AISC-0603HP-56NG-T AISC-0603HP-56NJ-T AISC-0603HP-5N1B-T AISC-0603HP-5N1J-T AISC-0603HP-68NG-T AISC-0603HP-68NJ-T AISC-0603HP-6N2B-T AISC-0603HP-6N2J-T AISC-0603HP-6N8B-T AISC-0603HP-6N8J-T