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NPT Threaded Pipe Fittings Stainless Steel Material High Tolerance Anti Rust Oil

China ZIZI ENGINEERING CO.,LTD certification
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

We also compared many other companies before we chose Zizi, but they can provide the best products and services in my ideal price. Our cooperation went well, and I also introduced my partners to buy their products.

—— Rabih Abi Saab-Project Manager

I must say their staffs are very responsible, especially Mr. Jerry. He always provides quotes and various documents in a short time, and he can consider many things in advance therefore helping me solve many problems.

—— Jessie Lee-Merchandiser

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NPT Threaded Pipe Fittings Stainless Steel Material High Tolerance Anti Rust Oil

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Large Image :  NPT Threaded Pipe Fittings Stainless Steel Material High Tolerance Anti Rust Oil

Product Details:

Place of Origin: CHINA
Brand Name: ZZ
Certification: ISO, CE
Model Number: NPT Pipe Fittings

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece
Price: Negotiable
Packaging Details: Wooden Cases or Pallaets, LCL, 20ft Container
Delivery Time: 5-10 Days
Payment Terms: T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability: 60000 PCS Per Month
Detailed Product Description
Technics: Forged Connection: Female And Male Thread
Product: ELbow, Tee, Cross, Coupling, Cap, Plug, Bushing, Nipple Size: 1/8", 1/4", 3/8", 1/2", 1/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4"
Pressure: 2000LB, 3000 LB, 6000 LB Standard: DIN,ANSI,ASTM,GB, JIS
High Light:

stainless steel npt fittings


bsp pipe fittings

NPT Threaded Pipe Fittings 1 / 8 to 4 Inch 3000LB Stainless Steel ASME B16.11

NPT Threaded Pipe Fittings

Quality stainless steel NPT threaded pipe fittings are our hot sale product, which are available in sizes of 1/8", 1/4", 3/8", 1/2", 1/4", 1", 1 1/4", 1 1/2" and 2" with pressure of 2000lb, 3000lb, 6000lb according to ASME B16.11.

What is NPT?

NPT (National Pipe Thread) seals are the most popular type of seal for pressure calibration systems in the U.S. and Canada. It is known as ANSI/ASME B1.20.1 pipe threads. And measure tapered threads on threaded pipes and fittings.

There are six thread types which most commonly used on forged pipe fittings.

NPT Threaded Pipe Fittings Stainless Steel Material High Tolerance Anti Rust Oil 0

Stainless Steel Threaded Fittings Dimensions

Size 1/8" to 4" / DN6 to DN100
Pressure Rating 2000LB, 3000LB, 6000LB
Standard ASME B16.11, BS3799, GB/T14626
Surface Anti-rust Oil
Stainless Steel ASTM A182 F304/304L, F304H, F316/316L, F310, F317, F321, F347

Tolerances for Threaded Fittings

The dimensions and tolerances of threaded fittings in accordance with ANSI/ASME B16.11 as follow table. It is very useful for inspection and make products qualified.

NPT Threaded Pipe Fittings Stainless Steel Material High Tolerance Anti Rust Oil 1

Stainless Steel Forged Fittings and Flanges

Marking and Packing

  • Marking with name, type, grade, size, pressure, thread and standard.
  • Packing stainless steel threaded pipe fittings into cartons and wooden cases.
  • Sticking the waterproof paper of shipping mark on the outside of packages.


  • Visual the surface. Such as dents, die marks, porosity, undercuts.
  • Check the marking. Such as name, size, material grade, pressure, heat No.
  • Measure the size. Such as diameter, thickness, height of end to end.
  • Test the chemical composition of stainless steel forged fittings.
  • Test the thread of threaded pipe fittings by Go/no Go Gauge.


  • ISO certified quality
  • One stop service
  • Attractive price
  • Experience 15 years
  • Export 30 countries

Stainless Steel 304 VS 316

Chemical Composition

Grade C Mn P S Si Cr Ni Mo
304 0.08 2 0.045 0.03 1 18-20 8-11 /
316 0.08 2 0.045 0.03 1 16-18 10-14 2-3

Mechanical Properties

Grade Tensile Strength Yield Strength Elongation
304 515 (Mpa) 205 (Mpa) 30 (%)
316 515 (Mpa) 205 (Mpa) 30 (%)

Contact Details

Contact Person: sales

Tel: +8618625862121

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