FAS-USL

Wear resistant round link chains.
Crown hardened, special - annealed.

**Dimensions and mechanical properties**
Chain size d×t(p) [mm]	b₁ max. [mm]	b₂ max. [mm]	Test force [kN]	Breaking force [kN]	Deflection f min. [mm]	∼ Weight [kg]
18×64	21	60	320	510	18	6.6
19×64/64.5	22	63	360	565	19	7.4
22×86	26	73	480	760	22	9.5
24×86/87.5	28	79	570	900	24	11.6/11.5
26×92	30	85	670	1 060	26	13.7
20×100	31	87	478	956	26	13.3
30×108	34	97	890	1 400	30	18.0
34×126	38	110	1 140	1 800	34	22.7
34×136	39	113	817	1 634	34	22.5

Unit elongation at test force max 1.6%. Unit elongation at breaking force min. 12%.
FAS-USL chains (grade 9) are produced in the hardness range of:
at crowns 375÷400 HBW; at legs 328÷352 HBW.
Other grades of FAS-USL chains (grades 6 and 8) are available at the customer's request
and following the individual agreements with the customer.