API 5L,Grade B,Specification,Aribasteel,england

Specification			API 5L (1)							(1992)
Product			Thicknesses			Dimensional Tolerances
Plates			6.00 Ł e Ł 25.40 mm			NBR 6664
Hot-Rolled Products			e Ł 12.50 mm			NBR 6663 / 6664
Application			Produced Dimensions
Pipes and Tubes			B				B
			1M-2M				1M-2M
Chemical Composition %			Grades (2)
			A				B
C	maximum		0.21				0.26
Mn	maximum		0.90				1.15
P	maximum		0.030				0.030
S	maximum		0.030				0.030
Deoxidation			Si and Al Killed				Si and Al Killed
Mechanical Properties
Minimum Yield Point (TT or TL) (MPa)			207				241
Minimum Tensile Strength (MPa)				331				413
		5.87 - 6.19 mm			31.0				25.5
		6.20 - 6.34 mm			31.5				25.5
		6.35 - 6.70 mm			31.5				26.0
		6.71 - 7.03 mm			32.0				26.0
		7.04 - 7.20 mm			32.0				26.5
Minimum		7.21 - 7.71 mm			32.5				26.5
Elongation		7.72 - 8.37 mm			33.0				27.0
% L_O= 50 mm		8.38 - 8.55 mm			33.5				27.0
		8.56 - 9.06 mm			33.5				27.5
		9.07 - 9.24 mm			34.0				27.5
		9.25 - 9.74 mm			34.0				28.0
		9.75 - 10.07 mm			34.5				28.0
		10.08 - 10.38 mm			34.5				28.5
		10.39 - 11.07 mm			35.0				28.5
		11.08 - 11.27 mm			35.0				29.0
		11.27 - 12.09 mm			35.5				29.0
		12.10 - 12.59 mm			36.0				29.5
		> 12.59 mm			36.0				29.5
Notes
1) Only upon consultation.
2) For cold-expanded tubes, elastic ratio (LE/LR) Ł 0.93. LE/LR - Yield Point/Tensile Strength