1.weight:4000kg,5000kg,6000kg,7000kg,8000kg 2.forging and casting 3.class cert: CCS,ABS,LRS,NK,ETC. NOMINAL WEIGHT SIZE LBS B C D E F h 300 727 635 319 562 348 510 400 800 699 351 619 364 570 500 863 753 379 666 412 614 600 914 800 402 708 438 652 750 984 842 423 763 461 687 800 1008 880 443 778 483 710 1000 1071 948 477 839 520 773 1200 1152 1008 507 892 532 822 5000 1884 1622 816 1436 889 1323 ...