API Flange--hebei Yihang Pipe Fitting Manufacture

For forged steel flanges, we supply per all foreign standards like ASME, ANSI, MSS, API, AWWA, EN, DIN, BS, NFE, JIS, JPI, KS, AS, as well as Chinese standards such as GB, JB, HG and SH with all types. The pressure rating is from Class 25LB to Class 2000LB in inch system and from PN0.25MPa to PN40MPa in metric system. The materials of the flange contain carbon steel, alloy steel, stainless steel and high alloy steel. The size range is from 1/2 to 144 in inch system and from DN10 to DN4000 in metric system. We also supply special flanges like Long Welding Neck, Anchor, and Outlets for pressure equipment or pipeline engineering per ASME and API codes.

size	1/2" to 24" ASME B16.5
	26"to 80" ASME B16.47
Type	WNF, SO, SWF, BL, OF,LF,PL
Face	RF, FF, MF, MFM, RJ, TG, RTJ, SRF,
Pressure	Class 150Lbs, 300Lbs, 600Lbs, 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, E
standard	ASME B16.5, ASME B16.47, ASME B16.36,DIN 86341-2000, DIN2505
material	Carbon steel(ASTM A105, Q235,A350LF2,A350LF3,)
	Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321,F347,F310F44F51,A276 S31803, A182, F43, A276 S32750,A705 631,632,A961, A484,
	Alloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, A182 F12,F11,F22,F5,F9,F91,F1ECT)
qualification	ISO9001:2008 Quality Mangement System Certificate,ISO 14001 Environment Mangement System Certificate,OHSAS18001 Occupational Health & Safety Mangement System Certificate, acquired the license for manufacturing special pressure Pipline equipments from AQSIQ , passed the Authentication of API and became a member of first – grade supply network of State Power Corporation and China National Petroleum Corporation.We are also qualified the standard material supplier of China National Offshore Oil Corporation and China Petroleum Pipline Bureau.It was recognized by China Classification Society and admitted an associator  by EnergyAhead Sources Net of China Petroleum Distribution Electronic Market.
packing	in wooded cases or pallets,or as for clients'requirements
application	Petroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etc
Special design available as the requirement of customer

  Flange Production Process

 Big Diameter Flange-Welding Neck Flange

  Big Diameter Blind Flange

 Flange Material Testing- Outdoor