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Seamless Butt Weld Pipe Fittings Type A Stub End Short Pattern For Flange Joint

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China ZIZI ENGINEERING CO.,LTD certification
Zizi is trustworthy. During the five years of working with them, I felt their profession. Their pipe fittings are not only of good quality and cost-effective, but their service are thoughtful and attentive, eliminating the worry of our after-sales.

—— Nadim Akef-Purchase Manager

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—— Rabih Abi Saab-Project Manager

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Seamless Butt Weld Pipe Fittings Type A Stub End Short Pattern For Flange Joint

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Large Image :  Seamless Butt Weld Pipe Fittings Type A Stub End Short Pattern For Flange Joint

Product Details:

Place of Origin: CHINA
Brand Name: ZIZI
Certification: ISO, CE
Model Number: ASTM A234 WP11

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece
Price: Negotiable
Packaging Details: 1/2" to 16" in Wooden Cases. Above 16" in wooden Pallets
Delivery Time: 5-15 Days
Payment Terms: T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability: 50000 PCS Per Month
Detailed Product Description
Item: Type A Stub End Short Pattern Size: 6" Sch 40
Standard: ASME B16.9 Material: Alloy Steel ASTM A234 WP11
End: Beveled Type: Seamless
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Type A Stub End Short Pattern for Flange Joint Butt Weld Pipe Fittings


Type A Stub End

Type A Stub end is used with standard lap joint flanges, so it also called lap joint stub end. Its lap thickness is greater than or equal to the thickness of pipe wall. There are two types of stub ends: Short pattern and long pattern. Short pattern also called MSS-A stub end, and long type called ASA-A stub end or ANSI length stub end. The main difference between them is their length.

Lap Joint Stub End Dimensions

Seamless Butt Weld Pipe Fittings Type A Stub End Short Pattern For Flange Joint 0

Supply Range

Standard MSS SP-43, ASME B16.9, GB/T 12459
Diameter NPS 1/2” to 24”, DN15 to DN600
Thickness Sch 10S, 40S, 80S
Type Type A, Type B, Type C Stub End
Pattern Long Pattern and Short Pattern
End Plain, Beveled


Alloy Steel

ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Stainless Steel

ASTM A403 WP304/304L/304H, WP316/316L, WP 309, WP310, WP317, WP321, WP347

Carbon Steel

ASTM A234 WPB, A860 WPHY42, WHPY52, WPHY60, WHPY65, WPHY70, A420 WPL 3 / 6 / 9.

Duplex Steel

ASTM A815 UNS S 31803, 32205, 32550, 32750, 32760

Copper & Nickel Alloy

NICKEL 200,NICKEL 201, MONEL 400, INCONEL825, INCONEL 600, INCONEL 601, INCONEL 625, HASTELLOY C276, C70600, C71500

Advantages of Alloy Steel Stub End

  • Rust proof finish
  • Zero breakage during operations
  • Resistant high temperature
  • Ensure tight joints
  • Chemically insert
  • Accurate size
  • Continuous and smooth flow
  • Low friction loss
  • Smooth inner surface
  • Convenience for the pipeline maintain and disassemble

Inspection of Buttweld Fittings

The inspection is operated according to ASME B16.9

1. Check the surface

Marking includes size, material, standard and Lot No. Be sure they are correct and clear.

Touch and visual check the surface to ensure it is smooth and even.

2. Measure the size

Measure diameter, length, radius.

Confirm the sizes are in tolerance.

Tolerance for Lap Joint Stub End

















3. Tolerance for Lap Joint Stub End

Approve third party inspection

Third parties such as BV, SGS, LR, DNV, ABS.

Offer stamped Mill Test Certificate.


Contact Details

Contact Person: sales

Tel: +8618625862121

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