Alloy Steel Composition

ALLOY PIPES / PLATES

Specifications Governing Y Steel Tubes Are As Under

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Pipes	Tubes
ASTM A 335 Grade P - 11	ASTM 213 Grade T - 11
ASTM A 335 Grade P - 12	ASTM 213 Grade T - 12
ASTM A 335 Grade P - 22	ASTM 213 Grade T - 22
ASTM A 335 Grade P - 9	ASTM 213 Grade T - 5
ASTM A 335 Grade P - 9 A	ASTM 213 Grade T - 9
ASTM A 335 Grade P - 5	ASTM 213 Grade T - 9 A
BS 3604 Grade 620 - 440	ASTM 213 Grade T - 2
BS 3604 Grade 621	ASTM 213 Grade T - 1
BS 3604 Grade 622	ASTM 213 Grade T - 1 B
BS 3604 Grade 625	DIN 17175 15 Mo 3
BS 3604 Grade 629 - 470	DIN 17175 13 Cr Mo 44
BS 3604 Grade 629 - 590	DIN 17175 10 Cr Mo 910
BS 3604 Grade 660	DIN 17175 14 Mo V 63
BS 3604 Grade 762	DIN 17175 X 20 Cr Mo V 121
	BS 3059 Grade 243
	BS 3059 Grade 620 - 460
	BS 3059 Grade 622 - 490
	BS 3059 Grade 629 - 470
	BS 3059 Grade 629 - 590
	BS 3059 Grade 762