Flange:

Material?

Carbon steel: ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70;

Stainless steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;

Alloy steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/III;

Standards: HG20593-1997, GB/T9119-2000, German, Japanese and national standards.

Application Scope of Steel Tube Flanges in European System

Sealing surface type

Nominal Pressure PN/MPa

(bar)

Zero point two five

(2.5)

Zero point six

(6)

One

(10)

One point six

(1.6)

Two point five

(25)

Four

(40)

Bursting surface (RF)

DN10-2000

Full Plane (FF)

DN10-2000

Product Profile:

DN: 10-600 mm

PN: 0.6-4.0 Mpa

Flange outer diameter: 75-755mm

Flange Internal Diameter: 18-642mm

Flange thickness: 12-36 mm

Number of threaded holes: 4/8/12/20

Seal face: protrusion RF

Standard: ANSI/ASME/DIN/JIS

Application Scope of Steel Tube Flanges in European System

Sealing surface type

Nominal Pressure PN/MPa

(bar)

Zero point six

(6)

One

(10)

One point six

(16)

Two point five

(25)

Four

(40)

Bursting surface (RF)

DN10-600

Application Scope of Steel Pipe Flange in American System

Sealing surface type

Nominal Pressure PN (MPa)

(Class)

Two

Class 150

Five

Class 300

Eleven

Class 600

Fifteen

Class 900

Twenty-six

Class 1500

Forty-two

Class 2500

Bursting surface (RF)

DN15-600

(1/2 "-24")

DN15-300

(1/2 "-12")

Carbon steel flange, stainless steel flange, alloy steel flange

Plate flat flange, necked protruding flange, necked butt welding flange, necked flat welding flange, integral flange, socket flange...

Hebei Haiyuan Pipe Fittings Co., Ltd. is a joint venture that integrates production, processing, distribution and wholesale. Over the years, it has established a long-term cooperative relationship with many enterprises with its strong strength, reasonable price and excellent service.

Material: Stainless steel, carbon steel, alloy steel

Standard: American Standard, German Standard, National Standard and Japanese Standard

Introduction of flange with neck flat welding:

Hebei Haiyuan Pipe Fittings Co., Ltd. is a joint venture that integrates production, processing, distribution and wholesale. Over the years, it has established long-term cooperation with many enterprises with its strong strength, reasonable price and excellent service.

Product Description:

Nominal diameter: 10-300 mm

Nominal pressure: 0.6-4.0 Mpa

Classification: A and B

Flange thickness: 12-24mm

Theoretical mass: 0.38-14.1 kg

Flange height: 20-44 mm

Sealing face: protruding face, concave-convex face, full plane

Standard: ANSI/ASME/DIN/JIS/HG

Material: Carbon steel, stainless steel, alloy steel

Introduction of butt welding flange with neck:

Hebei Haiyuan Pipe Fittings Co., Ltd. is a joint venture that integrates production, processing, distribution and wholesale. Over the years, it has established long-term cooperation with many enterprises with its strong strength, reasonable price and excellent service.

Product Description:

Nominal diameter: 10-2000 mm

Nominal pressure: 1.0-25 Mpa

Flange thickness: 14-54mm

Flange height: 35-150 mm

Sealing face: protruding face, concave-convex face, full plane, annular joint face

Theoretical weight: 0.66-7489.9 kg

Material: Carbon steel, stainless steel, alloy steel

Standard: ANSI/ASME/DIN/JIS/HG