GOST 12820-80 Flat Flange St. 20 Steel Flanges

• Customization: Available
• Standard: ANSI, DIN, JIS, GOST, BSW
• Type: Welding Flange
• Model NO.: MF201216
• Structure: Flanges
• Connection: Welding
• Sealing Surface: FF
• Manufacturing Way: Forging
• Size: 1/2′′~78"(DN15-DN2000)
• Pressure: Pn6-Pn40
• Design: Plate Flange 12820-80,Welding Neck Flange 12821-80
• Carbon Steel Grade: A105, A36, C22.8, P235gh, etc.
• Stainless Steel Grade: F304, F304L, F316, F316L, F321, 316ti
• Production Standard: BS4504, SABS1123, En1092-1, JIS2301, ANSI B16.5
• Third Party Inspection: Acceptable Upon Request
• Loading Port: Shanghai, Ningbo
• Transport Package: in Wooden Case/Pallet, or as Request
• Specification: ISO, CE, TUV, PED, SGS, CCIC
• Trademark: Kingmetal
• Origin: China
• HS Code: 730721
• Production Capacity: 3000ton/Month

Product Description

Gost 12820-80 flat flange ST.20 Steel flanges

Design: Plate Flange 12820-80, Welding Neck Flange 12821-80

Size:
1/2''~78"(DN15-DN2000)

Pressure: PN6, PN10, PN16, PN25, PN40

Material:
Carbon steel:
A105, A36, C22.8, P235GH, etc.

Stainless steel:
F304, F304L, F316, F316L, F321, 316Ti

Standard:
BS4504, SABS1123, EN1092-1, AS2129, ANSI B16.5, JIS2301, DIN2641, UNI etc.


Product Show

 

 

Carbon/ Stainless/ Alloy Steel Flanges
Material	Carbon steel	ASTM A105. ASTM A350 LF1. LF2, A234, P235GH
		ASTM A694 F42/F46/F52/F56/F60/F65/F70, etc
	Stainless steel	ASTM A182, F304/304L, F316/316L
	Alloy steel	ASTM A182 A182 F12, F11, F22, F5, F9, F91etc.
Standard	ANSI	Class 150 Flanges-Class 2500 Flanges
	DIN	6Bar 10Bar 16Bar 25Bar 40Bar
	JIS	5K Flanges-20K Flanges
	UNI	6Bar 10Bar 16Bar 25Bar 40Bar
	EN	6Bar 10Bar 16Bar 25Bar 40Bar
TYPE	1.Welding neck Flange    2.Slip on
	3.Blind flange                   4.Long welding neck flange
	5.Lap joint flange             6.Socket welding
	7.Threaded flange           8.Flat flange
Surface	Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical galvanized
Connection	Welding, Threaded
Technical	Forged, Plate Cutting, Casting
Size	DN10-DN3600
Package	1. Standard export packaging (Plywood Case with plastic sheet lined,or wooden pallet with plastic film outside). 2. As Customers' Requirements
Heat Treatment	Normalizing, Annealing, Quenching Tempering
Applications	Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc.

Product Process