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Home > ASTM > ASTM A516 Grade 55 Carbon Steel Plate

ASTM A516 Grade 55 Carbon Steel Plate

Product:This specification ASTM A516 Grade 55 covers carbon steel plates intended primarily for use in welded pressure vessels where improved notch toughness is important. ASTM A516 allows for four different strength levels. The most common is Grade 70.

Key words:A516 Grade 55,ASTM A516 Grade 55, A516 Grade 55 Carbon Steel Plate,ASTM A516 Grade 55 Carbon Steel Plate,ASTM A516 Grade 55 Carbon Steel Plate for pressure vessels.

ASTM A516 Grade 55 steel chemical composition :

Compostion			A516 Grade 55
C ≤ ①	≤ 12.5mm		0.18
	＞ 12.5mm ~ 50mm		0.20
	＞ 50mm ~ 100mm		0.22
	＞ 100mm ~ 200mm		0.24
	＞ 200mm		0.26
Mn	≤12.5mm	Heat analyse	0.60~0.90
		Product analyse	0.55~0.98
	12.5mm~50mm	Heat analyse	0.60~1.20
		Product analyse	0.55~1.30
P ≤ ①			0.035
S ≤ ①			0.035
Si	Heat analyse		0.15~0.40
	Product analyse		0.13~0.45

① means be suitable for both heat analyse and product analyse

ASTM A516 Grade 55 Mechanical Properties :

Grade	Tensile KSI	Yield KSI Min	Elongation Min %
			8”	2”
55	55-75	30	23	27

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