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300 Series Spring

Standard:

ASTM A313

Standard Specification for Stainless Steel Spring Wire

Chemical Requirements: (Composition, %)

Stainless Steel Austenitic Grades

UNS# Type C Mn P S Si Cr Ni Mo N Other
S30200 302 0.12 2.0 0.045 0.030 1.0 17.0-19.0 8.0-9.5 0.10
S30400 304 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-10.5 0.10
S31600 316 0.07 2.0 0.045 0.030 1.0 16.5-18.0 10.5-13.5 2.0-2.5 0.10

 

Stainless Steel Age-Hardenable Grades

UNS# Type C Mn P S Si Cr Ni Mo N Other
S17700 631 0.09 1.0 0.040 0.030 1.0 16.0-18.0 6.5-7.8  Al 0.75-1.5

 

Tensile Requirements for Types 302 class I and 304

Diameter (Inch) Bend test
Min number of bends
Tensile Strength
KSI Min
Tensile Strength
KSI Max
Up to 0.009, incl NA  325 355
 Over 0.009 to 0.010, incl  NA  320  350
 Over 0.010 to 0.011, incl  NA  318  348
 Over 0.011 to 0.012, incl  NA  316  346
 Over 0.012 to 0.013, incl  NA  324  344
 Over 0.013 to 0.014, incl  NA  312  342
 Over 0.014 to 0.015, incl  NA  310  340
 Over 0.015 to 0.016, incl  NA  308  338
 Over 0.016 to 0.017, incl  NA  306  336
 Over 0.017 to 0.018, incl  NA  304  334
 Over 0.018 to 0.020, incl  NA  300  330
 Over 0.020 to 0.022, incl  NA  296  326
 Over 0.022 to 0.024, incl  NA  292  322
 Over 0.024 to 0.026, incl  8  291  320
 Over 0.026 to 0.028, incl  8  289  318
 Over 0.028 to 0.031, incl  8  285  315
 Over 0.031 to 0.034, incl  8  282  310
 Over 0.034 to 0.037, incl  8  280  308
 Over 0.037 to 0.041, incl  8  275  304
 Over 0.041 to 0.045, incl  8  272  300
 Over 0.045 to 0.050, incl  8  267  295
 Over 0.050 to 0.054, incl  8  265  293
 Over 0.054 to 0.058, incl  7  261  289
 Over 0.058 to 0.063, incl  7  258  285
 Over 0.063 to 0.070, incl  7  252  281
 Over 0.070 to 0.075, incl  7  250  278
 Over 0.075 to 0.080, incl  7  246  275
 Over 0.080 to 0.087, incl  7  242  271
 Over 0.087 to 0.095, incl  7  238  268
 Over 0.095 to 0.105, incl  5  232  262
 Over 0.105 to 0.115, incl  5  227  257
 Over 0.115 to 0.125, incl  5  222  253
 Over 0.125 to 0.135, incl  3  217  248
 Over 0.135 to 0.148, incl  3  210  241
 Over 0.148 to 0.162, incl  3  205  235
 Over 0.162 to 0.177, incl  3  198  228
 Over 0.177 to 0.192, incl  1  194  225
 Over 0.192 to 0.207, incl  1  188  220
 Over 0.207 to 0.225, incl  1  182  214
 Over 0.225 to 0.250, incl  1  175  205
 Over 0.250 to 0.278, incl  1  168  198
 Over 0.278 to 0.306, incl  1  161  192
 Over 0.306 to 0.331, incl  1  155  186
 Over 0.331 to 0.362, incl  1  150  180
Over 0.362 to 0.394, incl  1  145  175
Over 0.394 to 0.438, incl  1  140  170
Over 0.438 to 0.500, incl  1  135  165
Over 0.500  130  160

When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90% of the value listed in table.

Tensile Requirements for Type 316                 

Diameter (Inch) Bend test
Min number of bends
Tensile Strength
KSI Min
Tensile Strength
KSI Max
Up to 0.010, incl NA 245 275
Over 0.010 to 0.015, incl NA 240 270
Over 0.015 to 0.024, incl NA 235 265
Over 0.024 to 0.041, incl 8 235 265
Over 0.041 to 0.047, incl 8 230 260
Over 0.047 to 0.054, incl 8 225 255
Over 0.054 to 0.062, incl 7 220 250
Over 0.062 to 0.072, incl 7 215 245
Over 0.072 to 0.080, incl 7 210 240
Over 0.080 to 0.092, incl 7 205 235
Over 0.092 to 0.105, incl 5 200 230
Over 0.105 to 0.120, incl 5 195 225
Over 0.120 to 0.148, incl 3 185 215
Over 0.148 to 0.166, incl 3 180 210
Over 0.166 to 0.177, incl 3 170 200
Over 0.177 to 0.207, incl 1 160 190
Over 0.207 to 0.225, incl 1 155 185
Over 0.225 to 0.250, incl 1 150 180
Over 0.250 to 0.312, incl 1 140 170
Over 0.312 to 0.375, incl 1 135 165
Over 0.375 to 0.500, incl 130 160
Over 0.500 125 155

When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90% of the value listed in table

Tensile Requirements for Type 631                 Condition CH – 900

Diameter (Inch) Cold Drawn
Condition C
KSI nominal
Tensile Strength
KSI Min
Tensile Strength
KSI Max
Over 0.010 to 0.015, incl 295 335 365
Over 0.015 to 0.020, incl 290 330 360
Over 0.020 to 0.029, incl 285 325 355
Over 0.029 to 0.041, incl 275 320 350
Over 0.041 to 0.051, incl 270 310 340
Over 0.051 to 0.061, incl 265 305 335
Over 0.061 to 0.071, incl 257 297 327
Over 0.071 to 0.086, incl 255 292 322
Over 0.086 to 0.090, incl 245 282 312
Over 0.090 to 0.100, incl 242 279 309
Over 0.100 to 0.106, incl 238 274 304
Over 0.106 to 0.130, incl 236 272 302
Over 0.130 to 0.138, incl 230  260 290
Over 0.138 to 0.146, incl 228 258 288
Over 0.146 to 0.162, incl 226 256 286
Over 0.162 to 0.180, incl 224 254 284
Over 0.180 to 0.207, incl 222 252 282
Over 0.207 to 0.225, incl 218 248 278
Over 0.225 to 0.306, incl 213 242 272
Over 0.306 to 0.440, incl 207 235 265
Over 0.440 to 0.625, incl 203 230 260

When wire is specified in straightened and cut lengths, the minimum tensile strength shall be 90% of the value listed in table.

 

The above notes are intended to provide general information about product specifications. Please contact InterWire so that our expert staff can provide more detailed product specifications and work with you to find the best products for your requirements.

Standard:

ASTM A555

Standard Specification for General Requirements for Stainless Steel Wire and Wire Rods

Product Analysis Tolerances:

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, incl
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, inclOver 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:

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 0.0015 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

 

The above notes are intended to provide general information about product specifications. Please contact InterWire so that our expert staff can provide more detailed product specifications and work with you to find the best products for your requirements.

 

Standard:

ASTM A580

Standard Specification for Stainless Steel Wire

Chemical Requirements (Composition, %)

Stainless Steel Authentic Grades

UNS# Type C,
max
Mn,
max
P,
max
S,
max
Si,
max
Cr Ni Mo N Other
S30200 302 0.15 2.00 0.045 0.030 1.00 17.0-19.0 8.0- 10.0 0.10 max
S30215 302B 0.15 2.00 0.045 0.030 2.00- 3.00 17.0-19.0 8.0- 10.0
S30400 304 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0- 10.5 0.10 max
S30403 304L 0.030 2.00 0.045 0.030 1.00 18.0-20.0 8.0- 12.0 0.10 max
S31600 316 0.08 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.0- 3.0 0.10 max
S31603 316L 0.030 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.0- 3.0 0.10 max

 

Stainless Steel Ferritic Grades

UNS# Type C,
max
Mn,
max
P,
max
S,
max
Si,
max
Cr Ni Mo N Other
S43000 430 0.12 1.00 0.040 0.030 1.0 16.0-18.0  0.10 max

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

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
04L 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.

 

The above notes are intended to provide general information about product specifications. Please contact InterWire so that our expert staff can provide more detailed product specifications and work with you to find the best products for your requirements.