./.WORLD TRADE
ORGANIZATIONG/TBT/Notif.98.616
17 December 1998
(98-5096)
Committee on Technical Barriers to Trade
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6.
1. Member to Agreement notifying:  THAILAND
If applicable, name of local government involved (Articles 3.2 and 7.2):           
2. Agency responsible:  Thai Industrial Standards Institute, Ministry of Industry
Agency or authority designated to handle comments regarding the notification shall beindicated if different from above:           
3. Notified under Article 2.9.2 [ X ], 2.10.1 [    ], 5.6.2 [    ], 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):  Hot-rolled carbon steel coil
strip plate and sheet for welded structure
5. Title, number of pages and language(s) of the notified document:  TIS 1499-2541 (1998)
Hot-Rolled Carbon Steel Coil Strip Plate and Sheet for Welded Structure (19 pages, Thai
language)
6. Description of content:  The Thai Industrial Standards Institute (TISI) has proposed to
enforce TIS 1499-2541 (1998) as a mandatory standard.  The Standard covers hot-rolled
carbon steel coil strip plate and sheet for welded structures such as bridges, ships, rollingstocks, petroleum storage tanks, containers a nd other constructions.  Classifies the product
into 11 grades.  Specifies mass, dimensions, tolerances on thickness, width and length,
permissible variations, appearance.  Chemical compositions are defined as follows:
unit:  %
Symbol Thickness
(mmm.)CS iM nP S
SM 400 A < 50 0.23 max. - 2.5 x C min. 0.035
max.0.35max.
> 50 to 200 0.25 max.
SM 400 B < 50 0.20 max. 0.35 max. 0.60 to 1.40 0.035
max.0.035 max.
> 50 to 200 0.22 max.
SM 400 C < 100 0.18 max. 0.35 max. 1.40 max. 0.035
max.0.035 max.
SM 490 A < 50 0.20 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
> 50 to 200 0.22 max.
SM 490 B < 50 0.18 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
> 50 to 200 0.20 max.
G/TBT/Notif.98.616
Page 2
6. Description of content: (cont'd)
Symbol Thickness
(mmm.)CS iM nP S
SM 490 C < 100 0.18 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
SM 490 YA < 100 0.20 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
SM 490 YB < 100 0.20 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
SM 520 B < 100 0.20 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
SM 520 C < 100 0.20 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
SM 570 < 100 0.20 max. 0.55 max. 1.60 max. 0.035
max.0.035 max.
Remarks:
1. Alloying elements other than those given in table may be added as necessary.
2. C → Carbon, Si →Silicon, Mn → Manganese, P → Phosphorus, S → Sulphur,
Cu → Copper, Ni → Nickel, Cr → Chromium.
Includes marking, labelling, sampling, criteria for conformity and testing.
7. Objective and rationale, including the nature of urgent problems where applicable:
Consumer protection
8. Relevant documents:           
1. Reference document:
- JIS G 3106-1992 Rolled Steels for Welded Structure;
- JIS G 3193-1990 Dimensions, Mass a nd Permissible Variations of
Hot-Rolled Steel Plates, Sheets and Strip.
2. Publication in which the proposal will be published when adopted:
- Government Gazette.
9. Proposed date of adoption:
Proposed date of entry into force: } To be determined
10. Final date for comments:  60 days from circulation date
11. Texts available from:  National enquiry point [ X ] or address, e-mail and telefax number of
the other body: