Electro Polishing Quality Stainless Steel Wire
ASTM A313 & ASTM A580
Electro-Polish Quality, EPQ wire has a brilliant mirror bright like surface resulting in a radiant appearance when electro-polished after forming. Often used when the part is visible on the item where it is being used and eye appeal is of importance to the end customer.
Product Analysis Tolerances
ASTM A555
Standard Specification for General Requirements for Stainless Steel Wire and Wire Rods
| Element | Upper Limit or Maximum of Specified Range, % |
Tolerances over the maximum (upper limit) or
under the minimum (lower limit) |
|---|---|---|
| Carbon (C) |
To 0.010, incl
Over 0.010 to 0.030, incl Over 0.030 to 0.20, incl Over 0.20 to 0.60, incl Over 0.60 to 1.20, incl |
0.002
0.005 0.01 0.02 0.03 |
| Manganese (Mn) |
To 1.00, incl
Over 1.00 to 3.00, incl Over 3.00 to 6.00, incl Over 6.00 to 10.00, incl Over 10.00 to 15.00, incl Over 15.00 to 20.00, incl |
0.03
0.04 0.05 0.06 0.10 0.15 |
| Phosphorus (P) |
To 0.040, incl
Over 0.040 to 0.20, incl |
0.005
0.010 |
| Sulfer (S) |
To 0.040, incl
Over 0.040 to 0.20, incl Over 0.20 to 0.50, incl |
0.005
0.010 0.020 |
| Silicon (Si) |
To 1.00, incl
Over 1.00 to 3.00, incl |
0.05
0.10 |
| Chromium (Cr) |
Over 4.00 to 10.00, incl
Over 10.00 to 15.00, incl Over 15.00 to 20.00, incl Over 20.00 to 30.00, incl |
0.10
0.15 0.20 0.25 |
| Nickel (Ni) |
To 1.00, incl
Over 1.00 to 5.00, incl Over 5.00 to 10.00, incl Over 10.00 to 20.00, incl Over 20.00 to 30.00, inclv Over 30.00 to 40.00, incl Over 40.00 |
0.03
0.07 0.10 0.15 0.20 0.25 0.30 |
| Molybdenum (Mo) |
Over 0.20 to 0.60, incl
Over 0.60 to 2.00, incl Over 2.00 to 7.00, incl Over 7.00 to 15.00, incl Over 15.00 to 30.00, incl |
0.30
0.50 0.10 0.15 0.20 |
| Titanium (Ti) |
To 1.00, incl
Over 1.00 to 3.00, incl Over 3.00 |
0.05
0.07 0.10 |
| Cobalt (Co) |
Over 0.05 to 0.50, incl
Over 0.50 to 2.00, incl Over 2.00 to 5.00, incl Over 5.00 to 10.00, incl Over 10.00 to 15.00, incl Over 15.00 to 22.00, incl Over 22.00 to 30.00, incl |
0.01
0.02 0.05 0.10 0.15 0.20 0.25 |
|
Columbium (Cb)
+ Tantalum |
To 1.50, incl
Over 1.50 to 5.00, incl Over 5.00 |
0.05
0.10 0.15 |
| Tantalum (Ta) | To 0.10, incl | 0.02 |
| Copper (Cu) |
To 0.50, incl
Over 0.50 to 1.00, incl Over 1.00 to 3.00, incl Over 3.00 to 5.00, incl Over 5.00 to 10.00, incl |
0.03
0.05 0.10 0.15 0.20 |
| Aluminum (Al) |
To 0.15, incl
Over 0.15 to 0.50, incl Over 0.50 to 2.00, incl Over 2.00 to 5.00, incl Over 5.00 to 10.00, incl |
-0.005
+0.01 0.05 0.10 0.20 0.35 |
| Nitrogen (N) |
To 0.02, incl
Over 0.02 to 0.19, incl Over 0.19 to 0.25, incl Over 0.25 to 0.35, incl Over 0.35 to 0.45, incl |
0.005
0.01 0.02 0.03 0.04 |
| Tungsten (W) |
To 1.00, incl
Over 1.00 to 2.00, incl Over 2.00 to 5.00, incl Over 5.00 to 10.00, incl Over 10.00 to 20.00, incl |
0.03
0.05 0.07 0.10 0.15 |
| Vanadium (V) |
To 0.50, incl
Over 0.50 to 1.50, incl |
0.03
0.05 |
| Selenium (Se) | all | 0.03 |
Permissible Variations in Diameter and Out-of-Round for Round Wire
ASTM A555
Standard Specification for General Requirements for Stainless Steel Wire and Wire Rods
| Specified Diameter (Inch) | over | under |
|---|---|---|
| 1.00 and Over | 0.0025 | 0.0025 |
| Under 1.00 to 0.500 | 0.002 | 0.002 |
| Under 0.500 to 0.3125, incl | 0.015 | 0.0015 |
| Under 0.3125 to 0.0440, incl | 0.001 | 0.001 |
| Under 0.0440 to 0.0330, incl | 0.0008 | 0.0008 |
| Under 0.0330 to 0.0240, incl | 0.0005 | 0.0005 |
| Under 0.0240 to 0.0120, incl | 0.0004 | 0.0004 |
| Under 0.0120 to 0.0080, incl | 0.0003 | 0.0003 |
| Under 0.0080 to 0.0048, incl | 0.0002 | 0.0002 |
| Under 0.0048 to 0.0030, incl | 0.0001 | 0.0001 |
Chemical Requirements (Composition, %)
ASTM A580
Standard Specification for Stainless Steel Wire
Stainless Steel Authentic Grades
| uns# | type | c, max | mn, max | p, max | s, max | si, max | cr | ni | mo | n |
|---|---|---|---|---|---|---|---|---|---|---|
| S30200 | 302 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 8.0-10.0 | 0.10max | |
| S30215 | 302B | 0.15 | 2.00 | 0.045 | 0.030 | 2.00-3.00 | 17.0-19.0 | 8.0-10.0 | ||
| S30400 | 304 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-10.5 | 0.10max | |
| S30403 | 304L | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-12.0 | 0.10max | |
| S31600 | 316 | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 0.10max |
| S31603 | 316L | 0.15 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 0.10max |
Stainless Steel Ferritic Grades
| uns# | type | c, max | mn, max | p, max | s, max | si, max | cr | ni | mo | n |
|---|---|---|---|---|---|---|---|---|---|---|
| S43000 | 430 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 16.0-18.0 | 0.10max |
Maximum unless range is shown.
For some applications, the substitution of Type 304L for Type 304 or Type 316L for Type 316 may be undesirable because of design, fabrication or service requirements.
Mechanical Test Requirements
ASTM A580
Standard Specification for Stainless Steel Wire
Austenitic Grades
| UNS# | type | condition | final operation |
tensile strength
min. (ksi) |
yield strength
min. (ksi) |
Elongation in Length 4x Gage Diameter of
Test Specimens, min, % |
Reduction of Area, min, % |
|---|---|---|---|---|---|---|---|
|
S30200
S30215 S30400 S31600 |
302
302B 304 316 |
A | Cold Finished | 90 | 45 | 30 | 40 |
|
S30200
S30215 S30400 S31600 |
302
302B 304 316 |
A | Annealed | 75 | 30 | 35 | 50 |
|
S30403
S31603 |
304L
316L |
A | Cold Finished | 90 | 45 | 30 | 40 |
|
S30403
S31603 |
304L
316L |
A | Annealed | 70 | 25 | 35 | 50 |
Ferritic Grades
| UNS# | type | condition | final operation |
tensile strength
min. (ksi) |
yield strength
min. (ksi) |
Elongation in Length 4x Gage Diameter of
Test Specimens, min, % |
Reduction of Area, min, % |
|---|---|---|---|---|---|---|---|
| 43000 | 430 | A | Cold Finished | 70 | 40 | 16 | 45 |
| 43000 | 430 | A | Annealed | 70 | 40 | 20 | 45 |
Minimum unless otherwise noted.