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Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End

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Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End

Brand Name : YUHAO

Model Number : Butt Weld Pipe Fittings

Certification : ASTM, AISI, GB, DIN, JIS,EN

Place of Origin : China

MOQ : 100kgs

Price : Negotiation

Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability : 2000tons/per month

Delivery Time : 15days

Packaging Details : Standard sea worth bundles,Standard Plywood cases

wall thickness : SCH 5s-SCH XXS

customized support : OEM, ODM, OBM

surface treatment : Mirror, Polishing, Sandblasting, Sand rolled.

Connection Type : Butt Welded

Application : Oil, Gas, Chemical, Petrochemical, Power, etc.

Packing : PLY-wooden case or pallet or as for clients' requirements.

Standard : EN, ASTM, AISI, DIN, JIS

Grade : 304, 304L, 316, 316L, 410, 420, 439

Service : Product Customization

Size : 1/2" up to 48"

Type : Long or Short

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Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End


►Products description

Our stainless steel butt welded stub ends are meticulously crafted to create perfect transitions between pipes and lap joint flanges. Manufactured from premium 304/316/316L/321 and duplex stainless steels, these components deliver:

  • ​​Flawless Alignment:​​ CNC-machined surfaces ensure perfect mating with lap joint flanges
  • ​​System Versatility:​​ Enables easy disassembly for maintenance while maintaining pipe integrity
  • ​​Pressure Resilience:​​ Engineered to withstand ANSI Class 150 to 2500 pressure requirements
  • ​​Corrosion Defense:​​ Superior resistance to pitting, crevice corrosion, and stress corrosion cracking


​​Manufacturing Excellence:​​
We combine cutting-edge technology with uncompromising quality standards:
Advanced Production Capabilities:​​

  • High-precision CNC machining (±0.004" tolerance)
  • Automated orbital welding with full penetration assurance
  • Complete in-house heat treatment and finishing


Stringent Quality Protocols:​​

  • 100% dimensional verification to ASME B16.25 specifications
  • Full material traceability with certified MTC 3.2 documentation
  • Optional PMI testing and comprehensive NDE services


​​Material Options & Specifications:​​

  • Available in 304, 304L, 316, 316L, 321, 347, and duplex grades
  • Sizes from 1/2" to 60" diameters
  • Pressure ratings from 150# to 2500#
  • Custom thicknesses and special finishes available


Trust our stainless steel butt welded stub ends for critical applications where flange connection reliability is non-negotiable. Our engineering team provides complete technical support from specification to installation.


►Industry-specific attributes

Place of Origin China
Brand name Yuhao
Connectivity Welding
Size 1/2" up to 48"
Wall thickness SCH 5s-SCH XXS
customized Support ASTM DIN EN BS JIS GOST etc.
Surface treatment Sand blasting, Roll blasting, Pickled or Polished
Type Long or Short
Pressure High Pressure
Packing Cartons, Pallet, Cases


►Product Size

DN NPS OD Nominal Wall Thickness
Schss Sch10S Sch405 Sch8os Sch10 Sch20 Sch30 STD Sch40 Sch60 XS
6 1/8 10.3 - 1.24 1.73 2.41 - - - 1.73 1.73 - 2.41
8 1/4 13.7
1.65 2.24 3.02 - - - 2.24 2.24 - 3.02
10 3/8 17.1 - 1.65 2.31 3.2 - - - 2.31 2.31 - 3.2
15 1/2 21.3 1.65 2.11 2.77 3.73 - - - 2.77 2.77 - 3.73
20 3/4 26.7 1.65 2.11 2.87 3.91 - - - 2.87 2.87 - 3.91
25 1 33.4 1.65 2.77 3.38 4.55 - - - 3.38 3.38 - 4.55
32 1 1/4 42.2 1.65 2.77 3.56 4.85 - - - 3.56 3.56 - 4.85
40 1 1/2 48.3 1.65 2.77 3.68 5.08 - - - 3.68 3.68 - 5.08
50 2 60.3 1.65 2.77 3.91 5.54 - - - 3.91 3.91 - 5.54
65 2 1/2 73 2.11 3.05 5.16 7.01 - - - 5.16 5.16 - 7.01
80 3 88.9 2.11 3.05 5.49 7.62 - - - 5.49 5.49 - 7.62
90 3 1/2 101.6 2.11 3.05 5.74 8.08 - - - 5.74 5.74 - 8.08
100 4 114.3 2.11 3.05 6.02 8.56 - - - 6.02 6.02 - 8.56
125 5 141.3 2.77 3.4 6.55 9.53 - - - 6.55 6.55 - 9.53
150 6 168.3 2.77 3.4 7.11 10.97 - - - 7.11 7.11 - 10.97
200 8 219.1 2.77 3.76 8.18 12.7 - 6.35 7.04 8.18 8.18 10.31 12.7
250 10 273 3.4 4.19 9.27 12.7 - 6.35 7.8 9.27 9.27 12.7 12.7
300 12 323.8 3.96 4.57 9.53 12.7 - 6.35 8.38 9.53 10.31 14.27 12.7
350 14 355.6 3.96 4.78 - - 6.35 7.92 9.53 9.53 11.13 15.09 12.7
400 16 406.4 4.19 4.78 -
6.35 7.92 9.53 9.53 12.7 16.66 12.7
450 18 457 4.19 4.78 - - 6.35 7.92 11.13 9.53 14.27 19.05 12.7
500 20 508 4.78 5.54 - - 6.35 9.53 12.7 9.53 15.09 20.62 12.7


►Factroy Shoot

Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End

Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End

Seamless Industry Long Neck Durable Lap Joint Butt Welding Stainless Steel Stub End


►FAQ

Q1: What is your minimum order quantity?

A: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.

Q2: Which payment terms you can accept?

A: We can accept TT,LC,DP,DA,Western Union or Negotiation.

Q3: How do you ensure product quality?

A: We have a dedicated team of experts who rigorously inspect each stage of the production process. Every product undergoes quality testing at our factory before it is shipped.

Q4: Can you reply to messages in a timely manner?

A: Contact us with your detailed inquiry, you will be replied within 6 hours.

Q5: Where is your factory located?

A: Our factory is located in wenzhou City, zhejiang Province,China.


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