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Shanghai Toko Technology Co.,ltd. Shanghai Toko Technology Co.,ltd. Is located in Shanghai, China, and has worked in the field of industrial piping for 11 years. We are committed to manufacturing and exporting stainless steel seamless pipe, welded pipes, stainless steel fittings and flanges, nickel alloy products, Titanium seamless and welded tubes, etc. Our factories are […]

Incoloy 625 Bar Stock

​Product Overview Incoloy 625 bar stock is a nickel-chromium-molybdenum superalloy renowned for its exceptional resistance to oxidation, pitting, and crevice corrosion in high-temperature and aggressive environments. Compliant with ​ASTM B446, ​ASME SB446, and ​NACE MR0175 standards, it is widely used in aerospace, marine engineering, chemical processing, and nuclear industries for components requiring high strength and durability […]

Nick Alloy 825 Bar Stock

​Product Overview 825 bar stock is a nickel-iron-chromium alloy enhanced with molybdenum and copper, designed for highly corrosive environments in chemical processing, oil & gas, and marine industries. Compliant with ​ASTM B425, ​ASME SB425, and ​NACE MR0175 standards, it excels in resisting sulfuric and phosphoric acids, chlorides, and oxidizing salts, making it ideal for heat exchangers, […]

400 Nick Alloy Bar Stock

Product Overview 400 bar stock is a nickel-copper alloy renowned for its exceptional resistance to seawater, acids, and alkaline environments. Compliant with ​ASTM B164, ​ASME SB164, and ​DIN 17751 standards, it is widely used in marine engineering, chemical processing, oil & gas, and power generation industries. Ideal for valves, pump shafts, and heat exchanger components, Monel […]

C-276 Nick Alloy Bar Stock

​Product Overview C-276 bar stock is a nickel-molybdenum-chromium superalloy renowned for its exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Compliant with ​ASTM B574, ​ASME SB574, and ​NACE MR0175 standards, it is the go-to material for chemical processing, pollution control, marine engineering, and oil & gas applications exposed to aggressive media like hydrochloric acid, […]

718 Nick alloy Bar Stock

High-Strength, Heat-Resistant Superalloy for Extreme Environments ​Product Overview Inconel 718 bar stock is a nickel-chromium-based superalloy strengthened by age-hardening, delivering exceptional strength and oxidation resistance at temperatures up to ​700°C (1292°F). Widely used in aerospace, oil & gas, nuclear energy, and high-end industrial applications, this material complies with ​ASTM B637, ​AMS 5662/5663, and other international standards. […]

Nickel Alloy Flanges

Product Overview Nickel Alloy Flanges are engineered for extreme environments in oil & gas, chemical processing, nuclear power, and marine industries. Manufactured from premium grades like ​Inconel 625, ​Hastelloy C-276, and ​Monel 400, and compliant with ​ASME B16.5, ​EN 1092-1, and ​API 6A standards, these flanges deliver unmatched performance in high-pressure, high-temperature, and corrosive media applications. […]

Nickel Alloy Coiled Tubes

Product Overview Nickel Alloy Coiled Tubes are engineered for demanding applications in heat exchangers, reactors, and cryogenic systems across oil & gas, chemical, aerospace, and energy industries. Made from ​Inconel 625, ​Hastelloy C-276, and ​Alloy 800, and compliant with ​ASTM B163, ​ASME SB622, and ​EN 10216-5 standards, these coils deliver superior resistance to thermal fatigue, oxidation, […]