel and stainless steel in manual or automatic arc welding, gas shielded welding and gas welding.
This standard is not applicable to pressure vessels.
2 Normative References
The following normative documents contain provisions which, through reference in this part of JB/T 10394, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications are not applicable to this part. However, the parties who enter into agreement according to this part are encouraged to research whether the latest editions of these documents may be applied or not. For undated references, their latest editions are applicable to this part.
GB/T 324-1988 "Welds - Symbolic Representation on Drawings" (eqv ISO 2553: 1984)
GB/T 983-1995 "Stainless Steel Covered Electrodes" (neq ANSI/AWS A5.4: 1992)
GB/T 985-1988 "Basic Forms and Sizes of Weld Grooves for Gas Welding, Manual arc Welding and Gas-shielded Arc Welding"
GB/T 3375 "Welding Terminology"
GB/T 5117-1995 "Carbon Steel Covered Electrodes" (neq ANSI/AWS A5.1: 1991)
GB 50205-1995 "Code for Construction and Acceptance of Steel Structure Engineering"
GB 50236-1998 "Code for Construction and Acceptance of Field Equipment, Industrial Pipe Welding Engineering"
JB/T 5000.3-1998 "Heavy Mechanical General Techniques and Standards - Weldment"
3 Terms and Definitions
For the purpose of this part of JB/T 10394, the terms and definitions established in GB/T 3375 apply.
4 General Requirements
4.1 The weldment shall be manufactured in accordance with design drawing, technology document and this part.
4.2 The painting equipment project construction shall comply with this part and current relevant standards and regulations of the nation.
4.3 The welder engaged in the welding of painting equipment shall be tested and certificated before the operation of welding. The certificate shall be indicated with welding conditions and valid period. The welder shall be reassessed if he or she stops welding for over 6 months.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirements
5 Parent Metal of Weldment
6 Cutting
7 Sizing and Edge Processing of Steels
8 Forming and Bending of Steels
9 Welding Material
10 Welding
10.1 Preparation before Welding
10.2 Pre-heating before Welding
10.3 Welding
11 Welds
12 Inspection
13 Marking, Packaging, Transport and Storage
13.1 Marking
13.2 Packaging
13.3 Transport and Storage
Figure 1 Dislocation e of Cylinder Suture
Figure 2 Outside Diameter and Bending Radius of Pipes
Figure 3 Plate Splicing
Figure 4 Groove Type for Plate Splicing
Figure 5 Splicing Type of Profiles
Figure 6 Nominal Dimension of Angle and Its Reference Point
Table 1 Dimensional Deviation of Materials mm
Table 2 Geometric Tolerance of Sized Steels mm
Table 3 Dimension Allowance of Bent and Sized Cylinder mm
Table 4 Pre-heating of Common Steels before Welding
Table 5 Allowable Deviation for Welded Connection and Assembly
Table 6 Tolerance for Straightness, Flatness and Parallelism of Weldment mm
Table 7 Dimension Limit Deviation for the Length with Unnoted Tolerance mm
Table 8 Limit Deviation for the Angle with Unnoted Tolerance mm
Table 9 Accuracy Grades of Dimension, Angle and Geometric Tolerance of Welding Structural Member
