ISO 7005 Stainless Steel Flange

International Standard Flanges for Worldwide Piping Systems SSM manufactures high-quality ISO 7005 stainless steel flanges that meet international piping standards for seamless integration across global projects. Our flanges are available in PN6 to PN40 pressure ratings with full material...

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Product Introduction

International Standard Flanges for Worldwide Piping Systems

SSM manufactures high-quality ISO 7005 stainless steel flanges that meet international piping standards for seamless integration across global projects. Our flanges are available in PN6 to PN40 pressure ratings with full material traceability.

ISO 7005 Flange Specifications

1. Standard Dimensions & Pressure Ratings

Parameter	PN6	PN10	PN16	PN25	PN40
Size Range	DN10-DN600	DN10-DN600	DN10-DN600	DN10-DN600	DN10-DN600
Face Types	RF/FF	RF/FF	RF/FF	RF/FF	RF/FF
Bolt Standards	ISO 4014/4017	ISO 4014/4017	ISO 4014/4017	ISO 4014/4017	ISO 4014/4017
Material Grades	304/316/316L	304/316/316L	304/316/316L	304/316/316L	304/316/316L

2. Material Specifications

Grade	ISO Designation	EN Equivalent	Key Features
304	ISO 4954 X5CrNi18-10	1.4301	General purpose
316	ISO 4954 X5CrNiMo17-12-2	1.4401	Acid/chemical resistant
316L	ISO 4954 X2CrNiMo17-12-2	1.4404	Low carbon, welded

3. Pressure-Temperature Ratings

PN Rating	Working Pressure (Bar @ 20°C)	Max Temperature (°C)
PN6	6	120
PN10	10	120
PN16	16	120
PN25	25	120
PN40	40	120

Manufacturing & Quality Assurance

Production Process

Material Selection - Certified ISO 4954 materials

Precision Machining - CNC-controlled operations

Surface Treatment - Pickling & passivation

Marking - Laser etching per ISO requirements

Final Inspection - 100% dimensional verification

Quality Control

Dimensional checks per ISO 7005 tables

Positive Material Identification (PMI)

Hardness testing (HRB scale)

Liquid penetrant examination

Full ISO 10474 certification

Technical Advantages

✔ Global Standard Compliance
✔ Interchangeable with ASME/DIN
✔ Precision Machined Surfaces
✔ Corrosion-Resistant Materials
✔ Full Material Traceability

Industry Applications

• Oil & Gas - Pipeline connections
• Chemical Processing - Reactor flanges
• Water Treatment - Large diameter piping
• Power Generation - Steam systems
• Marine - Shipboard piping