Tianjin Bohai Metal Corporation

A709 Grade 50S steel plate

A709 Grade 50S steel plate A709 Grade 50S steel grade is a high strength low alloy structural carbon steel used in building bridge projects. Compare A709 Gr.100, and A709 Gr.50w grade, A709 Gr.50S has a lowest yield strength in 345Mpa in usual. A 709 Gr.50S requests killed or semi-killed in manufacture.

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Commodity name: A709 Grade 50S steel plate

Product introduction

A709Gr50S,A709Gr.50S,A709 Grade 50S,A709 Gr 50S,Grade A709Gr50S,A709 Grade 50S

Adopt standard: ASTM A709/A709M-07
Gnee steel grade:A709 Gr.100/100W,A709 Grade 36,A709 Grade 50,A709 Grade 50S,A709 Grade 50W,A709 Grade HPS50W,A709 Grade HPS70W,A709 Grade 100,A709 Grade 100W,A709 Grade HPS100W.

A709 Grade 50S steel plate

A709 Grade 50S steel grade is a high strength low alloy structural carbon steel used in building bridge projects.

Compare A709 Gr.100, and A709 Gr.50w grade, A709 Gr.50S has a lowest yield strength in 345Mpa in usual. A 709 Gr.50S requests killed or semi-killed in manufacture.

Chemical composition & Mechanical property

For more property in A709 Gr.50S steel plate, please check them in following;
A709 Grade 50S Chemical composition Heat analysis

Element	Chemical %
C, max	0.23
Mn	0.50-1.60A
Si ,max	0.40
V ,max	0.15B
Nb ,max	0.05B
P ,max	0.035
S ,max	0.045
Cu ,max	0.60
Ni xma	0.45
Cr ,max	0.35
Mo ,max	0.15

A 709 Gr. 50S mechanical property

A709 Grade	Thick mm	Yield [MPa]	Tensile [MPa]	Elongtation Min %				reduction Min %	HB
				Steel Plate		Structural steel
				8in[200mm]	2in[50mm]	8in[200mm]	2in[50mm]
36[250]	≤100	[250]min	400-550	20	23	20	21	…	…
36[250]		[250]min	400min	…	…	20	19	…	…
50[345]	≤100	345min	450min	18	21	18	21F	…	…
50S[345S]	G	345-450HI	450minH	…	…	18	21	…	…
50W[345W] HPS50W[HPS345W]	≤100	345min	485min	18	21	18	21J	…	…
HPS70W[HPS485W]	≤100	485min	585-760	…	19K	…	…	…	…
100 [690], 100W [690W],HPS100W [HPS690W]	≤65	690minB	760-895	…	18K	…	…	L	235-293M
100 [690], 100W [690W],	65-100	620minB	690-895	…	16K	…	…	L	…