Series IA – Thép Carbon
QRC-IA-06-M-G04-B-W3AA
QRC-IA-06-F-G04-BT-W3AA
QRC-IA-10-M-G06-B-W3AA
QRC-IA-10-F-G06-BT-W3AA
QRC-IA-12-M-G08-B-W3AA
QRC-IA-12-F-G08-BT-W3AA
QRC-IA-19-M-G12-B-W3AA
QRC-IA-19-F-G12-BT-W3AA
QRC-IA-25-M-G16-B-W3AA
QRC-IA-25-F-G16-BT-W3AA
QRC-IA-31-M-G20-B-W3AA
QRC-IA-31-F-G20-BT-W3AA
QRC-IA-38-M-G24-B-W3AA
QRC-IA-38-F-G24-BT-W3AA