Butt-Weld Fittings

Product Range Overview

ParameterRange
Size RangeDN10 – DN2000 (NPS 1/8″ – 80″)
Wall ThicknessSch10, Sch20, Sch40, Sch60, XS
PN Pressure RatingsPN0.25MPa, PN0.6MPa, PN1.0MPa
Class Pressure RatingsClass150, Class300, Class600, Class900, Class1500, Class3000LB
Materials Available304 / 304L / 316 / 316L / Duplex 2205 / Duplex 2507
Applicable StandardsGB/T12459, GB/T13401, ASME B16.9, SH3408, SH3409, SH3410, HG/T21635, DL/T695, SY/T0510, DIN2615

Manufactured with Excellence. Certified for Safety.

Factory Introduction:

Nonleak operates a 50,000m² ISO 9001 certified manufacturing facility with fully automated butt-weld fitting production lines. Our commitment to quality begins with raw material selection (Baosteel / Tisco sourced) and continues through every stage of production, ensuring dimensional precision.

Multiple automated tube mill machines actively producing stainless steel pipes in clean, well-maintained factory environment with proper lighting and space.

Industrial Grade for Critical Applications

Nonleak’s butt-weld fittings are precision-engineered to provide seamless, leak-proof connections for the most demanding industrial environments. With a comprehensive size range from DN10 to DN2000 and multiple pressure class options, we deliver complete piping solutions for oil & gas, chemical processing, power generation, and shipbuilding. Every fitting is fully traceable and rigorously tested to meet or exceed international specifications.

Products List

Why Choose Nonleak Butt-Weld Fittings?

Complete Size Coverage

From DN10 to DN2000 – one source for all your project needs, from small retrofits to large-scale infrastructure.

Rigorous Testing

Every batch undergoes chemical analysis, mechanical property testing, and non-destructive examination (RT/UT/PT/MT) to ensure zero defects.

Premium Raw Materials

Sourced from top-tier steel mills (Baosteel, Tisco) with 100% material traceability.

Multi-Standard Compliance

Manufactured to meet GB, ASME, DIN, petrochemical SH, and chemical HG standards – suitable for both domestic and export projects.

Standards Compliance Details

StandardDescription
GB/T 12459-2005Seamless butt-welding pipe fittings for steel
GB/T 13401-2005Plate-formed butt-welding pipe fittings
ASME B16.9Factory-Made Wrought Butt-welding Fittings
SH3408 / SH3409 / SH3410Steel butt-welding pipe fittings for petrochemical industry
HG/T21635Seamless butt-welding pipe fittings – carbon & low alloy steel
DL/T 695Steel butt-welding pipe fittings for power stations

Request a Quote or Technical Consultation

  • Your inquiry will be responded to within 8 hours
  • Technical datasheets available upon request
  • Custom manufacturing supported for large-scale projects

Applications

  • Oil & Gas pipelines (onshore & offshore)

  • Chemical & Petrochemical processing plants

  • Power generation (thermal, nuclear, renewable)

  • Shipbuilding & marine engineering

  • Water treatment & desalination facilities

  • Pharmaceutical & food processing (sanitary grade available upon request)

  • Mining & mineral processing

  • Pulp & paper industry

Need a Quote or Have a Custom Requirement?