ASTM A350 GRADE LF2 CLASS 1 FLANGES

ASTM A350 GRADE LF2 CLASS 1 FLANGES

A350 LF2 CL1 Flanges.

LF2 Flanges are used for low temperature services and requiring notch toughness testing. LF2 flanges are used in nuclear components, heat ex-changers, oil and gas industries. etc

Type of Flanges  

WN (Welding Neck), SO (slip on), PL (Plate), BL (Blind), Th (Threaded), SW (socket welding), LF/SE (lapped flange/stub end), LWN (long welding neck), Orifice flange, Reducing flange, etc

Nominal Chemical Requirement.

Grade	C	Mn	P	S	Si	Cu	Ni	Cr	Mo	Cb	V
LF2	-	0.60	-	-	0.15	-	-	-
	0.30	1.35	0.035	0.040	0.30	0.40	0.40	0.30	0.12	0.02	0.08

Mechanical Requirement.

Grade	Condition	Tensile Strength min (MPa)	Yield Strength min (MPa)	Elongation (L = 4d%)	Reduction of Area % min	Brinell Hardness max
LF2	-	485-655	250	22	30	-
	-

Impact Properties.

Requirement for standard specimen size (10mm x 10mm)

Minimum Energy required for average of each set of 3 specimen - 20 Joules

Minimum impact energy permitted for 1 specimen only of 1 set - 16 Joules

Standard Impact Test temperature for standard size (10mm x 10mm)

-50°F ( -46°C)

For Detail Information on ASTM A350 LF2 Flanges navigate to our Product page >> ASTM A350 LF2 Class 1 Flanges >> FerroBend