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Steel Hardness ConversionBelow is a conversion table for the hardness of the steel.
The values listed are for reference only. There are some parameters that could change the conversion. For example, the HV is only testing on a focused small spot, where the HRC/HB would have a test result from a much bigger area.
Item
Rockwell RockwellSurface Rockwell
Surface Rockwell
Surface Rockwell
Vickers Brinell Brinell
HRC HRA HR15N HR30N HR45N HV HB30D2d10、2d5、4d2.
5mm
1 17 67.3 37.9 15.6 211 211 4.15
2 17.5 67.6 38.4 16.2 214 214 4.13
3 18 67.8 38.9 16.8 216 216 4.11
4 18.5 68 39.3 17.4 218 218 4.09
5 19 68.3 39.8 18 221 220 4.07
6 19.5 68.5 40.3 18.6 223 222 4.05
7 20 68.8 40.7 19.2 226 225 4.03
8 20.5 69 41.2 19.8 229 227 4.02
9 21 69.3 41.7 20.4 231 227 4
10 21.5 69.5 42.2 21 234 232 3.97
11 22 69.8 42.6 21.5 237 234 3.95
12 22.5 70 43.1 22.1 240 237 3.93
13 23 70.3 43.6 22.7 243 240 3.91
14 23.5 70.6 44 23.3 246 242 3.89
15 24 70.8 44.5 23.9 249 245 3.87
16 24.5 71.1 45 24.5 252 248 3.85
17 25 71.4 45.5 25.1 255 251 3.83
18 25.5 71.6 45.9 25.7 258 254 3.8
19 26 71.9 46.4 26.3 261 257 3.78
20 26.5 72.2 46.9 26.9 264 260 3.76
21 27 72.4 47.3 27.5 268 263 3.74
22 27.5 72.7 47.8 28.1 271 266 3.72
23 28 73 48.3 28.7 274 269 3.7
24 28.5 73.3 48.7 29.3 278 273 3.67
25 29 73.5 49.2 29.9 281 276 3.65
26 29.5 73.8 49.7 30.5 285 280 3.63
27 30 74.1 50.2 31.1 298 283 3.61
28 30.5 74.4 50.6 31.7 292 287 3.59
29 31 74.7 51.1 32.3 296 291 3.56
30 31.5 74.9 51.6 32.9 300 294 3.54
31 32 75.2 52 33.5 304 298 3.52
32 32.5 75.5 52.5 34.1 308 302 3.5
33 33 75.8 53 34.7 312 306 3.48
34 33.5 76.1 53.4 35.3 316 310 3.46
35 34 76.4 53.9 35.9 320 314 3.43
36 34.5 76.7 54.4 36.5 324 318 3.41
37 35 77 54.8 37 329 323 3.39
38 35.5 77.2 55.3 37.6 333 327 3.37
39 36 77.5 55.8 38.2 338 332 3.34
40 36.5 77.8 56.2 38.8 342 336 3.32
41 37 78.1 56.7 39.4 347 341 3.3
42 37.5 78.4 57.2 40 352 345 3.28
43 38 78.7 57.6 40.6 357 350 3.26
44 38.5 79 58.1 41.2 362 355 3.24
45 39 70 79.3 58.6 41.8 367 360 3.21
46 39.5 70.3 79.6 59 42.4 372 365 3.19
47 40 70.5 79.9 59.5 43 377 370 3.17
48 40.5 70.8 80.2 60 43.6 382 375 3.15
49 41 71.1 80.5 60.4 44.2 388 380 3.13
50 41.5 71.3 80.8 60.9 44.8 393 385 3.11
51 42 71.6 81.1 61.3 45.4 399 391 3.09
52 42.5 71.8 81.4 61.8 45.9 405 396 3.07
53 43 72.1 81.7 62.3 46.5 411 401 3.05
54 43.5 72.4 82 62.7 47.1 417 407 3.03
55 44 72.6 82.3 63.2 47.7 423 413 3.01
56 44.5 72.9 82.6 63.6 48.3 429 418 2.99
57 45 73.2 82.9 64.1 48.9 436 424 2.97
58 45.5 73.4 83.2 64.6 49.5 443 430 2.95
59 46 73.7 83.5 65 50.1 449 436 2.93
60 46.5 73.9 83.7 65.5 50.7 456 442 2.91
61 47 74.2 84 65.9 51.2 463 449 2.89
62 47.5 74.5 84.3 66.4 51.8 470 455 2.87
63 48 74.7 84.6 66.8 52.4 478 461 2.85
64 48.5 75 84.9 67.3 53 485 468 2.83
65 49 75.3 85.2 67.7 53.6 493 474 2.81
66 49.5 75.5 85.5 68.2 54.2 501 481 2.79
67 50 75.8 85.7 68.6 54.7 509 488 2.77
68 50.5 76.1 86 69.1 55.3 417 494 2.75
69 51 76.3 86.3 69.5 55.9 525 501 2.73
70 51.5 76.6 86.6 70 56.5 534 71 52 76.9 86.8 70.4 57.1 543
72 52.5 77.1 87.1 70.9 57.6 551 73 53 77.4 87.4 71.3 58.2 561 74 53.5 77.7 87.6 71.8 58.8 570 75 54 77.9 87.9 72.2 59.4 579 76 54.5 78.2 87.6 72.6 59.9 589 77 55 78.5 88.4 73.1 60.5 599 78 55.5 78.7 88.6 73.5 61.1 609 79 56 79 88.9 73.9 61.7 620 80 56.5 79.3 89.1 74.4 62.2 631 81 57 79.5 89.4 74.8 62.8 642 82 57.5 79.8 89.6 75.2 63.4 653 83 58 80.1 89.8 75.6 63.9 664 84 58.5 80.3 90 76.1 64.5 676 85 59 80.6 90.2 76.5 65.1 688 86 59.5 80.9 90.4 76.9 65.6 700 87 60 81.2 90.6 77.3 66.2 713 88 60.5 81.4 90.8 77.7 66.8 726 89 61 81.7 91 78.1 67.3 739 90 61.5 82 91.2 78.6 67.9 752 91 62 82.2 91.4 79 68.4 766 92 62.5 82.5 91.5 79.4 69 780 93 63 82.8 91.7 79.8 69.5 795 94 63.5 83.1 91.8 80.2 70.1 810 95 64 83.3 91.9 80.6 70.6 825 96 64.5 83.6 92.1 81 71.2 840 97 65 83.9 92.2 81.3 71.7 856 98 65.5 84.1 872 99 66 84.4 889
100 66.5 84.7 906 101 67 85 923 102 67.5 85.2 941 103 68 85.5 959 104 68.5 85.8 978 105 69 86.1 997 106 69.5 86.3 1017 107 70 86.6 1037
Hardness & Tensile ConversionBelow is the reference conversion table for steel to convert the hardness to its tensile strength.
There are parameters that could change the real result of the tensile strength testing, for example: temper embrittlement, hydrogen embrittlement, percentage of carbon, amount of the impurity...
Item
Rockwell
Tensile
σbMPa
Tensile
σbMPa
Tensile
σbMPa
Tensile
σbMPa
Tensile
σbMPa
Tensile
σbMPa
Tensile
σbMPa
TensileσbMPa
TensileσbMPa
HRC Carbon Steel
Cr Steel
CrV Steel
CrNi Steel
CrMo Steel
CrNiMo Steel
CrMnSi Steel
High Strength Steel
Stainless Steel
1 17 73.6 706 705 772 726 757 7032 17.5 74.4 714 712 775 731 763 7113 18 753 723 719 779 737 769 7194 18.5 762 731 727 783 743 776 7285 19 771 739 735 788 749 782 7376 19.5 780 748 743 792 755 789 7457 20 790 757 751 797 761 796 7548 20.5 799 766 759 802 768 803 7649 21 809 775 767 807 775 810 773
10 21.5 819 785 776 813 782 817 78211 22 829 794 785 819 789 825 79212 22.5 839 804 794 825 797 832 80213 23 849 814 803 831 805 840 81214 23.5 860 824 813 838 813 848 82215 24 870 834 823 845 821 856 83216 24.5 881 844 833 852 830 865 84317 25 892 855 843 860 838 874 85318 25.5 903 865 853 868 847 866 882 86419 26 914 876 864 876 857 876 892 87520 26.5 926 887 875 884 867 886 901 88521 27 937 898 886 893 877 897 910 89722 27.5 949 909 897 902 887 907 920 90823 28 961 920 909 912 897 918 930 91924 28.5 972 932 921 922 908 930 941 931
25 29 984 943 933 932 919 941 951 94226 29.5 997 955 946 942 931 953 962 95427 30 1009 967 959 953 943 966 973 96628 30.5 1021 979 972 964 955 978 985 97829 31 1034 991 985 976 967 991 996 99030 31.5 1047 1004 999 988 980 1005 1008 100331 32 1060 1016 1013 1001 993 1018 1020 101532 32.5 1073 1029 1027 1013 1007 1032 1033 102833 33 1086 1042 1042 1027 1020 1047 1046 104134 33.5 1100 1055 1057 1040 1035 1062 1059 105435 34 1113 1068 1072 1054 1049 1077 1073 106736 34.5 1127 1082 1088 1069 1064 1092 1086 108137 35 1141 1095 1104 1084 1079 1108 1101 109538 35.5 1156 1109 1120 1099 1095 1125 1115 110939 36 1170 1124 1136 1115 1111 1141 1130 112340 36.5 1185 1138 1153 1131 1128 1158 1146 113841 37 1200 1153 1171 1148 1144 1176 1161 115342 37.5 1215 1168 1188 1165 1162 1194 1177 116843 38 1231 1184 1206 1182 1179 1212 1194 118444 38.5 1246 1199 1225 1200 1197 1231 1211 1193 120045 39 1263 1216 1243 1219 1216 1250 1228 1218 121646 39.5 1279 1232 1262 1238 1235 1270 1246 1243 123347 40 1296 1249 1282 1257 1254 1290 1264 1267 125048 40.5 1213 1267 1302 1277 1274 1310 1283 1291 126849 41 1331 1284 1322 1298 1294 1331 1302 1315 128650 41.5 1348 1303 1343 1319 1315 1353 1322 1339 130551 42 1367 1322 1364 1340 1336 1375 1342 1362 132552 42.5 1386 1341 1385 1362 1357 1397 1362 1385 134553 43 1405 1361 1407 1385 1379 1420 1384 1409 136654 43.5 1425 1382 1429 1408 1402 1443 1405 1432 138755 44 1445 1403 1452 1431 1425 1467 1427 1455 141056 44.5 1466 1426 1475 1455 1448 1491 1450 1478 143357 45 1488 1448 1498 1480 1472 1516 1474 1502 145758 45.5 1510 1472 1522 1505 1497 1541 1498 1526 148259 46 1533 1497 1547 1531 1522 1567 1522 1550 150860 46.5 1556 1522 1572 1557 1547 1593 1547 1575 153561 47 1581 1549 1597 1584 1573 1620 1573 1600 156362 47.5 1606 1576 1623 1612 1599 1648 1600 1625 1592
63 48 1631 1605 1649 1640 1626 1676 1627 1652 162364 48.5 1658 1635 1675 1669 1654 1704 1654 1679 165565 49 1686 1666 1702 1698 1682 1733 1683 1707 168866 49.5 1714 1698 1730 1728 1710 1762 1712 1735 172367 50 1744 1731 1758 1758 1739 1793 1742 1765 175968 50.5 1767 1787 1790 1769 1823 1773 1795 69 51 1803 1816 1821 1799 1854 1804 1827 70 51.5 1841 1845 1854 1830 1886 1836 1860 71 52 1881 1875 1887 1861 1918 1870 1894 72 52.5 1906 1920 1893 1951 1903 1930 73 53 1937 1955 1925 1985 1938 1967 74 53.5 1968 1990 1974 2005 75 54 2000 2025 2010 2045 76 54.5 2033 2061 2048 2087 77 55 2066 2098 2086 2131 78 55.5 2177 79 56 2224 80 56.5 2274 81 57 2326 82 57.5 2380 83 58 2437 84 58.5 2496 85 59 2558 86 59.5 2623 87 60 2691 88 60.5 89 61 90 61.5 91 62 92 62.5 93 63 94 63.5 95 64 96 64.5 97 65 98 65.5 99 66
100 66.5
101 67 102 67.5 103 68 104 68.5 105 69 106 69.5 107 70
Surface Roughness ConversionIn Taiwan and China, usually we use metric "Ra" system for the surface roughness measurement.
In USA, you can simply divide the inch roughness number by 40 to get the metric Ra number. For example, if the inch drawing specifies surface roughness 32.
32 / 40 = Ra 0.8
Surface roughness can be specified in different way of measure. Below is a conversion table of them.
Ra Rmax(Ry) Rz Number Triangle
0.013a
0.025a
0.05a
0.10a
0.20a
0.05S0.1S0.2S0.4S0.8S
0.05Z0.1Z0.2Z0.4Z0.8Z
N 1N 2N 3N 4
VVVV
0.40a
0.80a
1.6a
1.6S3.2S6.3S
1.6Z 3.2Z 6.3Z
N 5 N 6N 7
VVV
3.2a
6.3a
12.5S25S
12.5Z 25Z
N 8 N 9
VV
12.5a 50S 50Z N10
25a 100S 100Z N11 V
Metal Standard ConversionMaterial Standard Conversion ASTM / DIN / JIS / BS / GB China / ISO / NF:Below is a conversion table of the most frequently used materials in different national standards, as to the composition of the materials, please refer to “Metal Material Composition”.- Materials in different national standards might be slightly different in some detail compositions. It would be better to specify which standard it is conforming to in the quotation and the purchase order.- Due to the size limit of this web page, some of the materials could not be listed here. For example, some sheet metal stamping materials CRS plates, Galvanized plates..If you would need more information, please contact SINAMA.- Same material but in different shape or form might have different material numbers or names.- The national standard of USA is ANSI, however ASTM is more frequently used Note:ASTM (USA): American Society for Testing and MaterialsDIN (Germany): Deutsches Institut fur Normung / Deutsches Industrie NormJIS (Japan) Japanese Industrial StandardBS (UK): British StandardGB China (China): Guo Biao StandardISO (ISO): International Organization for StandardizationNF (France): Normes Française (AFNOR/ Association française de Normalisation)
Carbon Steel and Alloy Steel
ASTM DIN JIS BS GB ISO NF
10081010
1.0310 1.1121
C10CK10
S10C 045A10045M10
0810
C10 XC10
1015 1.04011.1141
C15CK15
S15C 15 XC18XC18S
1020 1.04021.1151
C20CK20
S20C 070M20 20
1035 1.05011.1181
C35CK35
S35C 080A35080M36
35 C35 C35E4
XC38XC38H1 XC38H2
1040 1.05111.1186
C40 CK40
S40C 060A40080A40080M40
40 C40 C40E4
XC42H1 XC42H2
1045 1.05031.1191
C45 CK45
S45C 060A45080A46
45 C45 C45E4
XC45
1050 1.05401.1210
C50CK50
S50C 080M50 50 C50 C50E4
XC50
12L14 1.0737 9SMnPb36 SUM24L Y12Pb 11SMnPb28
4135 1.7220 34CrMo4 SCM435 708A37709A37
34CrMo4 34CD438CD4
41404142
1.72251.7227
42CrMo442CrMoS4
SCM440 708M40708A40708A42709M42709M40
42CrMoA 42CrMo4 42CD4
5120 20Cr4 SCr420 20Cr 20Cr4 20MC5
5135 1.70331.7034
34Cr437Cr4
SCr435 530A36 35Cr 34Cr437Cr4
38MC4
5140 1.70341.7035
37Cr441Cr4
SCr440 530A40530M40
40Cr 37Cr441Cr4
42MC4
6150 1.8159 50CrV4 SUP10 735A51 735H51
50CrVA 9 50CV4
8620 1.7321 20NiCrMo2 SNACM220 805A20805M20
20NiCrMo2 20NCD2
Stainless Steel
ASTM DIN JIS BS GB ISO NF
304S30400
1.4301 X5CrNi18-10 SUS304 304S31 0Cr18Ni90Cr19Ni9
11 Z7CN18.09
304LS30403
1.4306 X2CrNi19-11 SUS304 304S11 0Cr19Ni10 10 Z3CN18.10
316S31600
1.4401 X5CrNiMo17-12-2 SUS316 316S31 0Cr17Ni12Mo2 20 Z7CND17.11-02
420S42000
1.40211.4028
X20Cr13X30Cr13
SUS420 420S29 2Cr133Cr13
4 Z20C13
430S43000
1.4016 X6Cr17 SUS430 430S17 1Cr17 8 Z8C17
440CS44004
1.4125 X105CrMo17 SUS440C 9Cr1811Cr17
Z100CD17
630S17400(17-4)
1.4542 X5CrNiCuNb17-4 SUS630 0Cr17Ni4Cu4Nb 1 Z6CNU17.04
Aluminum Alloy
ASTM DIN JIS BS GB ISO NF
2014 3.1255 AlCuSiMn A2014S 2014A LD10 Al-Cu4SiMg 2014A
2024 3.1335 AlCuMg2 A2024S
LY9 Al-Cu4Mg1 2024
5052 3.3535 AlMg3 A5052S LF2 5052
6061 3.3206 AlMgSi0.5 A6061S 6061 LD2LD3
Al-Mg1SiCu 6061
6063 A6063S 6063 Al-Mg0.7Si
7075 3.4365 AlZnMgCu1.5 A7075S LC4 AlZn5.5MgCu 7075
356 AC4C LM-25 ZL101 Al-Si7Mg(Fe) A-S7G
A356 G(GK)-AlSi7Mg AC4CH Al-Si7Mg
A360(SG100A)
3.2382.05 GD-AlSi10Mg ADC3 Y104(YZAlSi10Mg)
A-S9
380
A380(SC84A)
GD-AlSi9Cu3 ADC10 LM 24 Al-Si8Cu3Fe A-S9U3
383(SC102A)
ADC12 LM2
Zinc Alloy
ASTM DIN JIS BS GB ISO NF
Zamak 3AG40A
2.2140 GD-ZnAl4 ZDC2 ZZnAlD4
Zamak 5AG41A
2.2141 GD-ZnAl4Cu1 ZDC1 ZZnAlD4-1
Copper, Brass, and Bronze Alloy
ASTM DIN JIS BS GB ISO NF
C110C11000
2.0090 E-Cu57 C1100 C101C102
T2 Cu-ETP
C260C26000
2.0265 CuZn30 C2600 CZ106 H70 CuZn30
C268C26800
2.0335 CuZn36 C2680 CZ107 H68 CuZn35
C360C36000
2.03312.0401
CuZn36Pb3CuZn39Pb3
C3601C3602C3603C3604
CZ124CZ121
HPb61-1 CuZn36Pb3CuZn37Pb2CuZn38Pb2CuZn39Pb3
C377C37700
2.0380 CuZn39Pb2 C3771 CZ122 HPb59-1 CuZn38Pb2
C521C52100
2.1030 CuSn8 C5210 PB104 CuSn8
C836C83600
2.1096.01 CuSn5ZnPb BC6BC6C
LG2
ZCuSn5Zn5Pb5 CuPb5Sn5Zn5
C865 2.0592 CuZn35Al1 HBsC1 HTP1 CuZn35AlFeMn
C86500
Other referenced standards.(ANSI ) American National Standards Institute(AISI) American Iron and Steel Institute(AA) Aluminum Association(SAE) Society of Automotive Engineers(ASME) American Society of Mechanical Engineers
Metal Material CompositionMaterial Composition of the Most Frequently Used Materials:Below is a simplified list of the most frequently used materials of SINAMA. Material numbers listed hereafter are mainly based on the ASTM (USA) system.For conversion of these materials in other national standards, please refer to “Metal Standard Conversion”. Note:S: Sheet Metal Stamping MaterialsB: Bar Stock Machining MaterialsF: Forging MaterialsC: Casting Materials
Carbon Steel and Alloy Steel
Number C Si Mn P S Ni Cr Mo Others
1008 0.10 0.30-0.50 0.04 0.05
1010 0.08-
0.13
0.30-0.60 0.04 0.05
1018 0.15-
0.20
0.60-0.90 0.04 0.05
1020 0.18-
0.23
0.30-0.60 0.04 0.05
1035 0.32-
0.38
0.60-0.90 0.04 0.05
1040 0.37-
0.44
0.60-0.90 0.04 0.05
1045 0.43-
0.50
0.60-0.90 0.04 0.05
1050 0.48- 0.60-0.90 0.04 0.05
0.56
12L14 0.15 0.85-1.15 0.04-0.09 0.26-
0.35
Pb0.15-0.35
4135 0.33-
0.38
0.15-
0.35
0.70-0.90 0.035 0.040 0.80-1.10 0.15-0.25
4140 0.38-
0.43
0.15-
0.35
0.75-1.00 0.035 0.040 0.80-1.10 0.15-0.25
5120 0.17-
0.22
0.15-
0.35
0.70-0.90 0.035 0.040 0.70-0.90
5135 0.33-
0.38
0.15-
0.35
0.60-0.80 0.035 0.040 0.80-1.05
5140 0.38-
0.43
0.15-
0.35
0.70-0.90 0.035 0.040 0.70-0.90
6150 0.48-
0.53
0.15-
0.35
0.70-0.90 0.035 0.040 0.80-1.10 V 0.15min
8620 0.18-
0.23
0.15-
0.35
0.70-0.90 0.035 0.040 0.40-
0.70
0.40-0.60 0.15-0.25
Stainless Steel
Number C Si Mn P S Cr Ni Mo Others
304 0.08 1.00 2.00 0.045 0.030 18-20 8-10.5 N 0.10
304L 0.03 1.00 2.00 0.045 0.030 18-20 8-10.5 N 0.10
316 0.08 1.00 2.00 0.045 0.030 16-18 10-14 2.0-3.0 N 0.10
420 0.15 1.00 1.00 0.040 0.030 12-14
430 0.12 1.00 1.00 0.040 0.030 16-18
440 0. 6-1.2 1.00 1.00 0.040 0.030 16-18 0.75
630
(17-4)
0.07 1.00 1.00 0.040 0.030 15-17.5 3-5 Cu 3-5
Aluminum Alloy
Number Al Si Fe Cu Mn Mg Cr Zn Others
2014 Rem 0.5-1.2 0.7 max 3.9-5.0 0.40-1.2 0.20-0.8 0.1max 0.25max Ti0.15max
2024 Rem 0.5max 0.5max 3.8-4.9 0.3-0.9 1.2-1.8 0.1max 0.25max Ti0.15max
5052 Rem 0.25max 0.4max 0.1max 0.1max 2.2-2.8 0.15-0.35 0.10max
6061 Rem 0.4-0.8 0.7 max 0.15-0.40 0.15max 0.8-1.2 0.04-0.35 0.25max Ti0.15max
6063 Rem 0.2-0.6 0.35 max 0.1max 0.1max 0.45-0.9 0.1max 0.1max Ti0.1max
7075 Rem 0.4max 0.5max 1.2-2.0 0.3 max 2.1-2.9 0.18-2.8 5.1-6.1 Ti0.20max
356 Rem 6.6-7.5 0.6 max 0.25max 0.35
max
0.20-
0.45
0.35 max Ti0.25max
A356 Rem 6.6-7.5 0.2 max 0.2max 0.1 max 0.25-
0.45
0.1 max Ti0.20max
A360 Rem 9-10 1.3 max 0.6max 0.35max 0.4-0.6 0.5 max Ni0.5max
Sn0.15max
380 Rem 7.5-9.5 1.3 max 3-4 0.5max 0.1 max 3 max Ni0.5max
Sn0.35max
A380 Rem 7.5-9.5 2 max 3-4 0.5max 0.1 max 3 max Ni0.5max
Sn0.35max
Zinc Alloy
Number Al Mg Zn Cd Cu Fe Pb Sn Others
Zamak
#3
4.1 0.04 96 AG40A
Zamak
#5
3.5-4.3 0.03-
0.08
94.25-
95.72
0.004max 0.75-
1.25
0.1max 0.005max 0.003max AG41A
Copper, Brass, and Bronze Alloy
Number Cu Pb Fe Sn Zn Mn Ni P Others
C110 99.9
C260 68.5-
71.5
0.07max 0.05max Rem
C268 64-68.5 0.07max 0.05max Rem
C360 60-63 2.5-3.7 0.35max Rem
C377 58-61 1.5-2.5 0.3max Rem
C521 Rem 0.05max 0.1max 7-9 0.2max 0.03-0.35
C836 84-86 4.0-5.7 0.25 4.6-6.0 4.3-6.0 0.8 Al0.005max
C865 55-60 0.3 0.4-2 1 36-42 0.1-1.5 0.8 Al0.5-1.5
- There are a lot more materials available, but due to the size limit of this web page, we could only make a list of the most frequently used ones.- Also due to the size limit of this web page, the mechanical properties and some detail requirements of the composition could not be included in this list.- Materials could have different names when the form/utility is changed. For example, SS304 could be specified as CF-8 when used for casting processes.- Any further information, please contact SINAMA, we will have our metallurgist to answer
