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High Quality Wire Products for Prestressing and
Post-Tensioning Applications
For more
than 20 years, The Crispin Company is one of the
largest importer and supplier of ASTM A421 PC Wire, and
especially, ASTM A416 PC Strand throughout the United
States, Canada, Central America, and the Caribbean.
We import
our products from different worldwide sources such as
Belgium, France, Italy, Korea, Taiwan, China, Malaysia,
Indonesia, through strategic ports in Vancouver, Los
Angeles, Houston, New Orleans, Jacksonville, Savannah,
Camden, and Montreal.
The quality of our products
are well recognized in commercial and slab post-tensioning,
prestressing, mining, geotechnical, and stay cable
applications. |
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5/16 3/8 7/16
½ 0.6 ASTM A416-02, 270k, low relaxation, pc strand for
post-tensioned and prestressed concrete applications
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5mm 7mm 9mm ASTM
A421-02, Type BA & WA, smooth or indented, mono-wire for
prestressed concrete application
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5mm 5.25mm 7mm
9mm ASTM A881-02, 250k, indented, mono-wire for prestressed
concrete railroad ties
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Galvanized 3/8 ½
0.6 0.7 ASTM A416-02, 270k, low relaxation, pc strand for
barrier and stay-cable applications
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CalTrans
Wrapped ASTM A416 - 2.83mt coils - PC Strand |
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Dimensions
in inches |
1/4" |
5/16" |
3/8" |
7/16" |
1/2" |
1/2" SPEC |
0.6" |
0.62" |
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OD |
<55" |
<55" |
<52" |
<52" |
<52" |
<52" |
<55" |
<55" |
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ID |
35" |
35" |
30" |
30" |
30" |
30" |
35" |
35" |
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Height |
29.5" |
29.5" |
<29.5" |
29.5" |
29.5" |
29.5" |
29.5" |
29.5" |
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Length |
35,000 LFT |
30,000 LFT |
22,000 LFT |
16,000 LFT |
12,000 LFT |
11,000 LFT |
8,600 LFT |
8,400 LFT |
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Weight |
±6,240 lbs |
±6,240 lbs |
±6,240 lbs |
±6,240 lbs |
±6,240 lbs |
±6,240 lbs |
±6,240 lbs |
±6,240 lbs |
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CalTrans
Wrapped ASTM A421 - 2,000 lbs coils - PC Wire |
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Nominal
Diameter |
Diameter
Tolerance |
Type |
Nominal
Weight |
Nominal
Steel Area |
Minimum
Breaking Strength |
Yield
Strength Minimum Load at 1% Extension |
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ASTM A421 |
mm |
mm |
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Lb/1000ft |
in² |
LB |
LB |
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4.98 |
± 0.05 |
WA |
103 |
0.03 |
7,540 |
6,420 |
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4.98 |
± 0.05 |
BA |
103 |
0.03 |
7,540 |
6,420 |
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7.01 |
± 0.05 |
WA |
203 |
0.06 |
14,050 |
11,950 |
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7.01 |
± 0.05 |
BA |
203 |
0.06 |
14,050 |
11,950 |
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9.01 |
± 0.05 |
WA |
335 |
0.09 |
20,280 |
17,520 |
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9.01 |
± 0.05 |
BA |
335 |
0.09 |
13,580 |
11,540 |
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CalTrans
Wrapped ASTM A421 - 6,240 lbs coils - PC Strand |
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Nominal
Diameter |
Average
Diameter Tolerance |
Type |
Nominal
Weight |
Nominal
Steel Area |
Minimum
Breaking Strength |
Yield
Strength Minimum Load at 1% Extension |
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ASTM A416 |
inch |
inch |
KSI |
Lb/1000ft |
in² |
LB |
LB |
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1/4" |
± 0.016 |
250k |
122 |
0.03 |
9,000 |
8,100 |
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5/16" |
± 0.016 |
270k |
197 |
0.06 |
15,820 |
14,240 |
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3/8" |
+0.026/-0.006 |
270k |
290 |
0.085 |
23,000 |
20,700 |
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7/16" |
+0.026/-0.006 |
270k |
390 |
0.115 |
31,000 |
27,900 |
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1/2" |
+0.026/-0.006 |
270k |
520 |
0.153 |
41,300 |
37,170 |
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1/2" Special |
1/2" |
+0.026/-0.006 |
270k |
540 |
0.1664 |
45,000 |
40,500 |
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0.6" |
+0.026/-0.006 |
270k |
740 |
0.217 |
58,600 |
52,740 |
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0.62" |
+0.026/-0.006 |
270k |
823 |
0.24 |
62,775 |
56,498 |
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0.7" |
+0.026/-0.006 |
270k |
823 |
0.294 |
79,400 |
71,500 |
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