English — Forum #276 (Page 25/145)

1. 【Ten Years of Rapid Development in Chemical Equipment】1413–2024: TSGA’s duplex stainless steel products have received international authoritative certifications - HCBBS Forum
2. Do the weld evaluation reports for dissimilar steels cover the welded joints between them? - HCBBS Forum
3. Causes of motor bearing overheating and solutions - HCBBS Forum
4. Basic knowledge of welding procedure qualification - HCBBS Forum
5. Reason for leaving three threads after tightening the bolt - HCBBS Forum
6. GB/T151 Heat Exchanger Standard Update Plan - HCBBS Forum
7. For equal strength matches, why does ASME use tensile strength as the criterion, while EN uses yield strength? - HCBBS Forum
8. Comprehensive Compilation of Equipment Management Systems (Part 2) - HCBBS Forum
9. Heat exchanger design concept - HCBBS Forum
10. Q&A on Tubular Heating Furnace Technology [16] - HCBBS Forum
11. How to resolve the conflict between production management and equipment management? - HCBBS Forum
12. Special lining for equipment - HCBBS Forum
13. Provisions regarding “full penetration welding” in pressure vessel standards - HCBBS Forum
14. The three stages of equipment installation and commissioning - HCBBS Forum
15. Eight measures to improve equipment utilization - HCBBS Forum
16. Can companies with qualifications for boiler installation also install pressure vessels? - HCBBS Forum
17. Valve definition terms - HCBBS Forum
18. Pressure vessel pressure test and leak test - HCBBS Forum
19. Welding problems of dissimilar steels and solutions - HCBBS Forum
20. ANSYS Structural Analysis of Pressure Vessels and Engineering Examples - HCBBS Forum
21. What is technical disclosure? How to pay? - HCBBS Forum
22. Corrosion of equipment beneath the insulation layer – how to address this hidden problem? - HCBBS Forum
23. How to prevent cold cracks - HCBBS Forum
24. Design principles for SIS safety instrumented systems (ESD emergency shutdown systems) - HCBBS Forum
25. Pressure adjustment and operating procedures for safety valves - HCBBS Forum
26. Impact sampling at the isolation layer location - HCBBS Forum
27. Regarding the fixed-type nozzle, setting of the UT inspection range for laminar tearing in the shell base metal - HCBBS Forum
28. Welding process for the gasket ring between the head and the cylinder of pressure vessels - HCBBS Forum
29. Tianjin University has developed a super-strong aluminum alloy capable of withstanding 500°C - HCBBS Forum
30. Methods for determining austenite grain size - HCBBS Forum
31. Welding of dissimilar metals - HCBBS Forum
32. Common corrosion sites in tower equipment - HCBBS Forum
33. 【New Head Standards】Forming methods and heat treatment for austenitic stainless steel heads - HCBBS Forum
34. Standard vibration value for water pumps, in mm/s - HCBBS Forum
35. Seven steps and three phases for carrying out autonomous maintenance in equipment management - HCBBS Forum
36. Numbers and letters on bolts: their meaning and uses - HCBBS Forum
37. Saturated steam and superheated steam - HCBBS Forum
38. Why is it difficult to open and close large-diameter valves? - HCBBS Forum
39. 【Help】How to design a horizontally rotating lid-opening mechanism - HCBBS Forum
40. Cause analysis of common welding defects and preventive measures - HCBBS Forum
41. The risks associated with hydrogen use cannot be ignored in hydrogen peroxide systems - HCBBS Forum
42. Welding of austenitic stainless steel - HCBBS Forum
43. Contents and control measures for on-site management in chemical plants - HCBBS Forum
44. Introduction and Classification of Superalloys - HCBBS Forum
45. Features and key operating points of CO2 shielded welding - HCBBS Forum
46. Classification of pressure vessels - HCBBS Forum
47. Comparison of welding properties between low-carbon steel and high-carbon steel - HCBBS Forum
48. Using the ASME standards, when calculating the MAWP of a device, is it necessary to use UG44(b) for calculating the flanges? - HCBBS Forum
49. Does TSG 07-2019 specify that Pressure Vessel Manufacturing License Class D covers Category 3 vessels? - HCBBS Forum
50. Common processing techniques such as stamping, rolling, and bending, as well as the causes, impacts, and preventive measures for their defects - HCBBS Forum
51. Why is the allowable stress for 35CrMoA in ASME so low? - HCBBS Forum
52. Is the airtightness test of the filtration separator performed after the level gauge is installed on the equipment? - HCBBS Forum
53. Distillation column refluxer - HCBBS Forum
54. Classification of pipes and containers - HCBBS Forum
55. High-pressure flange design - HCBBS Forum
56. I would like to ask: What are the welding materials for manual arc welding and TIG welding of material ASTM B564-NO4400? Thank you. - HCBBS Forum
57. Is there any remedy for broken reinforcement bars in atmospheric-pressure steel sinks? - HCBBS Forum
58. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 1577 to 2024: The eighth-generation domestic cold hydrogenation reactors were put into large-scale use - HCBBS Forum
59. Let’s discuss what special designs are present in current valve design. - HCBBS Forum
60. Weldability of welding materials and surfacing process evaluation - HCBBS Forum
61. Is stress verification required for ASME hydrotesting? - HCBBS Forum
62. What materials should be chosen for a reactor designed to operate at 550°C? - HCBBS Forum
63. Precautions for using bolts made of 304 and 316 materials - HCBBS Forum
64. Four steps for motor selection - HCBBS Forum
65. What is the structural form of pipe heat tracing for horizontal equipment? - HCBBS Forum
66. Why does SW6 not need to consider corrosion allowance when calculating the wall thickness of heat exchange tubes? - HCBBS Forum
67. Is heat treatment required for the heat exchanger tube box made of composite panels? - HCBBS Forum
68. Classification of valve operating temperatures - HCBBS Forum
69. What is an asynchronous motor? What is a torque motor? What are the differences between them? - HCBBS Forum
70. Method for determining the external safety protection distance for hazardous chemical production units and storage facilities GBT 37243-2019(1) - HCBBS Forum
71. What is ammonia escape? Why does ammonia escape? - HCBBS Forum
72. Are there any provisions regarding quick-opening pressure vessels in ASME? - HCBBS Forum
73. What are the benefits of pre-tensioning for bearings? - HCBBS Forum
74. What do %LEL, %VOL, PPM, and mg/m3 mean? Common unit conversion relationships and explanations of common terms - HCBBS Forum
75. Questions regarding SW6 calculations - HCBBS Forum
76. Q&A on Tubular Heating Furnace Technology [5] - HCBBS Forum
77. Butane tank diagram - HCBBS Forum
78. Welding of dissimilar metals - HCBBS Forum
79. Causes of porosity during welding with openings under pressure - HCBBS Forum
80. Process package - HCBBS Forum
81. Help: Issue with service life - HCBBS Forum
82. Process for connecting heat exchange tubes to tube sheets in shell-and-tube heat exchangers - HCBBS Forum
83. Difficulties and challenges in pipeline leakage detection in utility tunnels - HCBBS Forum
84. I would like to know what the water cushion layer in oil tanks is used for - HCBBS Forum
85. AQ3058-2023 Safety Specifications for Maintenance of Internal Floating Roof Storage Tanks - HCBBS Forum
86. Do you know about three-phase hydrocyclone separator? - HCBBS Forum
87. Guys, where does the 11 in 5/8–11uNC–2b come from? - HCBBS Forum
88. Composite panel equipment - HCBBS Forum
89. SW6 calculates how longer storage tanks can have additional reinforcement rings to reduce wall thickness - HCBBS Forum
90. Causes of welding \"heat cracks\" and preventive measures - HCBBS Forum
91. What materials are suitable for storage tanks and pipes containing 50% alkaline solution? - HCBBS Forum
92. What are the typical welding defects? - HCBBS Forum
93. How to drain an external floating roof tank - HCBBS Forum
94. Introduction to Heat Treatment of Steels for Pressure Vessels - HCBBS Forum
95. Current application status of heat exchangers in petroleum refining and chemical manufacturing - HCBBS Forum
96. Basic knowledge of welding procedure qualification - HCBBS Forum
97. Welding of dissimilar metals - HCBBS Forum
98. Construction plan for the modification of non-standard equipment - HCBBS Forum
99. What is the purpose of the bottom bolt hole (bolt) in the biconical seal ring? - HCBBS Forum
100. Why are screws mostly tightened clockwise? - HCBBS Forum