ISO7005-1 As4331 Inox 304 Flat Flange Stainless Steel

• Customization: Available
• Type: Welding Flange
• Material: Stainless Steel
• Model NO.: DN500
• Structure: Round
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Steel Grade: Sud304
• Working Pressure: Pn16
• Type of Flange: Table 5
• Quality Control: PMI Tested/Dimension/Visual
• Mtc: En10204 3.1
• Transport Package: Wooden Case
• Specification: DN15 to DN1000
• Trademark: oem
• Origin: China
• Production Capacity: 50000PCS/Year

Product Description

Product Description

Product Feature

ISO 7005 (which AS4331 is a reproduction of) also includes European DIN flanges PN6/10/16/25/40 which were previously DIN 2501-1 and BS4504.  These flanges are the same as EN1092 but EN1092 also includes higher rated DIN based flanges. Note in the case of AS4331.1/ISO 7005-1 ANSI equivalents they are not absolutely identical to ANSI but "deemed to comply and are designed to be interchangeable".

Durable 

High precission

Good machining 

Flange Class	150	300	400	600	900	1500	2500
Flange Pressure Nominal, PN	20	50	68	100	150	250	420

Inspection and lead time

Inspection: Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, Ultrasonic flaw detector, Magnetic particle detector

Certificate: EN10204 3.1 

Packing:  wooden case or pallet depends on weight

Marking: logo+standard+material+size+heart no

Lead time:  3-7 days for stock and 20-25days for fresh production depends on quantity.

Company Profile

About Kingmetal Steel

Company Profile

From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel. 

Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.

All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.

Both our sales and logistic teams are over 10 years of experiences and training frequently.

After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.

Why choose us?

One-Stop Solution

We have thousands of total production experience, from raw materials to finished products.

Competitive Price

Large scale purchase, standardized production process and efficient management make our price competitive.

Quick Shipping

Years of export experience enable us to control the transportation time more accurately.

Quality Control

The standardized production process, comprehensive management system, professional testing equipment

Special material customization

We support the customization of various complex materials

OEM/ODM

We support any form of OEM/ODM customization requirements.