ASTM A350 LF2 Blind Flanges Low temperature Flanges A350 LF2,ANSI B16.5, B16.47,ASME SA350 LF2 Cl1 Flanges

C&N is a  professional manufacturer of steel forged A350 LF2 flange in China, A350 LF2 Blind flange,Blind raise face flange,ANSI B16.5 blind flange,blind ring joint flange,ASME SA350 LF2 Cl1 Blind Flanges

ASTM A350 Grade LF2 is a general forged Carbon steel usually supplied in the Normalised, Normalised and Tempered or Quench and Tempered condition.It is typified by having moderate strength and impact toughness and is used extensively for the manufacture of flanges and forged fittings,

Our production scope:
ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSIB16.48 flange
Weld neck flange,WNRF Flange,Welding neck raise face flange,

Low temperature:A 350 LF1, LF2, LF3, A 350 LF2 Flange

Size 1/2″-120″ (DN15-DN3000)
Pressure: Class150-Class2500

Surface Treatment： Surface galvanized, antirust coating, Epoxy & FBE Coating,protected with plastic caps

Packing：Pallet/Wooden case(Fumigation free)

CertificateISO9001,EN10204 3.1 MTC Quality control In house and third party

ASTM A350 LF2 specification

ASTM A350 – LF2 composition & Mechanical Property

CHEMICAL ANALYSIS (ASTM A350M)

STEEL DESIGNATION	CHEMICAL COMPOSITION
SYMBOLIC	C max	Mn	Si	P max	S max	Cr max	Mo max	Cu max	Ni max	V max	Nb max
ASTM A350 – LF2	0,30	0,60 -1,35	0,15- 0,30	0,035	0,040	0,30	0,12	0,40	0,40	0,08	0,02

MECHANICAL CHARACTERISTICS (ASTM A350M)

ASTM A350 Grade LF2  Flanges Heat treatment requirement:

LF2 grade usually supplied in the Normalised, Normalised and Tempered or Quench and Tempered condition.

ASTM A350 Grade LF2  Flanges Hardness requirement 

Hardness HB <197HB this meets the requirements for carbon steel forgings in NACE MR0175/ISO 15156-2.

ASTM A350 LF2 Flanges Certification

In addition to the requirements of Specification A961/A961M, test reports shall be furnished to the purchaser or hisrepresentative. Test reports shall provide the following where applicable:

1 Type heat treatment, Section 5,

2 Chemical analysis results, Section 6 (Table 1), re￾ported results shall be to the same number of significant figures

as the limits specified in Table 1 for that element,

3 Product analysis results, 6.2 (Table 1),

4 Tensile property results, Section 7 (Table 2) report

the yield strength and ultimate strength, in ksi [MPa], elongation and reduction in area, in percent,

5 Impact test results, 7.2 (Table 3, Table 4, Table 5, and Table 6),

6 Hardness results, 7.3.1, and

7 Any supplementary testing required by the purchase order.

FlgWN, A350LF2, CL2500, RTJ, 16IN 2.375W, B16, Flange – Weld Neck Carbon Steel Per ASTM A350 Grade LF2 ASME Class  2500 Ring Type Joint 2.375 Inch