Steel Providers
24 Hour service

A-709

Overview

A 709-50 has good strength to weight ratios and is conducive to bridge and support applications. The enhanced strength allows for thinner sections and yield the same support over heavier uses of mild steel.

Tensile Requirements

*Elements represented in percentage
Where “-” appears in this table, there is no requirement.

Grade Plate Thickness, in. [mm] Yield Point or Yield Strength, Bksi [MPa] Tensile Strength, ksi [MPa] Min. Elongation, %
Plates and BarsC,E
8 in. or 200 mm
36 [250] to 4 [100], incl 36 [250] min 58-80 [400-550] 20
36 [250] min 58 [400] min
50 [345] to 4 [100], incl 50 [345] min 65 [450] min 18
50S [345S] G 50-65 [345-450]H,I 65 [450]Hmin
50W [345W] and HPS 50W [HPS 345W] to 4[100], incl 50 [345] min 70 [485] 18
HPS 70W [HPS 485 W] to 4[100], incl 70 [485] minB 85-110 [585-760]
HPS 100W [HPS 690 W] to 2½[65], incl 100 [690] minB 110-130 [760-895]
over 2½ to 4 [65 to 100], inclM 90 [620] minB 100-130 [690-895]
image_pdfimage_print