ASTM | EN | DIN | EXPLANATION | 1 | 1D | c2/IIa | Hot rolled, annealed, matt surface | 2D | 2D | h/IIIb | Cold drawn, annealed, matt surface | 2B | 2B | n/IIIc | Cold drawn, annealed, matt surface, | 3 | 2G | o/IV | cleaned and lightly polished | 4 | 2J | p/V | Cold drawn, annealed, matt surface, | BA | BA | m/IId | satin applied (Rough) | | HL | | Cold drawn, annealed, matt surface, |
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