Astm A484 Tolerances & Astm A484 Properties
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ASTM A484 Specifications
ASTM A484 / A484M - 16 Standard Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings. - ASTM A484 Specification includes wrought stainless steel bars, shapes, forgings, and billets or other semi-finished materials, except wire, for forging. The ASTM A484 bars shall be furnished in one of the following conditions:
- hot-worked
- hot-worked and annealed
- hot-worked, annealed and cold-worked
- hot-worked, annealed, and heat-treated.
The materials are heat treated; austenitic stainless steels and austenitic-ferritic grades are produced in a solution annealed condition, ensuring conformity to the required specifications for temperature, permitted annealing procedure, quenching, and rapid cooling.
DIMENSIONS - FORGED FLAT BARS
Surface Conditions Available | |||
---|---|---|---|
Surface | Stock Allowance | Size Tolerance | Finish |
Precision Forged | 1/2" to 3/4" over finish size | +/- 1/8" | Forged surface, no RMS |
Forged and Rolled | 3/8" over finish size | +1/8", -0 | hot-rolled surface |
Rough Machined | 1/4" over finish size | +/- 1/16" | 500 RMS or better |
Peeled | 1/4" over finish size | + 1/32", -0 | 125 to 250 RMS |
Turned and Polished | To finish size | +0, -0.008" | 63 RMS |
Tolerances Per ASTM-A484
Hot Rolled Rounds | |||
---|---|---|---|
Specified Size | Over | Under | Out-of-Round |
Over 5/16 to 7/16 | 0.006 | 0.006 | 0.009 |
Over 7/16 to 5/8 | 0.007 | 0.007 | 0.010 |
Over 5/8 to 7/8 | 0.008 | 0.008 | 0.012 |
Over 7/8 to 1 | 0.009 | 0.009 | 0.013 |
Over 1 to 1-1/8 | 0.010 | 0.010 | 0.015 |
Over 1-1/8 to 1-1/4 | 0.011 | 0.011 | 0.016 |
Over 1-1/4 to 1-3/8 | 0.012 | 0.012 | 0.018 |
Over 1-3/8 to 1-1/2 | 0.014 | 0.014 | 0.021 |
Over 1-1/2 to 2 | 1/64 | 1/64 | 0.023 |
Over 2 to 2-1/2 | 1/32 | 0 | 0.023 |
Over 2-1/2 to 3-1/2 | 3/64 | 0 | 0.035 |
Over 3-1/2 to 4-1/2 | 1/16 | 0 | 0.046 |
Over 4-1/2 to 5-1/2 | 5/64 | 0 | 0.058 |
Over 5-1/2 to 6-1/2 | 1/8 | 0 | 0.070 |
Over 6-1/2 to 8 | 5/32 | 0 | 0.085 |
Over 8 to 12 | 3/16 | 0 | 3/32 |
Over 12 to 15 | 7/32 | 0 | 7/64 |
Over 15 to 25 | 1/4 | 0 | 1/8 |
Cold Finished Rounds | ||
---|---|---|
Specified Size | Over | Under |
1/16 to 5/16 | 0.001 | 0.001 |
5/16 to 1/2 | 0.0015 | 0.0015 |
1/2 to 1 | 0.002 | 0.002 |
1 to 1-1/2 | 0.0025 | 0.0025 |
1-1/2 to 3-1/4 | 0.003 | 0.003 |
3-1/4 to 4 | 0.005 | 0.005 |
410 COND A | STOCKING DIAMETERS | 1/2” TO 16” |
---|---|---|
MATERIAL LENGTHS | UP TO 24’ | |
410 COND HT ASTM A-479 COND 2 STRESS RELIEVED | STOCKING DIAMETERS | 1/2” TO 7” |
MATERIAL LENGTHS | UP TO 24’ | |
420 COND A | STOCKING DIAMETERS | 1/2” TO 14” |
MATERIAL LENGTHS | UP TO 24’ |
UNS | TYPE | AMS | ASTM | FEDERAL | CHARACTERISTICS |
---|---|---|---|---|---|
S41000 | 410 | 5613 | A-276 A-314 A-479 A-493 | QQ-S-763 | 410 is a low cost general purpose stainless steel, that hardens at 35-39 RC and is used widely where corrosion is not severe. |
S42000 | 420 | 5621 | A-276 A-314 | QQ-S-763 | 420 is similar to 400, but the raised carbon content produces higher strength and hardness. Heat treatment to 50 RC min. |
C | MN | P | S | SI | CR | NI | MO | CU | OTHER | M/NM |
---|---|---|---|---|---|---|---|---|---|---|
.15 | 1. | .04 | .03 | 1. | 11.5 – 13.5 | .75 | .5 | .5 | Al .05 Sn .05 N .08 | M |
C | MN | P | S | SI | CR | NI | MO | CU | OTHER | M/NM |
---|---|---|---|---|---|---|---|---|---|---|
.15 Min. | 1. | .04 | .03 | 1. | 12. – 14. | .5 | .5 | .5 | M |
Chemical Composition
AISI | C | Si | Mn | P | S | Ni | Cr | Mo | OTHERS |
302 | 0.15 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 8.00-10.00 | 17.00-19.00 | 0.60 max | - |
302HQ | 0.030 max | 1.00 max | 2.00 max | 0.045 max | 0.020 max | 9.00-10.00 | 18.00-20.00 | - | Cu 3.0-4.0 |
303 | 0.12 max | 1.00 max | 2.00 max | 0.045 max | 0.025 min | 8.00-10.00 | 17.00-19.00 | 0.60 max | - |
304 | 0.07 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 8.00-10.50 | 18.00-20.00 | - | - |
304L | 0.030 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 8.50-11.00 | 18.00-20.00 | - | - |
309 | 0.20 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 12.00-14.00 | 22.00-24.00 | - | - |
316 | 0.08 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | - |
316L | 0.030 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | - |
316Ti | 0.08 max | 1.00 max | 2.00 max | 0.045 max | 0.15 min | 10.00-14.00 | 16.00-18.00 | 1.75-2.50 | Ti 5xC |
321 | 0.08 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 9.00-13.00 | 17.00-19.00 | - | Ti> 5xC |
410 | 0.15 max | 1.00 max | 1.00 max | 0.040 max | 0.030 max | - | 11.50-13.50 | - | - |
416 | 0.15 max | 1.00 max | 1.25 max | 0.060 max | 0.25 min | - | 12.00-14.00 | - | - |
420A | 0.16-0.25 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | - | 12.00-14.00 | - | - |
420B | 0.26-0.32 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | - | 12.00-14.00 | - | - |
420C | 0.32-0.40 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | - | 12.00-14.00 | - | - |
420F | 0.15 max | 1.00 max | 1.25 max | 0.060 max | 0.25 max | - | 12.00-14.00 | - | Mo<0.60 |
430 | 0.12 max | 0.75 max | 1.00 max | 0.040 max | 0.030 max | 1.25-2.50 | 15.00-17.00 | - | - |
Tolerance Tables
ISO j -tolerances | |||
Diameter mm | j5 | j6 | j7 |
up to & incl 3 | +.004/-.002 | +.006/-.004 | |
3 < 6 | +.003/-.002 | +.006/-.002 | +.008/-.004 |
6 < 10 | +.004/-.002 | +.007/-.002 | +.010/-.005 |
10 < 18 | +.005/-.003 | +.008/-.002 | +.012/-.006 |
18 < 30 | +.005/-.004 | +.009/-.004 | +.013/-.008 |
30 < 50 | +.006/-.005 | +.011/-.005 | +.015/-.010 |
50 < 80 | +.006/-.007 | +.012/-.007 | +.018/-.012 |
80 < 120 | +.006/-.009 | +.013/-.009 | +.020/-.015 |
ISO h - tolerances | |||||||
Diameter mm | h6 | h7 | h8 | h9 | h10 | h11 | h12 |
up to & incl 3 | -0.006/+0 | -0.010/+0 | -0.014/+0 | -0.025/+0 | -0.040/+0 | -0.060/+0 | -0.100/+0 |
3 < 6 | -0.008/+0 | -0.012/+0 | -0.018/+0 | -0.030/+0 | -0.048/+0 | -0.075/+0 | -0.120/+0 |
6 < 10 | -0.009/+0 | -0.015/+0 | -0.022/+0 | -0.036/+0 | -0.058/+0 | -0.090/+0 | -0.150/+0 |
10 < 18 | -0.011/+0 | -0.018/+0 | -0.027/+0 | -0.043/+0 | -0.070/+0 | -0.110/+0 | -0.180/+0 |
18 < 30 | -0.013/+0 | -0.021/+0 | -0.033/+0 | -0.052/+0 | -0.084/+0 | -0.130/+0 | -0.210/+0 |
30 < 50 | -0.016/+0 | -0.025/+0 | -0.039/+0 | -0.062/+0 | -0.100/+0 | -0.160/+0 | -0.250/+0 |
50 < 80 | -0.019/+0 | -0.030/+0 | -0.046/+0 | -0.074/+0 | -0.120/+0 | -0.190/+0 | -0.300/+0 |
80 < 120 | -0.022/+0 | -0.035/+0 | -0.054/+0 | -0.087/+0 | -0.140/+0 | -0.220/+0 | -0.350/+0 |
ISO h-tolerances are always minus tolerances. |
ISO k -tolerances | |||||||
Diameter mm | k6 | k7 | k8 | k9 | k10 | k11 | k12 |
up to & incl 3 | +0.006/-0 | +0.010/-0 | +0.014/-0 | +0.025/-0 | +0.040/-0 | +0.060/-0 | +0.100/-0 |
3 < 6 | +0.009/+0.001 | +0.013/+0.001 | +0.018/-0 | +0.030/-0 | +0.048/-0 | +0.075/-0 | +0.120/-0 |
6 < 10 | +0.010/+0.001 | +0.016/+0.001 | +0.022/-0 | +0.036/-0 | +0.058/-0 | +0.090/-0 | +0.150/-0 |
10 < 18 | +0.012/+0.001 | +0.019/+0.001 | +0.027/-0 | +0.043/-0 | +0.070/-0 | +0.110/-0 | +0.180/-0 |
18 < 30 | +0.015/+0.002 | +0.023/+0.002 | +0.033/-0 | +0.052/-0 | +0.084/-0 | +0.130/-0 | +0.210/-0 |
30 < 50 | +0.018/+0.002 | +0.027/+0.002 | +0.039/-0 | +0.062/-0 | +0.100/-0 | +0.160/-0 | +0.250/-0 |
50 < 80 | +0.021/+0.002 | +0.032/+0.002 | +0.046/-0 | +0.074/-0 | +0.120/-0 | +0.190/-0 | +0.300/-0 |
80 < 120 | +0.025/+0.003 | +0.038/+0.003 | +0.054/-0 | +0.087/-0 | +0.140/-0 | +0.220/-0 | +0.350/-0 |
ASTM A484/A484M | |
Diameter mm | Tolerance mm |
8 > 11 | +/-0.15 |
11 > 15.5 | +/-0.18 |
15.5 > 22 | +/-0.20 |
22 > 25 | +/-0.23 |
25 > 28 | +/-0.25 |
28 > 31.5 | +/-0.28 |
31.5 > 34.5 | +/-0.30 |
34.5 > 38 | +/-0.35 |
38 > 50 | +0.40/-0 |
50 > 63 | +0.80/-0 |
63 > 90 | +1.20/-0 |
90 > 115 | +1.60/-0 |
DIN 1013 | |
Diameter mm | Tolerance mm |
8 - 15 | +/-0.40 |
16 - 25 | +/-0.50 |
26 - 35 | +/-0.60 |
36 - 50 | +/-0.80 |
51 - 80 | +/-1.00 |
81 - 100 | +/-1.30 |
101 - 120 | +/-1.50 |
Hardness Conversion Tables
Brinell | Tensile Strength | Sclerscope Hardness Number | Rockwell | Diamond Pyramid Scale HV10 HV30 | ||||||
Dia. Imp. for 10 mm Ball | Carbide Ball | Standard Ball | Tons/inch2 | 1000lb/inch2 | kg/mm2 | Mpa N/mm2 | Hardness Number | "A" Scale | "C" Scale | |
96 | 85.6 | 67.7 | 900 | |||||||
95 | 85 | 67 | 880 | |||||||
93 | 84.7 | 66.3 | 860 | |||||||
92 | 84.2 | 65.5 | 840 | |||||||
90 | 83.8 | 64.8 | 820 | |||||||
88 | 83.4 | 64 | 800 | |||||||
87 | 83 | 63.3 | 780 | |||||||
86 | 82.6 | 62.5 | 760 | |||||||
84 | 82.2 | 61.7 | 740 | |||||||
2.44 | 630 | 82 | 81.8 | 61 | 725 | |||||
2.45 | 627 | 81.5 | 60.5 | 710 | ||||||
2.5 | 601 | 132 | 295 | 208 | 2039 | 81 | 81.2 | 60 | 698 | |
2.55 | 578 | 127 | 284 | 200 | 1961 | 78 | 80.6 | 58.9 | 670 | |
2.6 | 555 | 122 | 273 | 192 | 1884 | 75 | 79.6 | 57.1 | 630 | |
2.66 | 534 | 117 | 262 | 184 | 1807 | 73 | 79 | 56.1 | 609 | |
2.7 | 514 | 112 | 250 | 176 | 1729 | 71 | 78.2 | 54.4 | 572 | |
2.75 | 495 | 495 | 108 | 241 | 170 | 1668 | 68 | 76.9 | 51.9 | 532 |
2.8 | 477 | 477 | 105 | 235 | 165 | 1621 | 66 | 76.3 | 50.7 | 517 |
2.85 | 461 | 461 | 101 | 226 | 160 | 1559 | 64 | 75.5 | 49.5 | 497 |
2.9 | 444 | 444 | 98 | 219 | 155 | 1513 | 62 | 74.2 | 47.5 | 470 |
2.95 | 429 | 429 | 95 | 212 | 150 | 1467 | 60 | 73.5 | 46 | 452 |
3 | 415 | 415 | 92 | 206 | 145 | 1420 | 58 | 73 | 44.8 | 437 |
3.05 | 401 | 401 | 88 | 197 | 139 | 1359 | 56 | 72.5 | 43.7 | 422 |
3.1 | 388 | 388 | 85 | 190 | 134 | 1312 | 54 | 71.5 | 42.4 | 408 |
3.15 | 375 | 375 | 82 | 183 | 129 | 1266 | 52 | 71 | 41.3 | 395 |
3.2 | 363 | 363 | 80 | 179 | 126 | 1235 | 51 | 70.3 | 39.9 | 381 |
3.25 | 352 | 352 | 77 | 172 | 121 | 1189 | 49 | 69.8 | 38.8 | 370 |
3.3 | 341 | 341 | 75 | 168 | 118 | 1158 | 48 | 69.2 | 37.7 | 359 |
3.35 | 331 | 331 | 73 | 163 | 114 | 1127 | 46 | 68.8 | 36.7 | 349 |
3.4 | 321 | 321 | 71 | 159 | 111 | 1096 | 45 | 68 | 35 | 337 |
3.45 | 311 | 311 | 68 | 152 | 107 | 1050 | 43 | 67.5 | 34 | 327 |
3.5 | 302 | 302 | 66 | 147 | 104 | 1019 | 42 | 66.8 | 33 | 318 |
3.55 | 293 | 293 | 64 | 143 | 101 | 988 | 41 | 66.2 | 32 | 308 |
3.6 | 285 | 285 | 63 | 141 | 99 | 973 | 40 | 65.7 | 30.9 | 300 |
3.65 | 277 | 277 | 61 | 136 | 96 | 942 | 38 | 65.2 | 29.8 | 292 |
3.7 | 269 | 269 | 59 | 132 | 93 | 911 | 37 | 64.6 | 29 | 284 |
3.75 | 262 | 262 | 58 | 130 | 91 | 895 | 36 | 64 | 27.5 | 275 |
3.8 | 255 | 255 | 56 | 125 | 89 | 865 | 35 | 63.6 | 26.6 | 269 |
3.85 | 248 | 248 | 55 | 123 | 87 | 849 | 34 | 62.9 | 25.2 | 261 |
3.9 | 241 | 241 | 53 | 118 | 84 | 818 | 33 | 62.6 | 24.3 | 255 |
3.95 | 235 | 235 | 51 | 114 | 81 | 787 | 32 | 62 | 23 | 247 |
4 | 229 | 229 | 50 | 112 | 79 | 772 | 31 | 61.6 | 22 | 241 |
4.05 | 223 | 223 | 49 | 110 | 77 | 756 | 30 | 60.7 | 20.8 | 234 |
4.1 | 217 | 217 | 48 | 107 | 76 | 741 | 228 | |||
Hardness "B" Scale | ||||||||||
4.15 | 212 | 212 | 46 | 103 | 73 | 710 | 29 | 98 | 222 | |
4.2 | 207 | 207 | 45 | 101 | 71 | 695 | 28 | 97 | 218 | |
4.3 | 197 | 197 | 43 | 97 | 68 | 664 | 27 | 96 | 212 | |
4.4 | 187 | 187 | 41 | 92 | 65 | 632 | 25 | 93 | 196 | |
4.5 | 179 | 179 | 39 | 88 | 62 | 602 | 91 | 188 | ||
4.6 | 170 | 170 | 36 | 81 | 57 | 556 | 24 | 88.5 | 178 | |
4.7 | 163 | 163 | 35 | 78 | 55 | 540 | 86 | 171 | ||
4.8 | 156 | 156 | 34 | 76 | 54 | 525 | 23 | 84.2 | 163 | |
4.9 | 149 | 149 | 32 | 72 | 51 | 494 | 82 | 156 | ||
5 | 143 | 143 | 31 | 69 | 49 | 479 | 22 | 80 | 150 | |
5.1 | 137 | 137 | 30 | 67 | 48 | 463 | 21 | 77 | 143 | |
5.2 | 131 | 131 | 29.5 | 66 | 47 | 455 | 20.5 | 75 | 137 | |
5.3 | 126 | 126 | 29 | 65 | 46 | 448 | 20 | 72.5 | 132 | |
5.4 | 121 | 121 | 28 | 63 | 44 | 432 | 70 | 127 | ||
5.5 | 116 | 116 | 26 | 58 | 42 | 401 | 15 | 67 | 122 |
Equivalent Standards
AISI | BS | W.Nr. | AFNOR | Din |
302HQ | - | 1.4567 | Z6 CNU 18-10 | X 3 CR Ni CU 18 9 |
303 | 303 S 31 | 1.4305 | Z10 C NF 18 09 | X 12 Cr Ni S 18 9 |
304 | 304 S 31 | 1.4301 | Z6 CN 18 09 | X 5 Cr Ni 1810 |
304L | 304 S 15 | 1.4306 | Z2 CN 18 10 | X 12 Cr Ni 1911 |
309 | - | 1.4828 | Z 10 CN 24-10 | X5 Cr Ni Mo 17 12 |
316 | 316 S 31 | 1.4401 | Z6 C N D 17 11 | X 5 Cr Mo 17 22 |
316L | 316 S 13 | 1.4404 | Z2 C ND 17 12 | X 2 Cr Ni Mo 18 13 2 |
316Ti | - | 1.4571 | X6 Cr Ni Mo Ti 17 12 2 | - |
321 | 321 S 31 | 1.4541 | Z6 CNT 18 11 | X6 Cr Ni 18 10 |
410 | 410 S 29 | 1.4006 | Z12 C 13 | x 10 Cr 13 |
416 | 416 S 21 | 1.4005 | Z12 CF 13 | x 12 Cr S 13 |
420/A | 420 S 29 | 1.4021 | Z20 C 13 | x 20 Cr 13 |
420/B | 420 S 45 | 1.4028 | Z30 C 13 | x 30Cr 13 |
420/C | - | 1.4034 | Z40 C14 | x 46 Cr 13 |
430F | - | 1.4104 | Z10 CF 17 | x 12 Cr Mo S 17 |