Top China Welded Titanium Pipe Manufacturers & Factory for Mongolia

ASTM B338 covers seamless and welded titanium and titanium alloy tubes intended for surface condensers, evaporators, and heat exchangers, typically focusing on thinner wall thicknesses (up to 3.18mm OD/wall limits). In contrast, ASTM B862 specifically covers welded titanium pipe designed for general chemical, industrial, and fluid piping applications across larger diameters (from NPS 1/2" up to NPS 60" and beyond) with varied pressure schedules (Sch 5S, 10S, 40S, 80S). For mining fluid transport, ASTM B862 is the prevailing standard.

Commercially Pure Titanium (Gr1, Gr2) possesses a hexagonal close-packed (HCP) alpha crystalline structure. Unlike body-centered cubic (BCC) carbon steels and certain ferritic alloys, alpha titanium does not undergo a sharp ductile-to-brittle transition temperature (DBTT). Impact tests prove that Jovzi Grade 2 pipes retain over 35 J of Charpy V-notch toughness and >18% elongation even at -55°C, completely preventing brittle shatters caused by frozen ground shifts and thermal shrinkage shocks.

Shipments move via direct overland rail or flatbed truck freight. The standard corridor departs Baoji, Shaanxi, travels through the Erenhot (Erlian) border port in Inner Mongolia, and enters Zamiin-Uud customs in Mongolia. From Zamiin-Uud, cargo can be cleared and transferred directly via the Ulaanbaatar Railway (UBTZ) to Ulaanbaatar, or trucked directly across the Gobi to mining operations in Khanbogd (Oyu Tolgoi), Tsogttsetsii (Tavan Tolgoi), or Erdenet. Jovzi handles all transit export declarations, customs documents, and timber fumigation certifications (ISPM 15).

Yes. Every single batch is assigned a unique heat number and is accompanied by an EN 10204 3.1 Inspection Certificate. The MTC documents full chemical ladle/ingot analysis (including exact ppm values for interstitials: C, O, N, H, and Fe), room-temperature mechanical tensile/yield/elongation values, hydrostatic pressure test results (typically tested at 1.5x design pressure), and non-destructive examination (NDE) certification (100% Eddy Current or Radiographic X-Ray). On request, supplementary tests by the state-accredited BaoTi Testing Center are included.

Standard Grade 2 is the workhorse alloy for neutral or oxidizing acidic media at moderate temperatures. However, if your fluid circuit contains reducing acids (such as un-aerated hydrochloric acid, boiling sulfuric acid with low oxidizer content), or if your piping assembly includes tight crevices, gasketed flange faces, and low-flow dead legs operating above 70°C, Grade 7 (alloyed with 0.12–0.25% palladium) should be specified. The palladium addition dramatically shifts the open-circuit corrosion potential into the noble passive region, providing virtually infinite crevice corrosion resistance.

Yes. While many newer Mongolian mining projects adhere to ASME B16.5 and ANSI dimensional schedules, numerous established municipal and mining infrastructures operate under Russian GOST 12820 / 12821 or European EN 1092-1 flange standards. Jovzi’s engineering department can machine custom titanium stub ends, slip-on flanges, spectacle blinds, and weld-neck flanges to exact metric drawings, drilling patterns, and pressure classes (PN 6 to PN 100).