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
Document: MTC Comply with EN10204 3.1 can be provided prior to shipment
| Material | stainless steel :A 182 F 304/304L/316/316L/321/347,
Duplex F51/F53/F44/F55/F60/F61 Alloy steel :STM A694/ A694M F42/F46/F52/F56/F60/F70,A182 F5,F9,F11 Carbon steel:ASTM A 105, ST37.2 A 350 LF1, LF2, LF3,API 6A AISI 4130 |
|||||||
| Standard | ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSIB16.48, JIS/KS (5K, 10K, 16K, 20K), DIN2633, DIN2634, DIN2635,EN1092,BS4504,AWWA C206,API 6A ,Customized drawings welcomed | |||||||
| Size | 1/2″ – 120 ” (DN15-DN3000) | |||||||
| Pressure | Class150-Class2500 JIS 5k-30k DIN 6bar-40bar | |||||||
| Type | slip on flange, Weld Neck Flange Threaded Flange Blind Flange, Orifice Flange socket weld flange, Spacer Ring, Paddle, Spectacle Blind Flange | |||||||
| Surface Treatment | Surface galvanized, antirust coating, Epoxy & FBE Coating,protected with plastic caps | |||||||
| Packing | Pallet/Wooden case(Fumigation free) | |||||||
| Certificate | ISO9001,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)
| STEEL | ||||||
| SYMBOLIC | NUMERIC | Re min | Rm | A min | Z min | Kv -46°C cl.1 |
| N/mm2 | % | % | J | |||
| ASTM A350 – LF2 | 250 | 485 ÷ 655 |
22 | 30 | 27 | |
| M.T. COLORATION | QUALITY | HEAT TREATMENT | SURFACE |
|---|---|---|---|
| ASTM A350 – LF2 | Normalised | rolled peeled h13 forged turned |
Please feel free to send us to your inquiry
