English — Forum #276 (Page 20/145)

1. Effective measures to prevent crack formation at the ends of longitudinal welds in submerged arc welding - HCBBS Forum
2. dew point corrosion - HCBBS Forum
3. An overview of six measures that can effectively reduce equipment failures - HCBBS Forum
4. What are the requirements for valve supply? - HCBBS Forum
5. When should thread milling be used instead of tap machining to create threads? - HCBBS Forum
6. Factors affecting the sensitivity of magnetic particle testing - HCBBS Forum
7. Regarding the pressure release rate after pipeline pressure testing is completed - HCBBS Forum
8. Is a valve needed in front of the natural gas vent valve? - HCBBS Forum
9. Catalytic hydrogenation catalyst - HCBBS Forum
10. Talk about the issues of \"overheating, vaporization, dripping, and leakage\" in equipment” - HCBBS Forum
11. Does anyone know what standard material washer is suitable for SA-307.B anchor bolts? - HCBBS Forum
12. Non-destructive testing of pressure vessel welds - HCBBS Forum
13. Classification, tasks, and implementation steps of equipment inspection - HCBBS Forum
14. What is the function of a double-headed bolt? Why choose a double-headed bolt? - HCBBS Forum
15. Calculate local stress - HCBBS Forum
16. Analysis of the main causes of hydrogenation reactor flange leakage and treatment measures - HCBBS Forum
17. Common Issues in Pressure Vessel Design – Drawing Section 1 - HCBBS Forum
18. The 8 major factors affecting the fatigue strength of metal materials - HCBBS Forum
19. Are there any special requirements for 20Mnmo forgings + stainless steel cladding? - HCBBS Forum
20. Want to download, but no wealth points - HCBBS Forum
21. Form of insulation nails for equipment - HCBBS Forum
22. Three major problems in factory equipment management and corresponding solutions - HCBBS Forum
23. 【Haichuan Equipment Guessing Game】Are a few workers drawing? - HCBBS Forum
24. 【Ten Years of Rapid Development in Chemical Processing Equipment】1443–2023: The World’s First 100,000-ton Deepwater Semi-Submersible Production and Storage Platform - HCBBS Forum
25. The pump is leaking, what should I do? - HCBBS Forum
26. Question: For towers with a nominal diameter of less than 1600 mm, what is the allowable tolerance for the levelness of the entire support ring’s surface in (　　) mm? - HCBBS Forum
27. Process for connecting the heat exchange tubes to the tube sheet in shell-and-tube heat exchangers - HCBBS Forum
28. For container hydrostatic testing, is it necessary to test the level gauge as well? - HCBBS Forum
29. 【Haichuan Equipment Guessing Game】Why are there chains hanging inside? - HCBBS Forum
30. Is the material 904L mentioned in the GB/T14976 standard? - HCBBS Forum
31. What are torsional shear high-strength bolts? - HCBBS Forum
32. What is dew point? - HCBBS Forum
33. Basic analysis of steel fracture - HCBBS Forum
34. What on earth is the circumferential axial force of bolted connections in steel structures? Is it true that the tighter the fastening, the better? - HCBBS Forum
35. Safety valve calculation regulations - HCBBS Forum
36. Analysis of the causes of defects in ductile iron castings - HCBBS Forum
37. Ultrasonic flaw detection and defect identification - HCBBS Forum
38. Application of Solex heat exchange plates - HCBBS Forum
39. Summary of Key Technologies and Methods for Zero Discharge of High-Salt Wastewater - HCBBS Forum
40. Q&A on Tubular Heating Furnace Technology [11] - HCBBS Forum
41. What is dew point, and why is it necessary to measure it? - HCBBS Forum
42. Is an ultrasound examination required within the reinforcement area of the embedded fitting? - HCBBS Forum
43. Introduction to the usage specifications for bolts, nuts, and washers - HCBBS Forum
44. Basic knowledge of welding procedure qualification - HCBBS Forum
45. 9 Key Considerations for Material Selection of Horizontal Multi-stage Centrifugal Pumps - HCBBS Forum
46. When welding titanium pressure vessels, preheating is generally not performed; during multi-layer welding, the inter-layer temperature should not exceed ( ). - HCBBS Forum
47. Bolts: 35CrMo 20613-2009; Nuts: 6175 - HCBBS Forum
48. Introduction to Q345 material - HCBBS Forum
49. Common issues in the design criteria for chemical industry static equipment - HCBBS Forum
50. Water hammer caused by pump shutdown is very harmful; how to protect against it? - HCBBS Forum
51. Utilization of post-forging residual heat - HCBBS Forum
52. Heat treatment states of commonly used valve stems - HCBBS Forum
53. How to manage equipment lubrication? - HCBBS Forum
54. Re-inspection requirements for grade 4 stainless steel forgings! - HCBBS Forum
55. Why should galvanized fasteners not be used in compressed components? - HCBBS Forum
56. Friction angle μ of SW6 clamp structure - HCBBS Forum
57. Why is acid cleaning followed by alkali cleaning in reverse osmosis cleaning? - HCBBS Forum
58. Can welders and plumbers hold both GC1 qualifications for pressure pipelines? - HCBBS Forum
59. Welding quality control for pipes and containers - HCBBS Forum
60. AQ6111-2023 Safety Management Specifications for Personal Protective Equipment - HCBBS Forum
61. Differences between carbon steel and stainless steel - HCBBS Forum
62. What are the key points of equipment management? - HCBBS Forum
63. The application of ultrasonic testing technology in non-destructive testing - HCBBS Forum
64. What is an expansion tank? - HCBBS Forum
65. Service life of simple pressure vessels - HCBBS Forum
66. Are there any requirements regarding the height of the upper and lower V-grooves in an X-shaped groove? - HCBBS Forum
67. Detailed explanation of dew point corrosion - HCBBS Forum
68. Titanium Alloy Welding Guidelines and Custom Fabrication Practices - HCBBS Forum
69. Excuse me, if the lower cover of the tower is a flat cover that is placed directly on the concrete floor, how should the calculation be done? - HCBBS Forum
70. Does 15CrMo have a brittle transition temperature? - HCBBS Forum
71. How to ensure safety during equipment maintenance? - HCBBS Forum
72. Boiler water redness treatment - HCBBS Forum
73. Hot rolling and cold rolling - HCBBS Forum
74. The 8 major factors affecting the fatigue strength of metal materials - HCBBS Forum
75. Issues related to the calculation of RJ flanges for non-standard equipment - HCBBS Forum
76. Installation and selection of flame arrestors - HCBBS Forum
77. Working principle of impeller mechanical seals on various types of reaction kettles - HCBBS Forum
78. Pressure adjustment and operating procedures for safety valves - HCBBS Forum
79. Manufacturing process and welding process for composite steel plate pressure vessels - HCBBS Forum
80. What are the holes in the plug for? - HCBBS Forum
81. What is the difference between centrifugal pumps and axial flow pumps? - HCBBS Forum
82. Welding material data sheet on the mechanical properties of the deposited metal in the heat-treated and welded states - HCBBS Forum
83. The effect of pickling and passivation on stainless steel welds - HCBBS Forum
84. Knowledge points on welding technology - HCBBS Forum
85. Calculation of saddle material - HCBBS Forum
86. Guys, is there any video tutorial from HTRI? - HCBBS Forum
87. Bending forming of pipes in pressure vessels - HCBBS Forum
88. Maximum diameter of steel-lined PTFE equipment - HCBBS Forum
89. Methods for dealing with leaks in shell and tube heat exchangers - HCBBS Forum
90. Start of centrifugal blower - HCBBS Forum
91. How to balance the axial thrust of a water pump? - HCBBS Forum
92. I would like to ask how to calculate the horizontal seismic force on large storage tanks in their empty condition - HCBBS Forum
93. How can we prevent the recurrence of flange leakage accidents in refining and petrochemical plants? - HCBBS Forum
94. Q&A on Tubular Heating Furnace Technology [9] - HCBBS Forum
95. What is solution crystallization? - HCBBS Forum
96. How to measure the groove angle of the welding inspection ruler. - HCBBS Forum
97. Technical Instructions for the Construction of Vertical Cylindrical Welded Steel Storage Tanks - HCBBS Forum
98. Response to the issue of fuse plug blockage - HCBBS Forum
99. Summary of experience in chemical engineering design - HCBBS Forum
100. Comparison of differences between TIG, MIG, and MAG welding - HCBBS Forum