Some standard content:
Light Industry Standard of the People's Republic of China
Stainless Steel Utensils III
1 Subject Content and Scope of Application
QB/T 1622.5—1992
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of stainless steel pots. This standard applies to pots formed by stamping of stainless steel plates, and the body, lid and other related parts of other stainless steel pots should also be used as a reference. 2 Reference standards
Surface roughness parameters and their values
GB/T1031
GB1404 Phenolic molding compounds
GB/T3280 Stainless steel cold-rolled steel plate
GB/T6060.4 Surface roughness comparison specimen Polished surface GB/T6062 Profile method Stylus surface roughness measuring instrument Profile recorder and center line profile method GB9684 Hygienic standards for stainless steel tableware containers QB/T1622.1 Terminology for stainless steel utensils
QB/T1622.2 Classification of stainless steel utensils products QB/T1622.3 Stainless steel utensils
Inspection rules
QB/T1622.4 Marking, packaging, transportation and storage of stainless steel utensils 3 Terms, symbols and codes
3.1 The terms shall comply with the provisions in 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 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
Should comply with the provisions of Article 4.3.2:5 of QB/T1622.2; a.
b. Expressed by the pot body diameter, starting from 12cm, with a step difference of 2cm. 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
Capacity 3L Polished ordinary half-depth straight pot with factory design serial number 1. Pot Q1-3IQB/T1622.5
4.4 Structure
The product structure and parts names are shown in the figure below.
Approved by the Ministry of Light Industry of the People's Republic of China on November 10, 1992 and implemented on July 1, 1993
5 Technical requirements
5.1 Performance
0B/T1622.5-1992
1-pot button; 2-pot cover; 3-pot handle; 4-pot body 5.1.1 After testing, the pot handle assembly shall not be deformed or broken. 5.1.2 After testing, there shall be no defects such as desoldering, desoldering marks, water seepage, separation, etc. at the spot welding or riveting. 5.2 The hygiene requirements shall comply with the provisions of GB9684. 2
5.3 Material requirements
5.3.1 Stainless steel plates shall comply with the 1Cr18Ni9, 0Cr19Ni9 grades specified in GB/T3280 or other grades with performance not lower than that specified above.
5.3.2 Bakelite fittings shall comply with the PF2A, PF.A grades specified in the general (A) category of GB1404 or other materials with performance equivalent to that specified above.
5.4 Product quality requirements
Inspection items, grading and quality requirements shall comply with the provisions of the following table. 5.4.1
Qualified
Serial number Inspection itembzxz.net
Superior product
Not allowed
Not allowed
Not allowed
Not allowed
The cumulative length at the edge is not large
Qualified product
The cumulative length of the edge is not
greater than 4% of the diameter, and the rest is
greater than 2% of the diameter, other
parts are not allowed
The length of one inner wall strip is not
greater than half of the height, and the width
Other parts are not allowed
The length of two inner wall strips or the bottom of the pot is not
greater than half of the height 0.05~0.20, other parts are allowed. Width 0.05～
Not allowed
1～5,
not more than 4, one, sharp
not allowed
0.20, other parts are not allowed
not more than 8, one
The cumulative length of the edge is not
greater than 2% of the diameter, other parts are not allowed
The inner surface is not longer than
Larger than half of the diameter,
width 0.05~0.20, other
parts are not allowed
not larger than 4, two places, sharp
shape is not allowed
not larger than 4, places, sharp
shape is not allowed
Inspection items from
Polished surface
roughness, μum
Sanded surface
roughness, μm
unqualified
Cutting and pressing
Symmetry of pot handle
Coordination between lid and pot
Coaxiality between lid and pot
Bakelite accessories
Identification mark
Grade judgment
Superior product
QB/T1622.5
R. The maximum allowable value is 0.20, uniform, neat and scratch-free
R, the maximum allowable value is 1. 60, uniform, neat, continuous, tight and smooth, with a gap of no more than 0.20 with the wall, smooth, no cracked edges, sharp edges, no black spots, burrs, no cracks, burrs, no more than 2% of the diameter, no more than 2% of the diameter, free to rotate and open and close, no more than 2% of the diameter, no more than 2% of the diameter, no more than 2% of the diameter, free to rotate and open and close, no more than 2% of the diameter, no more than 2% of the diameter, no more than 2% of the diameter, R. The maximum allowable value is 0.20 R. The maximum allowable value is 1.60
Continuously rolled, the gap with the wall is not more than 0.50 not more than 3% of the diameter
not more than 1% of the diameter
The surface is smooth and clean, without defects such as gaps, bubbles, pores, cracks and obvious discoloration. Correct and leak-free, proper egg placement, clear handwriting, no visible text on the back
Superior products: no more than one C-class unqualified
Correct and leak-free, legible handwriting
·Qualified products: no more than two C-class unqualified items; qualified products: no more than one B-class unqualified, one C-class unqualified or three C-class unqualified items. 6 Test method
6.1 Specifications
6.1.1 The capacity is measured with a measuring cup or a measuring stick, and its value shall comply with the provisions of Article 4.2. 6.1.2 The 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
Place a magnetic code weighing three times the pure water capacity of the pot in the pot, lift it up with the pot handle and hold it still for 10 minutes at a height of not less than 0.8m, then take out the magnetic code and conduct a 10-minute full water test. The result shall comply with the provisions of Article 5.1. 6.3 Product Quality Requirements
6.3.1 The values of wrinkles, pits and cancer measured with a steel tape measure or vernier caliper shall comply with the provisions of Article 5.4.1. 6.3.2 The values of scratches measured with a steel tape measure and a feeler gauge shall comply with the provisions of Article 5.4.1. 6.3.3 The roughness of the polished surface and the roughness of the sanded surface 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.
6.3.4 The edges shall be measured by visual inspection, hand touch and feeler gauge, and the results shall comply with the provisions of Article 5.4.1. 361
QB/T 1622.5--- 1992
6.3.5 Spot welding, riveting and identification marks shall be measured by self-viewing method and hand touch method, and the results shall comply with the provisions of Article 5.4.1. 6.3.6 The symmetry of the pot handle shall be measured by a steel tape measure on the inner circumference of the pot body between the two pot handles, and the half difference shall comply with the provisions of Article 5.4.1. 6.3.7 The fit between the lid and the pot body, the rotation after closing the lid and the opening and closing of the lid shall comply with the provisions of Article 5.4.1. 6.3.8 The coaxiality of the pot lid and the pot knob shall be measured by a vernier caliper, and the calculated value shall comply with the provisions of Article 5.4.1. Formula for calculating the coaxiality between the pot cover and the pot knob: f
Coaxiality, mm;
Where: f——
-outer diameter of the pot cover, mm;
Lmin—minimum distance from the edge of the pot cover to the lower end of the pot knob, mm; (Lmi
d diameter of the lower end of the pot knob, mm.
6.3.9 Bakelite accessories are inspected by visual method, hand touch method and after boiling in water for 30 minutes. The results shall comply with the provisions of Article 5.4.1. Inspection rules
shall comply with the provisions of QB/T1622.3.
8 Marking, packaging, transportation, storage
shall comply with QB/T1622.4.
Additional Notes:
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 Shanghai Stainless Steel Utensils Factory, Guangdong Yangjiang Stainless Steel Utensils General Factory, Liaoning Fushun Stainless Steel Products Industrial Company, and Tianjin Stainless Steel Utensils Factory.
The main drafter of this standard is Zang Baixin.
This standard refers to the US military specification MIL-S-40044D-1985 "Stainless Steel Long-handled Cooking Pot with Cover". 362
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