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Seamless & Welded Solutions Stainless Steel Butt Weld Fittings custom

Seamless & Welded Solutions Stainless Steel Butt Weld Fittings Manufacturers

-- Steady & Reliable Manufacturer --

Material & Process Introduction

Stainless Steel Butt Weld Fittings – Seamless & Welded Solutions for Uncompromising Flow Integrity Jiangyin Gaoxin Process: Advanced Forming and Stabilization Heat Treatment At Jiangyin Gaoxin, our Stainless Steel Butt Weld Fittings are manufactured using state-of-the-art cold forming or hot mandril forming processes. These methods ensure uniform wall thickness, smooth internal surfaces for optimal flow, and superior structural integrity compared to cast components. We utilize premium stainless steel materials, including standard austenitic grades (ASTM A403 WP304/304L, WP316/316L) and specialized stabilization alloys like WP321/321H (UNS S32100/S32109) for extreme heat service. Following integrated forming under stringent controls, all fittings undergo critical solution annealing or stabilization heat treatment. This optimizes corrosion resistance, restores ductility, and ensures metallurgical stability. Precision CNC machining follows to achieve exact dimensional tolerances and perfect bevel end preparations per international standards.

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Stainless Steel Butt Weld Fittings Technical Specifications

ParameterSpecification Detail
Material GradeASTM A403 WP304/304L, WP316/316L, WP321/321H (UNS S32100/S32109)
Design StandardASME B16.9
Size RangeDN15 - DN1500 (1/2" - 60")
Wall ThicknessSch 5S to Sch 160 and XXS
Fitting TypesLR/SR Elbows (90°/45°), Equal/Reducing Tees, Concentric/Eccentric Reducers, Caps, Stub Ends
TestingUltrasonic (UT), Radiographic (RT)

Specification Range

Comprehensive Sizing, Global Standards, and Customized Solutions Backed by 35 years of specialized expertise, Jiangyin Gaoxin offers a vast specification range for Stainless Steel Butt Weld Fittings to meet global engineering demands. Our production covers both seamless and welded fittings per ASME B16.9, ranging from Nominal Diameter DN15 to DN1500 (1/2" - 60"). We manufacture a full range of wall thicknesses, from Sch 5S to Sch 160 and XXS. Available types include long radius and short radius elbows (90° and 45°), equal and reducing tees, concentric and eccentric reducers, caps, and stub ends. Certified to ASME, EN, DIN, and JIS standards, we also utilize heavy-duty hydraulic presses to provide customized, near-net shape fittings based on bespoke customer drawings.

High-Performance Flow Security: Four Core Commitments of Jiangyin Gaoxin Butt Weld Fittings

Choosing Jiangyin Gaoxin’s Stainless Steel Butt Weld Fittings is an investment in a robust safety barrier for critical high-pressure, severe-temperature, and corrosive piping systems, ensuring long-term stable operation. Our products offer four core commitments.

  • Superior Corrosion Resistance: their superior material purity and advanced forming deliver maximum resistance to general corrosion, pitting, and crevice corrosion.
  • High-Temperature Stability: through optimized heat treatment (especially for WP321/321H alloys), we guarantee high-temperature stability, resisting creep and fatigue.
  • Smooth Flow & Precision Alignment: our precise machining ensures perfect alignment and smooth internal transitions, minimizing pressure drop and erosion.
  • Traceability & Quality Consistency: our rigorous manufacturing traceability mechanism and robust Quality Control (QC), including Ultrasonic (UT) and Radiographic (RT) testing, ensure unwavering quality consistency, minimizing unplanned shutdown risks.

Application Scenarios

Connecting Crucial Systems: Serving Industrial Heart in Rigorous Operating Conditions Jiangyin Gaoxin's Stainless Steel Butt Weld Fittings are widely deployed in connecting the vital industrial heart of critical high-pressure and corrosive piping systems worldwide. In the petrochemical and refining sectors, they are the definitive choice for critical systems within hydrogen cracking, catalytic cracking, and delayed coking units, particularly where pipelines carry severe high-pressure, corrosive media. In the power generation industry, our fittings serve critical systems in supercritical thermal power plants, connecting steam lines that must withstand extreme creep. Furthermore, in pharmaceutical low-temperature processing, food & beverage production, desalination plants, marine engineering, and severe industrial process piping, Jiangyin Gaoxin stainless steel fittings provide indispensable reliability, structurally ensuring global energy and process integrity worldwide.

  • Q: What wall thickness range is available for Stainless Steel Butt Weld Fittings?
  • A: We manufacture butt weld fittings from Sch 5S up to Sch 160 and XXS, covering both seamless and welded configurations per ASME B16.9.
  • Q: Are these fittings suitable for high-temperature service?
  • A: Yes, WP321/321H (UNS S32100/S32109) stabilization alloys are available within this range for applications requiring enhanced high-temperature stability and resistance to creep and fatigue.
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Jiangyin Gaoxin Pipe Fittings Co., Ltd.
About Us
JIANGYIN GAOXIN PIPE FITTINGS CO.,LTD.
Our company is a professional manufacturer of pressure piping components. As Seamless & Welded Solutions Stainless Steel Butt Weld Fittings Manufacturers，Our product range covers butt-weld, socket-weld, and threaded pipe fittings, including flanges and customized non-standard parts. These products are widely used in industries such as oil & gas, chemical processing, power generation, shipbuilding, papermaking, metallurgy, pharmaceuticals, and food processing. We manufacture according to standards such as ASME, EN,JIS,DIN,ANSI,GOST, MSS, GB/T,HG, DL, SH, SY,and have a complete range of inspection equipment, a strict quality control system, and various certifications（PED,AD2000,EAC, ABS,BV, DNV,NORSOK M650, ISO9001,ISO14001,ISO45001,etc.）, making us a leader in the industry.

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