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Laboratory Services




  Range of Measurement
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Technique Used
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Rate
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Remark
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Chemical Composition Testing
??????????????????????????????

Cold Rolled Steel Sheet
???????????????????????????????????????
C,Mn,Cr,Al,N,P,S,Si,Cu,Ni,Ti In-house method
QW-TP-039 base on
ASTM E 415-08
800 ???/ ????????
(800 B./Sample)
***


Mechanical Properties testing
?????????????????????????????????????????????

?????????????? ( Tension test )        
- Maximum force Load 1kN to 100 kN - TIS 244 Part 5-2525 (1982)
- JIS Z 2241: 2011
- ASTM A 370 - 07a
- ASTM E8 / E 8M-08
400 ???/ ????????
(400 B./Sample)
***
- Tensile strength Load 1kN to 100 kN
- Elongation 0-30 mm.
- Proof stress Load 1kN to 100 kN -TIS 244 part 5-2525 (1982)
- Yield strength Load 1kN to 100 kN - ASTM A 370 - 07a
- ASTM E8 / E 8M-08
- Yield point elongation Load 1kN to 100 kN
???????????????? ( Hardness test )
- Rockwell hardness scale B 1-100 HRB - JIS Z 2245:2011
- ASTM E 18 - 08
- ISO 6508-1 Second edition 2005-12-15
- TIS 244 part3-2520(1977)
300 ??? / ????????
(300 B./ Sample)
***
- Rockwell superficial hardness scale 30T

1-120 HR30T - JIS Z 2245:2011
- ASTM E 18 - 08
- ISO 6508-1 Second edition 2005-12-15
- Vickers hardness

Vicker HV5 - JIS Z 2244:2009
- ISO 6507-1 Third edition 2005-12-15
?????????????????????????????????? (Plastic strain ratio)
- R - value ( module -r ) Thickness 0.4 -1.6 mm. - JIS Z 2254 :1998 300 ???/ ????????
(300 B./Sample)
- R - value ( manual ) Thickness > 0.4 mm. 600 ???/ ????????
(600 B./Sample)
????????????????????? (Erichsen cupping) Thickness 0.4 -2.0 mm. - JIS Z 2247 :1998 300 ???/ ????????
(300 B./Sample)
 


Surface roughness testing and other
??????????????????????????????? ??? ?????

??????????????????? (Roughness test) 0.1 - 3.0 μm. - JIS B-0601 :1994 200 ???/ ????????
(200 B./Sample)
 
??????????????????????? (Thickness) 0-25 mm. (Digimatic Micrometer ) - 100 ???/ ????????
(100 B./Sample)
?????????????????????????????? (Thickness profile) 0-25 mm. (Digimatic Micrometer ) - 350 ???/ ????????
(350 B./Sample)
Oil volume - - 600 ???/ ????????
(600 B./Sample)


Microstructure testing
?????????????????????????????????????

?????????????????????? (Ferrite grain) ????????? (Steel) - JIS G 0552 :1998 2,000 ???/ ????????
(2,000 B./Sample)
 
???????????????????? ( Metal Flow) ????????? (Steel) - 3,000 ???/ ????????
(3,000 B./Sample)
??????????????????? ( Inclusion) ????????? (Steel) - JIS G 0555 :1998 1,500 ???/ ????????
(1,500 B./Sample)


Test reports
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- ??????????? Thai - - 100 ??? (100 B.)  
- ?????????? English - - 100 ??? (100 B.)  


???????? : *** ????????????????????????????????????????????? ISO/IEC 17025:2005 ??? ?????????????????????????????????? ?????????????????
Remark : *** Shown scope of accreditation for testing ISO/IEC 17025:2005 from Thai Industrial Standards Institute, Ministry of Industry
Copyright ? 2013 Thai Cold Rolled Steel Sheet PCL.
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