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Best Steel socket weld flange 150lbs 20# Factory, Exporters
Product Description
Ahad - Premier Socket Weld Flange Manufacturer
As a foremost socket weld flange manufacturer in China, we at Ahad adopt a strict quality control system to ensure good quality. Our industrial flanges have been certified by ISO 9000, Pressure Equipment Directive 97/23/EC (PED 97/23/EC), AD2000 Merkblatt WO, and API.
They are widely used in many countries, for example Italy, Germany, Spain, France, Russia, the United States, Brazil, Iran, India, and so on.
ISO 9000 Certified
PED 97/23/EC
AD2000 Merkblatt WO
API Certified
Technical Specifications
Pressure Ratings
American Series
CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500
European Series
PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100
Flange Facing Types
American Series
Raised Face (RF), Tongue (T), Groove (G), Female (F), Male (M), Ring Joints Face (RJ)
European Series
Type B (Raised Face), Type C (Tongue), Type D (Groove), Type E (Spigot), Type F (Recess), Type G (O-Ring Spigot), Type H (O-Ring Groove)
Material Specifications
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Carbon Steel: ASTM/ASME A105, ASTM/ASME A516 Grade 55-60-65-70
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Alloy Steel: ASTM/ASME A182 F1-F12-F11-F22-F5-F9-F91-F911-F92
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Stainless Steel: ASTM/ASME A182 F304-F304H-F304L-F304N-F304LN, F316-F316H-F316L-F316N-F316LN, F321-F321H, F347-F347H, ASTM/ASME A182 F51-F52-F53-F54-F55-F60-F61
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Low-Temperature Steel: ASTM/ASME A522, ASTM/ASME A707 Grade L1-L2-L3-L4-L5-L6-L7-L8
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High-Strength Steel: ASTM/ASME A694 F42-F46-F48-F50-F52-F56-F60-F65-F70
International Standards
ASME B16.5-2013, EN 1092-1-2007, EN 1759-1-2004, ISO 7005-1-1992, GB/T 9112-2010, GB/T 9117-2010, HG/T 20592-2009, HG/T 20615-2009, SH/T 3406-2013, GOST, AFNOR, BS, DIN.
Processes & Applications
Industrial Processes
Industries Served
For a complete list of industry pipe fittings, please see our product page!
Frequently Asked Questions (FAQ)
What pressure ratings are available for your industrial flanges?
We produce flanges adhering to both American and European pressure series. The American Series includes CLASS 150, 300, 400, 600, 900, and 1500. The European Series includes PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, and PN 100.
What types of flange facings can Ahad manufacture?
For the American Series, we offer Raised Face (RF), Tongue (T), Groove (G), Female (F), Male (M), and Ring Joints Face (RJ). For the European Series, we offer Type B (Raised Face), Type C (Tongue), Type D (Groove), Type E (Spigot), Type F (Recess), Type G (O-Ring Spigot), and Type H (O-Ring Groove).
What material options are provided for socket weld flanges?
Our materials cover Carbon Steel (ASTM/ASME A105, A516 Gr 55-70), Alloy Steel (A182 F1 to F92), Stainless Steel (A182 F304/L/H, F316/L/H, F321, F347, Duplex F51-F61), Low-Temperature Steel (A522, A707 L1-L8), and High-Strength Steel (A694 F42-F70).
Which quality certifications do Ahad flanges hold?
Ahad implements a strict quality control system certified by ISO 9000, Pressure Equipment Directive 97/23/EC (PED 97/23/EC), AD2000 Merkblatt WO, and API.
What international standards do your pipe flanges comply with?
Our products strictly comply with major global standards including ASME B16.5-2013, EN 1092-1-2007, EN 1759-1-2004, ISO 7005-1-1992, GB/T, HG/T, SH/T, as well as GOST, AFNOR, BS, and DIN standards.
Which industries and countries use Ahad socket weld flanges?
They are widely used in power generation, petroleum, natural gas, chemical, shipbuilding, heating, papemaking, and metallurgy industries across countries such as Italy, Germany, Spain, France, Russia, the United States, Brazil, Iran, India, and many others.
