Temper, Hardness, Finish Conversion Chart
Temper, Hardness, Finish Conversion Chart
Temper Conversion
|
AMFCE |
EN10202 |
Old EN |
ASTM |
Annealing |
Reduction |
|
TS230 |
TS230 |
T50 |
T1 |
BA |
SR |
|
TS245 |
TS245 |
T52 |
T2 |
BA |
SR |
|
TS260 |
TS260 |
T55 |
|
BA |
SR |
|
TS275 |
TS275 |
T57 |
T3 |
BA |
SR |
|
TS290 |
TS290 |
T59 |
T4 |
BA |
SR |
|
TS340 |
|
|
|
BA |
SR |
|
TS480 |
|
|
|
BA |
DR |
|
TS500 |
|
|
|
BA |
DR |
|
TS520 |
|
DR520 |
DR7.5 |
BA |
DR |
|
TS550 |
|
DR550 |
DR8 |
BA |
DR |
|
TH330 |
|
|
|
CA |
SR |
|
TH360 |
|
|
|
CA |
SR |
|
TH415 |
TH415 |
T61 |
T4 |
CA |
SR |
|
TH435 |
TH435 |
T65 |
T5 |
CA |
SR |
|
TH460 |
|
|
CA |
DR |
|
|
TH480 |
|
|
CA |
DR |
|
|
TH520 |
TH520 |
DR520 |
DR7.5 |
CA |
DR |
|
TH550 |
TH550 |
DR550 |
DR8 |
CA |
DR |
|
TH580 |
TH580 |
DR580 |
DR8.5 |
CA |
DR |
|
TH620 |
TH620 |
DR620 |
DR9 |
CA |
DR |
|
HARDNESS COMPARISON |
|||||||
|
(Based on ASTM A623) |
|||||||
|
Designation |
T-1 |
T-2 |
T-3 |
T-4 |
T-5 |
DR-8 |
DR-9 |
|
Aim Rockwell Range (30-T Scale) |
|
|
|
|
|
|
|
|
FINISH |
|
|
(Based on ASTM STANDARDS) |
|
|
7B |
BRIGHT |
|
7C |
STONE |
|
5C |
SILVER |
|
5C /5D |
MATTE |