FITTINOX specializes in producing butt weld fittings that meet various regulations, including:

  • ANSI B16.9
  • ANSI B16.25
  • MSS SP75
  • UNI EN 10253-2 TYPE A & B
  • DIN 2605 TEIL 2
  • DIN 2615 TEIL 1 & 2
  • DIN 2616 TEIL 1 & 2
  • DIN 2617
  • DIN 2609
  • DIN 2559 TEIL 1

These fittings are specifically designed to be coupled with ASME B36.10 pipes through butt welding, ensuring a secure and reliable connection.

Our butt weld fittings are suitable for use in various sectors, including hydraulic systems, chemical plants, petrochemical plants, and energy production plants. They are engineered with diameters and thicknesses that meet the necessary standards, allowing for seamless integration into piping systems.


Type of butt welding fittings

FITTINOX produces butt weld fittings in both cold and hot formed variations. These fittings are available in sizes ranging from ½” to 8″ and are not limited by thickness restrictions. With our commitment to quality and adherence to industry regulations, you can trust FITTINOX to provide reliable and high-performance butt weld fittings for your specific application.

Elbows 30°-45°-90°-180°

Short radius, long radius or special radius 2.5D / 3D / 4D / 5D / 10D and reduced Elbows


Equal or Reduced Tees B16.9
Cushion Tee / Target Tee / Bull Tee
Barred Tee
Equal or Reduced Crosses


Concentric Reduction B16.9
Eccentric Reduction B16.9


Helliptical B16.9



We offer materials suitable for every application sector.

  • Nuclear

    • M3301, M3304, M3306, M3317, Z2CND17.12, Z2CN18.10, Z8CNDT18.12 M1122 A42AP, A48AP, P265GH, EN 10216-3 P355NH – RCC-M and ASME III
  • Fertilizer/Urea/Ammonia

    • A403/A182 316L Mod UREA GRADE, X2CrNiMo18-14-3, S31603, 3R60 UREA GRADE
    • 310MoLN, N06059, UREA 25.22.2, S31050
    • S32906, DMV 29.7
  • Offshore

    • A815/A182 S31803, S32760, S32750
    • S31254, UNS N08367, Titanium Gr2,5,7,12, N08904, Cu-Ni C70600
  • Petrochem

    • AUSTENITIC: A403/A182/ EN 13480 310, 304H, 316H, 316Ti/1.4571, 317/L, 321/H, 347/H, 347LN, 1.4571
    • [ … ]