Which standards do your pipe fittings and flanges comply with?

We manufacture to ASME B16.5, ASME B16.47, ASME B16.36, ASME B16.9, ASME B16.11, MSS SP-97, EN 1092-1, BS 10, DIN, JIS, ISO and API standards, with materials certified to the relevant ASTM / ASME specifications such as ASTM A182, A105, A234, A403, A350 and A420.

Do you supply mill test certificates with every order?

Yes. Every shipment is supplied with EN 10204 3.1 mill test certificates, and each piece is marked with its heat number so chemistry and mechanical properties can be traced back to the original melt. Third-party inspection by the buyer's nominated agency can be arranged on request.

Which materials do you keep in ready stock?

We hold ready stock in stainless steel (304, 304L, 316, 316L, 904L), duplex and super duplex, carbon steel (A105, A234 WPB, A350 LF2), alloy steel (F11, F22, WP11, WP22) and nickel alloys including Inconel, Hastelloy, Monel and Incoloy, as well as titanium grades.

Can you manufacture custom or non-standard piping components?

Yes. We produce custom-made piping connections to customer drawings, including sizes larger than 4 inch, special bores, non-standard pressure classes and open die forgings.

What fastener sizes and grades can you produce?

We produce high tensile bolts and nuts from M20 to M72 in metric and 3/4 inch to 3 inch in UNC, in property classes 8.8, 10.9 and 12.9, as well as ASTM A193 B6, B7, B8, B8M stud bolts and ASTM A194 2H heavy hex nuts.

Which countries do you export pipe fittings and flanges to?

Our main export markets include the UAE, Saudi Arabia, Qatar, Oman, Turkey, Egypt, Malaysia, Indonesia, the Philippines and Singapore, with sales representation in Poland, Italy, the UK, the USA and other countries.

For Forged CNC ASME B16.5 Class 150/300/600 SCH STD RF Stainless Steel Weld Neck Flange 1/2"--24"

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For Forged CNC ASME B16.5 Class 150/300/600 SCH STD RF Stainless Steel Weld Neck Flange 1/2"--24"

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Product Description

Flange Technical Specifications

Size	ASME B16.5: 1/2"-24" ASME B16.47: 26"-48"
Rating	150LB / 300LB / 600LB / 900LB / 1500LB / 2500LB
Standard	ASME B16.5, ASME B16.47A, ASME B16.47B, MSS SP 44, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, JIS B2220, BS 4504, GB, etc.
Material	Carbon steel: A105, A350 LF2, A694 F52, F65, Q235 etc. Stainless steel: ASTM A182 F304, 304L, 316, 316L, 321, 1Cr18Ni9Ti, 00Cr19Ni10, A182 F51, F53, F55 etc.
Surface Treatment	Black Painting / Anti-Rust Oil / Hot Dip Galvanized
Certification	ISO 9001:2015
Packing	Plywood cases, pallets, or as per customer request.
Application	Petroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etc.
Port of Delivery	Shanghai port, Xingang port, Xiamen port, Ningbo port, etc.

Company Information & Facility Display

Forged CNC ASME B16.5 Class 150/300/600 SCH STD RF Stainless Steel Weld Neck Flange 1/2-24

Frequently Asked Questions (FAQ)

Q What standards do your weld neck flanges comply with?

Our weld neck flanges are manufactured according to ASME B16.5, ASME B16.47 Series A & B, MSS SP 44, DIN, JIS B2220, BS 4504, and other international standards.

Q What material grades are available for these flanges?

We offer a broad selection including Carbon Steel (A105, A350 LF2, A694 F52/F65, Q235) and Stainless/Duplex Steel (ASTM A182 F304, 304L, 316, 316L, 321, F51, F53, F55).

Q What pressure classes can be supplied?

We produce flanges across pressure ratings ranging from Class 150LB up to Class 2500LB to suit various industrial piping requirements.

Q What anti-corrosion and surface treatment options do you provide?

Surface treatment options include transparent anti-rust oil, black painting, and hot-dip galvanization to ensure long-term durability during transport and storage.

Q How are the flanges packaged for international shipping?

Flanges are securely packed in export-standard plywood cases or wooden pallets, fully protected against moisture and collision, or tailored according to specific customer requirements.

Q Which ports are primarily used for product dispatch?

We ship from major Chinese sea ports including Shanghai, Xingang (Tianjin), Ningbo, and Xiamen based on route efficiency and client preference.

For Forged CNC ASME B16.5 Class 150/300/600 SCH STD RF Stainless Steel Weld Neck Flange 1/2&quot;--24&quot;

Product Description

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