G/TBT/N/THA/504  
 
19 December 2017  
(17-7089) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member: THAILAND   
If applicable, name of local government involved (Article 3.2  and 7.2):   
2. Agency responsible: Thai Industrial Standards Institute (TISI), Ministry of Industry  
Name and address (including telephone and fax numbers, email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
WTO/TBT Enquiry Point and Notification Authority,  
Thai Industrial Standards Institute (TISI), Ministry of Industry  
Tel.: (662) 202 3504, 202 3523  
Fax: (662) 202 3511, 354 3041  
E-mail: thaitbt@tisi.mail.go.th   
Website: http://www.tisi.go.th   
3. Notified under Article 2.9.2 [X], 2.10.1 [  ], 5.6.2 [X], 5.7.1 [  ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable): 
ICS 77.140.50  
5. Title, number of pages and language(s) of the notified document: Draft Thai 
Industrial Standard for Hot -dip Zinc -Coated Cold Reduced Flat Steel Strips, Sheets and 
Corrugated Sheets (TIS 50 -25XX (20XX)) (29 page(s), in Thai)   
6. Description of content: The Thai Industrial Standards Institute (TISI) has proposed to 
withdraw TIS 50 -2548 : Hot -dip Zinc-coated Cold -rolled Steel Coil, Sheet and Corrugated 
Sheet and  replace it with TIS 50 -25XX : Hot-dip Zinc -Coated Cold Reduced Flat Steel 
Strips, Sheets and Corrugated Sheets as a mandatory standard.  
This standard applies to  
 Hot-dip zinc -coated cold re duce flat steel being zinc -coated by dipping in the 
surface of molten zinc containing not less than 97% of zinc in percentage by mass, 
made by cold reduced flat carbon steel only and may be processed by the chemical 
process, oil coating, for being appropri ate to its more applicable to work.  
 Zinc-coated cold reduced flat steel coil, strip and sheet with maximum thickness of 
1.80 mm.  
 Zinc-coated cold reduced flat steel corrugated sheet with the nominal thickness of 
0.11 mm; the nominal pitch and depth of 76 mm. and 18 mm. (large corrugated 
sheet), 32 mm. and 9 mm. (small corrugated sheet).  
The standard specifies scope, definitions, types, grades and surface finishes, dimensions 
and normative tolerances, chemical compositions, requirements, marking and labelli ng, 
sampling and criteria for conformity, and testing.  G/TBT/N/THA/504  
 
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  7. Objective and rationale, including the nature of urgent problems where 
applicable: Safety  
8. Relevant documents:   
 AS/NZS 1365 -1998 Tolerances for flat rolled steel products  
 JIS G 3302 : 2010 Hot-dip zinc -coated steel sheet and strip  
 JIS G 3302 : 2012 Hot -dip zinc -coated steel sheet and strip (Amendment 1)  
 JIS G 3316 : 1987 Shapes and dimensions of corrugated steel sheets  
 JIS H 0401 : 1999 Methods of test for hot dip galvanized coatings  
 TIS 228 -2541 : Pressure Sensitive Adhesive Cellophane Tape  
 TIS 929 -2553 : Rules for Rounding off Numerical Values  
 TIS 2012 -2558 : Cold Reduced Carbon Steel Coil, Strip and Sheet of Commercial 
and Drawing Qualities  
 TIS 2140 -2559 : Cold Rolled Steel Coil Strip and Sheet for Automobiles Uses  
 TIS 2169 Part 1-2555 : Metallic Materials – Vickers Hardness Test – Part 1: Test 
Method  
 TIS 2171  Part 1-2555 : Metallic Materials – Rockwell Hardness Test – Part 1: Test 
Method (Scale A, B, C, D, E, F, G, H, K, N, T)  
 TIS 2172 Part1 -2556 : Metallic Materials – Tensile Testing – Part 1: Method for 
Test at Room Temperature)   
9. Proposed date of adoption:  to be determined  
Proposed date of entry into force:  to be determined  
10. Final date for comments: 60 days from notification  
11. Texts available from: National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:   
WTO/TBT Enquiry Point and Notification Authority  
Thai Industrial Standards Institute  
Tel: (66 2) 202 3504, 202 3523  
Fax: (66 2) 202 3511, 354 3041  
E-mail: thaitbt@tisi.mail.go.th  
Website: http://www.tisi.go.th  
https://members.wto.org/crnattachments/2017/TBT/THA/17_5632_00_x.pdf