FULLERKREG explains the low-temperature Charpy impact test (ISO 898-1:2013, KV2, -20°C) for DIN933 A4-80 SUS316 stainless steel bolts — what the results mean, why the test matters, and how to...
Read MoreA comprehensive technical reference covering hex nut across-flats (S), hex bolt head across-flats (S), socket head cap screw drive sizes, and metric/imperial thread pitch tables across GB, ISO, DIN, ASTM...
Read MoreA side-by-side technical comparison of 9Cr18Mo, 9Cr18MoV martensitic stainless steels, and 1.7729 (20CrMoVTiB4-10) high-temperature bolting steel — covering GB/T 1220 and EN 10269 chemical composition, mechanical properties, and application selection...
Read MoreA lighthearted look at how a FULLERKREG fastener grows up — from raw material inspection through forming, heat treatment, surface finishing, and final quality checks before shipping. A fun introduction...
Read MoreFULLERKREG supplies DIN/ISO/UNI/ASME standard and non-standard fasteners — bolts, nuts, screws, studs, washers — and raw material in a comprehensive range of special alloys including Inconel, Hastelloy, Monel, Duplex stainless,...
Read MoreA comprehensive technical comparison of Zr702 (R60702) and Zr705 (R60705) zirconium alloys — covering ASTM B550 chemical composition, mechanical properties, and how to select the right zirconium grade for nuclear,...
Read MoreA comprehensive technical comparison of 630 (17-4PH, S17400) and 616 (S42200) precipitation-hardening stainless steels — covering ASTM A564/A565 chemical composition, mechanical properties across all heat treatment conditions (H900 through H1150D),...
Read MoreA side-by-side technical comparison of Titanium Grade 2, Titanium Grade 5 (Ti-6Al-4V), and C63000 Aluminum Bronze — covering ASTM chemical composition, mechanical properties, and how to select the right material...
Read MoreA side-by-side technical comparison of CA 104 Aluminum Bronze, C52100 Phosphor Bronze, and 9Cr18 Martensitic Stainless Steel — covering chemical composition, mechanical properties by bar size, and how to select...
Read MoreA side-by-side technical comparison of Hastelloy C-276, Hastelloy C-22, and A453 Gr.660 (A-286) — covering ASTM chemical composition, mechanical properties by grade/size, and how to select the right alloy for...
Read More