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Premium Steel Pipes,
Flanges & Fittings

Trusted China manufacturer of high-performance steel pipes, flanges, pipe fittings, valves, and gaskets for oil & gas, petrochemical, power, and industrial applications. ISO 9001 certified quality.

Industrial pipe network

About Steeljrv

Yaang Pipe Industry Co., Limited is a leading manufacturer and supplier of stainless steel pipes, pipe fittings, flanges, valves, and related products based in Wenzhou, Zhejiang, China. We specialize in high-quality industrial components that meet international standards including ASTM, ASME, ISO, and DIN.

Our products are widely used in sectors such as oil & gas, petrochemical, shipbuilding, electric power, bio-engineering, natural gas, sewage treatment, construction, medicine, and food processing. With a strong focus on metallurgy technology and precision engineering, we deliver custom-made solutions that meet the most demanding requirements.

15+
Years Experience
60+
Countries Served
Pipe spacing chart

Our Products

Comprehensive range of industrial-grade steel pipes, flanges, pipe fittings, valves, and gaskets engineered for reliability and performance.

Stainless Steel Pipes

ASTM A312, ASME B861, UNS S31603, Sch10-Sch80, 6M length

  • • Corrosion resistant
  • • High temperature strength
  • • Seamless & welded options

Welding Neck Flanges

ASME B16.5, A182, 150#-600#, RTJ & Raised Face

  • • High-pressure rating
  • • Full penetration weld
  • • Ideal for critical systems

90° Elbows

ASME B16.9, WP316L, Sch40-Sch160, Seamless & Welded

  • • Smooth flow transition
  • • Low turbulence
  • • Available in short/long radius

Ball Valves

Full port, floating & trunnion mounted, API 6D

  • • Bubble-tight shut-off
  • • Low operating torque
  • • Fire-safe design available

Reducer

Concentric & Eccentric, ASTM A403, Sch40-Sch160

  • • Size transition fittings
  • • Seamless & welded
  • • ASME B16.9 compliant

Spectacle Blind

ASME B16.48, Carbon & Stainless Steel, Custom sizes

  • • Isolation & blanking
  • • In-line inspection access
  • • High-pressure rated

Duplex Stainless Pipes

ASTM A790, UNS S31803/S32205, High strength & corrosion resistance

  • • Excellent chloride resistance
  • • High mechanical strength
  • • Ideal for offshore use

Spiral Wound Gaskets

ASME B16.20, Carbon steel & stainless, Graphite & PTFE filler

  • • High temperature seal
  • • Resilient under load
  • • Multiple pressure classes

Titanium Pipes

ASTM B338, Grade 2/7/12, Seamless, High corrosion resistance

  • • Lightweight & strong
  • • Seawater compatible
  • • Aerospace & marine use

Cap

ASME B16.9, ASTM A403, WP316L, Sch40-Sch160

  • • End closure fitting
  • • Seamless & welded
  • • Corrosion resistant

Gate Valves

Rising & non-rising stem, API 600, Flanged & threaded

  • • Full bore flow
  • • Tight shut-off
  • • Durable wedge design

Tee

Equal & reducing, ASME B16.9, Seamless & welded

  • • Branch connection
  • • 90° or lateral outlet
  • • High-pressure rated

Why Choose Steeljrv?

Engineered for excellence, built for performance

ISO 9001 Certified Quality

All products manufactured under strict ISO 9001 quality management system with full traceability and documentation.

Fast 24-Hour Quotation

Get detailed technical and commercial proposals within 24 hours for any custom or standard product inquiry.

Global Export Experience

Products exported to USA, Europe, Middle East, Southeast Asia, and over 60 countries with reliable logistics support.

15,000+
Products Available
60+
Countries Served
99.8%
On-Time Delivery
24h
Quotation Response

Frequently Asked Questions

What materials do you offer for steel pipes?

We manufacture carbon steel, alloy steel, stainless steel (304, 316, 321, etc.), duplex/super duplex, titanium, and nickel alloys (Inconel, Hastelloy) pipes.

Can you provide custom-made flanges?

Yes, we offer custom flanges including welding neck, blind, RTJ, orifice, and spectacle blinds in various sizes, pressure ratings, and materials.

What certifications do your products have?

Our products comply with ASTM, ASME, API, ISO, DIN, and JIS standards. We are ISO 9001 certified with full material traceability and test reports (MTC 3.1/3.2).

What is your lead time for orders?

Standard products: 2–4 weeks. Custom orders: 4–8 weeks depending on complexity. Urgent deliveries can be arranged.

Get in Touch

Contact us for product inquiries, technical support, or custom solutions.

Contact Information

Phone: +86-18267732328

Email: info@steeljrv.com

WhatsApp: 008618267732328

Skype: Skaifox

Address: Longwan District, Wenzhou, Zhejiang, China

Quick Action

Need a quotation or technical data sheet? We respond within 24 hours.

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