Ningbo Yokelink Machinery Co.,Limited

Ningbo Yokelink Machinery Co.,Limited

ASTM A449 SPECIFICATION

2022 05/23

A449 BOLTS

This ASTM A449 Bolts specification covers quenched and tempered, medium strength hex cap screws, headed bolts, rods and nuts from 1/4" to 3" in diameter. ASTM A449 products are

A449 (1)


manufactured from medium carbon or alloy steel and are heat treated to acheive their required mechanical properties. ASTM A449 is very similar to ASTM A325 in chemistry and strength but covers a wider range of diameters.

ASTM A325 was replaced by ASTM F3125 in year 2016, which A325 now becomes a grade under the F3125 specification. When you need A325 Structural Bolts, refer to above our catalog. We offer them in a full selection of sizes. Provide the length, diameter or part number. Our ASTM A325 Structural Bolts are available plain or with hot dip galvanized (HDG) finish. To get a quote on these bolts, leave your message, or send us an email. You can also call us to get answers to your questions and place your order.

Yokelink-A449 Bolt