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This is a chromium-nickel grade of stainless steel that may be hardened by a single low-temperature precipitation-hardening heat treatment. Excellent mechanical properties at a high strength level may be obtained by such treatment. Scaling and distortion are minimized. This material should not be used in the solution treated condition.
The strength and corrosion resistance properties of 17-4 hold up well in service temperatures up to 800°F.
Fabrication techniques for this steel are similar to those established for the regular stainless steel grades. This material machines well, has excellent welding characteristics, and forges easily. The combination of excellent mechanical and processing properties makes this grade adaptable to a wide variety of applications.

AISI 630
UNS SI7400

Color Marking:
Bars—Ends painted Blue and Yellow
Plates—Corner striped Blue and Yellow

Stock Lengths 10' to 14'
Unit of Measure
Items Flats
1/8 x 3/4
17-4 Hot Rolled, Annealed and Pickled Stainless Steel - Flats
Flats
1/8 x 1
17-4 Hot Rolled, Annealed and Pickled Stainless Steel - Flats
Flats
1/8 x 1 1/2
17-4 Hot Rolled, Annealed and Pickled Stainless Steel - Flats
Flats
1/8 x 2
17-4 Hot Rolled, Annealed and Pickled Stainless Steel - Flats
Flats
5/16 x 1 1/4
17-4 Hot Rolled, Annealed and Pickled Stainless Steel - Flats
Estimated Weight per Foot N/A .3191 lb N/A .4254 lb N/A .6381 lb N/A .8508 lb N/A 1.329 lb
Estimated Weight 12-Ft. Bar N/A 3.829 lb N/A 5.105 lb N/A 7.657 . lb N/A 10.21 lb N/A 15.95 lb