China Wholesale Spectacle Flanges Factories – Forged Weld Neck Flange – C. Z. IT

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China Wholesale Spectacle Flanges Factories – Forged Weld Neck Flange – C. Z. IT Detail:

SPECIFICATION

Product Name	Lap joint/Loose flange
Size	1/2″-24″
Pressure	150#-2500#,PN0.6-PN400,5K-40K
Standard	ANSI B16.5,EN1092-1, JIS B2220 etc.
Stub end	MSS SP 43, ASME B16.9
Material	Stainless steel: A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H, A182F316Ti, 317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571,1.4541, 254Mo and etc.
	Carbon steel: A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24 , A515 Gr60, A515 Gr 70 etc.
	Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc.
	Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc.
	Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc.
	Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3,15Crmo, etc.
Application	Petrochemical industry;aviation and aerospace industry;pharmaceutical industry;gas exhaust;power plant;ship building;water treatment,etc.
Advantages	ready stock,faster delivery time;available in all sizes,customized;high quality

DIMENSION STANDARDS

PRODUCTS DETAIL SHOW

1. Face
Can be raised face(RF), full face(FF), Ring joint(RTJ) , Groove, Tongue, or customized.

2.Bevel end as per ANSI B16.25

3.CNC fine finished.
Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra. The range 3.2/6.3Ra is most common.

MARKING AND PACKING

• Each layer use plastic film to protect the surface

• For all stainless steel are packed by plywood case. For bigger size carbon flange are packed by plywood pallet. Or can be customized packing.

• Shipping mark can make on request

• Markings on products can be carved or printed. OEM is accepted.

INSPECTION

• UT test

• PT test

• MT test

• Dimension test

Before delivery, our QC team will arrange NDT test and dimension inspection.Also accept TPI(third party inspection).

PRODUCTION PROCESS

1. Choose Genuine raw material	2. Cut raw material	3. Pre-heating
4. Forging	5. Heat treatment	6. Rough Machining
7. Drilling	8. Fine maching	9. Marking
10. Inspection	11. Packing	12. Delivery

COOPERATION CASE

A project in Turkey, flanges are used in natural gas pipelines. All those flanges are approved by TUV.

FLANGE DATA SHEET

1. Flange dimensions and tolerances shall be according to ASME B16.5.
2. Flanges shall be produced by forging.
3. Materials shall be according to ASTM A105, ASTM A694 F65 and ASTM A694 F70 standards.
4. ASTM A694 F65 and ASTM A694 F70 flanges shall be quenched and tempered.
5. Material test certificates and heat treatment reports shall be made available for TPI inspections.
6. WN flanges shall be with bevel ends acc. to ASME B16.25.
7. Materials chemical and mechanical test values(impact, yield,tensile etc.)shall be according to related standards.
8. All surfaces shall be machined and varnished with a transparent oil to prevent rusting.
9. Marking shall include the following information,

• Diameter (exp. 6”)
• Pressure class (exp. 150 LB)
• Material Grade (exp. ASTM A 105)
• Wall thickness (exp. 4,78 mm)
• Heat No (exp. 138413)
• Production standard (ASME B16.5)

ANSI B16.5 Wn Flange A105 Astm A694 F65 F70 Cl150 Cl400 Welding Neck Flange

10. Materials shall be free from any surface defects and cracks. Welding repairs are strictly forbidden.
11. All flanges shall be raised face (RF) with sealing surface. Sealing surface shall be Ra 3,2 – 6,3 µm (125 – 250 mic. inc.) acc. to ASME B46.1.
12. Materials shall be packed to prevent damages to machining, and sealing surfaces.
13. All dimensions shall be in positive (+) tolerances. Minus tolerances are strictly forbidden.
14. Flange bevellings shall be made acc. to ASME B16.25.
15. Manufacturing process will be checked at any time by TPI.
16. TPI may take samples from any material for chemical/mechanical test sample.
17. Incoming inspection report shall be reviewed by TPI.

Item	Size (Inch)	Pressure Class	CS	Material	W.T. (mm)	Location	Qty.
S.O.R.F	12	150LB	20	A105	-	TANK FLANGES	48
S.O.R.F	8	150LB	20	A105	-	TANK FLANGES	32
S.O.R.F	3	150LB	20	A105	-	TANK FLANGES	32
Flange, Weld Neck	24	150LB	20	A105	14	TANK FLANGES	2
Flange, Weld Neck	24	150LB	20	A105	5.54	TANK FLANGES	4
S.O.R.F	20	150LB	20	A105	-	TANK FLANGES	6
Flange, Weld Neck	24	150LB	20	A105	5.54	TANK FLANGES	8
Flange, Weld Neck	24	150LB	20	A105	14	TANK FLANGES	8
Flange, Weld Neck	24	150LB	20	A105	16	TANK FLANGES	8
S.O.R.F	3	150LB	20	A105	-	TANK FLANGES	24
S.O.R.F	20	150LB	20	A105	-	TANK FLANGES	6
Flange, Weld Neck	24	150LB	20	A105	5.54	TANK FLANGES	8
Flange, Weld Neck	24	150LB	20	A105	14	TANK FLANGES	16
Item	Size (Inch)	Pressure Class	CS	Material	W.T. (mm)	Location	Qty.
Flange, Weld Neck	24	400LB	62	ASTM A694 F70	7.92	PSM1	2
Flange, Weld Neck	20	400LB	62	ASTM A694 F70	7.14	PSM1	6
Flange, Weld Neck	24	400LB	62	ASTM A694 F70	7.92	PSM1	4
Flange, Weld Neck	20	400LB	62	ASTM A694 F70	7.14	PSM1	10
Flange, Weld Neck	12	400LB	62	ASTM A694 F70	4.78	PSM1	4
Flange, Weld Neck	4	400LB	62	ASTM A694 F70	4.78	PSM1	4
Flange, Weld Neck	24	400LB	62	ASTM A694 F70	7.92	PSM1	25
Flange, Weld Neck	4	400LB	62	ASTM A694 F70	4.78	PSM1	16
Flange, Weld Neck	24	400LB	62	ASTM A694 F70	7.92	PSM1	2
Flange, Weld Neck	20	400LB	62	ASTM A694 F70	7.14	PSM1	6
Flange, Weld Neck	24	400LB	62	ASTM A694 F70	7.92	PSM1	4
Flange, Weld Neck	20	400LB	62	ASTM A694 F70	7.14	PSM1	10
Flange, Weld Neck	12	400LB	62	ASTM A694 F70	4.78	PSM1	4
Flange, Weld Neck	24	400LB	62	ASTM A694 F70	7.92	PSM1	25
Flange, Weld Neck	4	400LB	62	ASTM A694 F70	4.78	PSM1	16
Flange, Weld Neck	10	300LB	51	ASTM A694 F65	4.78	PSB1	2
Flange, Weld Neck	6	300LB	51	ASTM A694 F65	4.78	RABIGH	4
Flange, Weld Neck	4	300LB	51	ASTM A694 F65	4.78	RABIGH	4
Flange, Weld Neck	18	300LB	51	ASTM A694 F65	4.78	RABIGH	2
Flange, Weld Neck	8	300LB	51	ASTM A694 F65	4.78	RABIGH	2
Flange, Weld Neck	8	300LB	51	ASTM A694 F65	4.78	RABIGH	2

Product detail pictures:

Related Product Guide:
What are duplex stainless steel applications?

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