MATERIAL GRADE OF BOLTS & NUTS
HIGH AND LOW TEMPERATURE
ASTM A193 / ASTM A320
ASTM A193 GR. B7 (AISI 4140, 4142, 4145)
ASTM A193 GR. B7M (AISI 4140, 4142, 4145)
ASTM A193 GR. B16
ASTM A320 GR. L7 (AISI 4140, 4142, 4145)
ASTM A320 GR. L7M (AISI 4140, 4142, 4145)
ASTM A320GR. L43 (AISI 8740)
ASTM A193/A320 GR. B8 CL. 2 (AISI 304)
ASTM A193/A320 GR. B8 CL. 1
ASTM A193/A320 GR. B8M CL. 2 (AISI 316)
ASTM A193/A320 GR. B8M CL. 1
ASTM A193/A320 GR. B8C CL. 2 (AISI 347)
ASTM A193/A320 GR. B8T CL. 2 (AISI 321)
SUPER HIGH TEMPERATURE &
CORROSION RESISTANCE
ASTM A435 GRADE 660 CLASS A
ASTM A435 GRADE 660 CLASS B
ASTM A435 GRADE 660 CLASS C
ASTM A435 GRADE 660 CLASS D
SUPER DUPLEX UNS S31803
SUPER DUPLEX UNS S32750
SUPER DUPLEX UNS S32760
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ASTM A194 NUTS MATERIAL FOR
ASTM A193 / ASTM A320
ASTM A194 GRADE 2H
ASTM A194 GRADE 2HM
ASTM A194 GRADE 4
ASTM A194 GRADE 7
ASTM A194 GRADE 7M
ASTM A194 GRADE 8 (AISI 304)
ASTM A194 GRADE 8M (AISI 316)
ASTM A194 GRADE 8C (AISI 347)
ASTM A194 GRADE 8T (AISI 321)
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COATING SELECTION
Hot Dip Galvanized (ASTM A153)
Mechanical Galvanized (ASTM B695)
Zinc Electroplated (ASTM B633)
Zinc-Nickel Electroplated (ASTM B841)
Cadmium Electroplated (ASTM B766)
Fluorocarbon coated (Xylan 1070 or Xylan 1424 or XylaR 2)
HOW TO ORDER BOLTS & NUTS
Sample 2 :
Stud bolt & 2 Heavy Hex Nuts ;
3/4" Dia. X 100mm LG ;
ASTM A193 Grade B7 & ASTM A194 Grade 2H ;
Xylar 2 (Base Coated) + Xylan 1424 (Top Coated)
![](http://www.falak.com.my/wp-content/uploads/2019/03/xLogo-Falak_500-1.jpg.pagespeed.ic.eDusWPmF2N.jpg)
Sample 3 :
Hex. Head Bolt & Heavy Hex Nut ;
M16 X 100mm LG ;
ASTM A193 Grade B7 & ASTM A194 Grade 2H ;
Fluorocarbon Coated (Xylan 1424 Blue)
![](http://www.falak.com.my/wp-content/uploads/2019/03/xLogo-Falak_500-1.jpg.pagespeed.ic.eDusWPmF2N.jpg)