This specification covers the chemical, physical and mechanical requirements for structural bolts manufactured from steel and alloy steel, in two strength grades, two styles and two types. This specification is a consolidation of and replacement for six ASTM standards ranging from 1/2″ through 1-1/2″ diameter: A325, A325M, A490, A490M, F1852 and F2280. The main difference between this standard and the older, existing standards is that A325s from 1-1/8" to 1-1/2" now have the same mechanical requirements as A325s 1" and under. Previously the larger bolts had slightly lower requirements.
Our main products include:
---Standard fasteners: Bolts, Threaded Rods, Nuts, Washers, Retaining Rings, Pins, Rivets, Screws, Welds, Thread inserts
---Standards include: ANSI, ISO, DIN, GOST, JIS, BS etc.
---Materials include: Specialty Steel(MP35N, Hastalloy, Inconel, Monel), Stainless Steel, Carbon and Alloy Steel, ASTM A193, Grade B5/B7/B7M/B8/B8M/L7/B16; A194 Grade 2H/2HM
---Coatings include: Blue White Zinc, Yellow Zinc, Black Zinc, Black Oxide, Hot Dip Galvanized, PTFE, Mechanial Galvanized, etc.
---Non-Standard Customization Products According to Drawing
---CNC Machining parts, Casting, Forging, Turning, Milling, Stamping die casting parts
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