Some standard content:
Light Industry Standard of the People's Republic of China
Stainless Steel Utensils
1 Subject Content and Scope of Application
QB/T 1622.7—1992
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of stainless steel kettles. This standard applies to kettles stamped from stainless steel plates, and other kettle bodies, lids and other related parts should also be used as a reference. 2 Reference standards
GB1404 Phenolic molding compound
GB/T3280 Stainless steel cold-rolled steel plate
GB5938 Corrosion resistance test method for metal coatings and chemical treatment layers of light industrial products Neutral salt spray test method GB/T6060.4 Surface roughness comparison sample Polished surface GB/T6062 Wheel method Stylus surface roughness measuring instrument Profile recorder and center line profile method GB9684 Sanitary standards for stainless steel tableware containers QB/T1622.1 Stainless steel utensils III Terminology
QB/T1622.2 Stainless steel utensils product classification QB/T1622.3 Stainless steel utensils inspection rules QB/T1622.4 Stainless steel utensils III, marking, packaging, transportation, storage 3 Terms, symbols, codes
3.1 The terms should comply with the provisions of QB/T1622.1. 3.2 Symbols and codes shall comply with the provisions of Chapter 4 of QB/T1622.2. 4 Product classification
4.1 Product varieties and types shall comply with the provisions of Articles 4.3.2.1 to 4.3.2.4 of QB/T1622.2. 4.2 Specification division
a. Pull in accordance with the provisions of Article 3 and Article 2.5 of QB/T1622.2:, expressed by the outer diameter of the main part of the pot body, the position is centimeters, and the level difference is m. 4.3 Product marking
4.3.1 Product marking shall comply with the provisions of Article 4.3 of QB/T1622.2. 4.3.2 Marking example
A polished ordinary cotton-shaped pot with a capacity of 3L and a factory design serial number of 1: Pot S1-3L QB/T 1622.7
4.4 Structure
The product structure and the names of the main components are shown in the figure below. Approved by the Ministry of Light Industry of the People's Republic of China on November 10, 19923
Implemented on July 1, 1993
5 Technical requirements
QB/T 1622.7
1—Spout; 2—Lid; 3—Button; 4—Beam; 5—Beam seat; 6—Body 5.1 Performance in use
5.1.1 After testing, there shall be no desoldering, desoldering marks or separation defects at welding, spot welding or riveting, and the beam and beam seat shall not be deformed or broken. 5.1.2 After testing, there shall be no water seepage.
5.1.3 After testing, there shall be no rust at the welding. 5.2 Hygiene requirements shall comply with the provisions of GB9684. 5.3 Material requirements
5.3.1 Stainless steel plates shall comply with the requirements of 1Cr18Ni9, 0Cr19Ni9 in GB/T3280, or other grades with performance not lower than the above requirements.
5.3.2 Bakelite accessories shall comply with the requirements of PF2A, PF2Az in the general (A) category in GB1404, or other materials with performance equivalent to the above requirements.
5.4 Product quality requirements
5.4.1 Inspection items, grades and quality requirements shall comply with the requirements in the following table. mm
Inspection items
Unqualified classification
Superior products
Cumulative length of the edge
Not allowed
Not allowed
Not greater than
3% of the diameter, other parts not
Outer surface not allowed
1~5, - place
Not allowed
Cumulative length of the edge
Cumulative length of the edge not
Not greater than 6% of the diameter
More than 3% of the diameter,
Other parts not allowed
Outer surface not allowed,
Outer surface length not greater than"
One-third of the height
Not allowed
—, width is 0. 05～
0.20, two
not more than 8, one
the length of the inner surface is not more than
one-half of the diameter, the width is 0.05～
0.20, two
Inspection items
Polished surface roughness
Sanding surface roughness
Symmetry of the pot beam seat
Coordination of the cover and body
Air jet hole area, mm2
Deviation of the two center lines of the spout and the pot beam seat
Coaxiality of the cover and the button
Bakelite accessories
Identification mark
Grade judgment
Unqualified classification
QB/T 1622.7-1992
Superior products
Not allowedwwW.bzxz.Net
Not more than 4, one
Sharp shape is not allowed
Not allowed
R. The maximum allowable value is 0.20, uniform and neat. The maximum allowable value of R. is 1.60, uniform, neat, continuous, tight, smooth, with a gap of no more than 0.20 with the wall
Smooth, no cracks, sharp edges
Not more than 4, two,
Sharp shape is not allowed
Not more than 4, one,
Sharp shape is not allowed
R. The maximum allowable value of is 0.40
R, the maximum allowable value is 3.20
Continuously rolled, the gap with the wall is not more than 0.50 Uniform and flat
No black spots, burrs
No cracks, burrs
Not more than 2% of the diameter
Not more than 3°
Not more than 4% of the diameter
Free to rotate and open and close
Not less than 5
Not more than 5°
No Greater than 1% of the diameter
Not greater than 2% of the diameter
Surface is smooth, fine and clean, without defects such as gaps, bubbles, pores, cracks and obvious discoloration. Correct, no leakage, proper position, clear handwriting, no visible text on the reverse side
Superior products: no more than two C-class unqualified items; Standard products: no more than three C-class unqualified items;
Correct, no leakage, legible handwriting
Qualified products: no more than one B-class and two C-class unqualified items or four C-class unqualified items. 6 Test method
6.1 Specifications
6.1.1 The capacity is measured with a measuring cup or a measuring cylinder, and its value shall comply with the provisions of Article 4.2. 6.1.2 The outer diameter is measured with a steel ruler or a vernier caliper, and its value shall comply with the provisions of Article 4.2. 6.2 Performance in use
6.2.1 Place a weight three times the pure water capacity of the kettle in the kettle, lift it up by the beam or handle for not less than 0.8m, support it statically for 1min, then put it down, repeat 10 times, the result should meet the requirements of Article 5.1.1. 6.2.2 Leakage test
After sealing the kettle as a whole, inject air with a pressure greater than 60kPa, immerse the welding surface completely in water, and observe whether bubbles are generated. The result should meet the requirements of Article 5.1.2.
6.2.3 Corrosion resistance test
QB/T 1622.7—1992
Inspect according to the requirements of GB5938, the spray cycle is 8h, the result should meet the requirements of Article 5.2.3. 6.3 Product quality requirements
6.3.1 The area of wrinkles, pits, cancers and vents shall be measured with a steel tape measure or a vernier caliper, and the values shall comply with the provisions of Article 5.4.1. 6.3.2
Scratches shall be measured with a steel tape measure and a feeler gauge, and the values shall comply with the provisions of Article 5.4.1. Surface roughness shall be checked in accordance with GB/T6062 or GB/T6060.4, and the results shall comply with the provisions of Article 5.4.1. 6.3.3
Edges shall be measured by visual inspection, manual touch and feeler gauge, and the results shall comply with the provisions of Article 5.4.1. 6.3.4
Welds, spot welding, rivets and identification marks shall be measured by visual inspection and manual touch, and the results shall comply with the provisions of Article 5.4.1. Symmetry of the pot beam seat: Use a steel tape measure to measure the inner circumference of the pot body between the pot beam seats, and the half difference shall comply with the provisions of Article 5.4.1. 6.3.6
The fit between the lid and the body, the rotation and opening and closing of the lid after closing it, and its requirements shall comply with the provisions of Article 5.4.1. 6.3.8 The deviation of the center line of the spout and the pot beam seat is first measured by passing a steel ruler through the two center lines of the pot beam seat and placed on the plane of the pot mouth, and then a template with a given angle is used to observe the central angle between the two center lines of the spout and the pot beam seat. The result shall comply with the provisions of Article 5.4.1. 6.3.9 The coaxiality of the lid and the pot knob is measured with a vernier caliper, and its calculated value shall comply with the provisions of Article 5.4.1. The formula for calculating the coaxiality of the lid and the pot knob is:
Where: D-the outer diameter of the lid,mm;
(Lain+number
Lnin—the minimum distance from the edge of the lid to the lower end of the pot knob, mm; D—the diameter of the lower end of the pot knob, mm.
6.3.10 Bakelite accessories shall be inspected by visual inspection, hand touch and boiling in water for 30 minutes, and the results shall comply with the provisions of Article 5.4.1. 7 Inspection rules
Should comply with the provisions of QB/T1622.3.
8 Marking, packaging, transportation and storage
Should comply with the provisions of QB/T1622.4.
Additional remarks:
This standard was proposed by the Quality Standards Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Daily Hardware Standardization Center. This standard was drafted by Tianjin Stainless Steel Ware Factory, Shanghai Stainless Steel Ware Factory, Guangdong Yangjiang Stainless Steel Ware III General Factory and Liaoning Fushun Stainless Steel Products Industrial Company.
The main drafter of this standard is Wang Shulin.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.