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  • Tongda could provide steel casting in material carbon steel and alloy steel. Our OEM products are widely used in the industries of Automobiles, G.E.T.,Forklifts, Marines and Railways.

    2021-09-18

  • Water glass is just the Inorganic chemical binder for casting industry. Water glass can become ropy after dissolved in water. It will be used as adhesives to bond the sands together.

    2021-09-17

  • 316 stainless steel added Mo, so its corrosion resistance, atmospheric corrosion resistance and high temperature strength is particularly good, can be used in harsh conditions; Excellent work hardening (no magnetic). Excellent high temperature strength. 316 stainless steel is austenitic stainless steel and cannot be strengthened by heat treatment. It has good strength, plasticity, toughness, cold forming and good low temperature performance. The addition of 2% Mo to Cr18Ni8 endows the steel with good resistance to reducing medium and pitting corrosion. It has suitable corrosion resistance in various organic acids, inorganic acids, alkalis, salts and seawater. Its corrosion resistance is much better than 304 in reductive acidic medium

    2021-09-16

  • 304 stainless steel is one of the most widely used chromium - nickel stainless steel, as a widely used steel, has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; Stamping, bending and other thermal processing, no heat treatment hardening phenomenon (use temperature -196℃ ~ 800℃).

    2021-09-14

  • Tongda could provide different casting processes according to customers' products.

    2021-09-10

  • Low carbon steel is a carbon steel with carbon content less than 0.25%. It is also called mild steel because of its low strength and low hardness. It includes most ordinary carbon structural steels and some high-quality carbon structural steels. Most of them are used for engineering structural parts without heat treatment, and some are used for mechanical parts requiring wear resistance after carburizing and other heat treatment.

    2021-09-09

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