Tinplate Reference Chart

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HARDNESS RANGES

(Based on ASTM A623)
DesignationT-1T-2T-3T-4T-5DR-8DR-9
Aim Rockwell Range
(30-T Scale)
45-5349-5753-6157-6561-6970-7673-79

TIN COATING WEIGHTS

(Based on ASTM A624)
Designationlbs/BBg/m2
100.05/0.051.1/1.1
200.10/0.102.2/2.2
250.125/0.1252.8/2.8
350.175/0.1753.9/3.9
500.25/0.255.6/5.6
750.375/0.3758.4/8.4
1000.50/0.5011.2/11.2
50/250.25/0.1255.6/2.8
75/250.375/0.1258.4/2.8
75/500.375/0.258.4/5.6
100/250.50/0.12511.2/2.8
100/500.50/0.2511.2/5.6
100/750.50/0.37511.2/8.4
135/250.675/0.12515.2/2.8

DECIMAL EQUIVALENTS

FractionDecimalMillimeter
1/160.06251.5875
1/80.12503.1750
3/160.18754.7625
1/40.25006.3500
5/160.31257.9375
3/80.37509.5250
7/160.437511.1125
1/20.500012.7000
9/160.562514.2875
5/80.625015.8750
11/160.687517.4625
3/40.750019.0500
13/160.812520.6375
7/80.875022.2250
15/160.937523.8125
11.000025.4000

THICKNESS CONVERSION

Base Weight (lbs)Thickness (inches)Thickness (mm)
500.00550.140
540.00590.151
550.00610.154
570.00630.159
590.00650.165
610.00670.170
630.00690.176
650.00720.182
660.00730.184
680.00750.190
700.00770.196
720.00790.201
740.00810.207
750.00810.207
770.00850.215
790.00870.221
810.00890.226
830.00910.232
850.00940.237
860.00950.240
870.00960.243
890.00980.249
910.01000.254
930.01020.260
950.01050.265
960.01060.268
980.01080.274
1000.01100.279
1020.01120.285
1040.01140.291
1050.01160.293
1070.01180.299
1090.01200.305
1110.01220.310
1130.01240.316
1150.01270.312
1160.01280.324
1180.01300.330
1200.01320.335
1220.01340.341
1240.01360.346
1250.01380.349
1270.01400.355
1290.01420.360
1310.01440.366
1330.01460.372
1350.01490.377
1360.01500.380
1390.01530.388
1410.01550.394
1450.01600.405
1480.01630.414

HARDNESS RANGES

(Based on ASTM A623)
DesignationT-1T-2T-3T-4T-5DR-8DR-9
Aim Rockwell Range
(30-T Scale)
45-5349-5753-6157-6561-6970-7673-79