ASTM B498
ASTM B 498-2008
|
Wire diameter |
Permissible
Variation |
Adherence Test |
Stress at 1%
Extension |
Tensile strength |
Elongation in 250mm |
Zinc coating
Class A |
|
|
mm |
mm |
Ration of Mandrel D to Wire D (Dia) |
Class A
|
Class A |
Class A |
mm |
g/ m² |
|
1.60 to 1.90 |
198 |
||||||
|
MPa（min） |
MPa（min） |
%（min） |
|||||
|
1.60 to 2.30 |
+0.04/-0.03 |
3 |
1310 |
1450 |
3.0 |
over 1.90 to 2.30 |
214 |
|
over 2.30 to 3.05 |
+0.05/-0.05 |
4 |
1280 |
1410 |
3.5 |
over 2.30 to 2.70 |
230 |
|
over 3.05 to 3.60 |
+0.08/-0.05 |
5 |
1240 |
1410 |
4.0 |
over 2.70 to 3.10 |
244 |
|
over 3.60 to 4.80 |
+0.10/-0.08 |
5 |
1170 |
1380 |
4.0 |
over 3.10 to 3.50 |
260 |
|
|
|
|
|
|
|
over 3.50 to 3.90 |
270 |
|
|
|
|
|
|
|
over 3.90 to 4.50 |
275 |
|
|
|
|
|
|
|
over 4.50 to 4.80 |
305 |
Raw Material Chemical Specification
|
Element |
Composition % |
|
Carbon |
0.50-0.88 |
|
Manganese |
0.50-1.10 |
|
Phosphorus, Max |
0.035 |
|
Silicon |
0.1-0.35 |
|
Sulfur, Max |
0.045 |