This standard is applicable to alloy steel and non-alloy steel with sulfur content less than 0.1%. Steel with sulfur content higher than 0.1% can also be tested, but very dilute sulfuric acid solution must be used. This standard can also be used for cast iron. This standard uses silver salt and sulfuric acid as a macroscopic inspection method for steel by contact imprinting (Baumann method). GB/T 4236-1984 Sulfur imprint inspection method for steel GB/T4236-1984 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Test Method for Sulfur Printing of Steel
gteel-Exsninatlon by su pbur prlnt(lanmann Delhod?
UDC 669.14-B20
GB4236-84
This standard is suitable for non-Taiwanese systems with a sulfur content of less than 0.1%. It can also be used for steel containing sulfur significantly higher than 1%. It must be multiplied by the normal light obstacle rate. The standard is difficult to return to the method of ten months. It is not in line with the basic and circumstantial conditions of the people's Republic of China. The average printing method is used as the test method of the city network test. The effectiveness of this standard is verified by the use of the test method||tt| |1 General
1, 1 to the printing of the actual quality of the test, only or printing test results to estimate the content of steel is not appropriate, 1.2 test material can be expected, the standard of light agent change is the most urgent benefit ratio. Some of the limits may affect the test results.
, the previous chemical analysis; some elements of the system in the effect of the change of chemical form, so also to improve the room "safety" design L|| tt||The surface of the specimen and the condition of the cold working may affect the image obtained. .
1. The method used to determine the results obtained will depend on the specific conditions. Details are specified in the product standards.
z Thickness and thickness of the print
2.1 The thickness of the print is determined by the thickness of the paper. The thickness of the print is determined by the thickness of the paper.
2. The change of the chemical composition of the emulsion to the actual chemical composition will show the exact characteristics of the print. 2.a By analyzing the distribution and amount of the chemical components determined by this method, the degree of damage (e.g., easy to cut) and the degree of change (e.g., easy to cut) of the film can be determined. The previous decision can be used to distinguish between: band-bonded steel and induced steel, and can also be used to The financial bull must run to reach (such as machine performance test] or extract analysis to solve the position can be used.
3 sample
Wu test in the product point product design within the two lines: often for the design, steel and mesh steel samples, a micro vertical this universal average ball ratio or out of the receiving side if it is indeed more than the table and will be active. 3.1 take the column
,: standard user no!! Body specification, design test the whole mother position quantity industry Chinese release business, when the time and method for identification system, still rotten inspection west through transportation away and:
. Create six central miscellaneous you produce color Asia to make the new area of ​​production transfer heat system, h. For the will be in the north, the receiving effect or tempering flame cutting. aR mechanical processing
, 2.1 let the sample table three stations to stop the possession of the quality is important. A teaching requirement such as to re-adjust. The flow of machine 1 is as follows:
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use. When teaching:
correct the letter adjustment improperly, the result of cutting too deep mole. This new shell, good quality, the production of energy reduction is small 9, one can use 6, the muscle is lighter than the training, the iron:
high light consumption year phase seat fixed test quality emotion, add the attempt not 4 over material and 4.1 The best choice of printing agent is the surface quality and surface quality of the surface. When the surface quality is relatively good, the agent should be used on the core 2 washes
421 girl, its volume is changed by one amount (1) 4,
, 22 results can be avoided with the degree of the ground, to obtain a different smooth research bacteria. 2 Fixing method
Commercial fixing concentrated plate 15~2% chaotic European acid rail treatment liquid. Test sequence
5.1 Annual production from the beginning to grab low 4.1) quantity of people outside the horse's night in 4.2).5.2
In the risk of legal affairs more random degree, put the moisturized resist the light-sensitive heavy period to the qualified surface person, wear the car level river section, when the sample I small, can be used to put the sample on the heart of the paper that has been exposed to light acid, use this method to compensate for the need to supply Xun paper! The samples are in contact with each other at a low speed, and no slip occurs. If necessary, the test objects can be used to improve the melting. 5. To ensure the quality of the product, the sample should be in contact with the test object at a low speed, and the flow should be reduced. 5.4 You can consider the existing registered materials with controlled certification (chemical certification points) and also check the type of fast trap in advance, design, etc.
5.5 Hold the sweep and put it into the absolute water rinse for 1n, then touch the fixing (4.3) in the groove without more than m. Then on the mountain i,. wwW.bzxz.Net
The need for further work except 5 on
6 Wu test report
The test report includes the following:
The dangerous sodium science
Powder coating to your world:
Test results channel.
Reduction instructions:
Standard equipment and metallurgical workers proposed in the north.
The chief of the alliance made a public white in the event
The second standard confirmed the occurrence of the event.
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