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  • Before signning contract, we will study production schedule carefully with processing department and client shipment time,then clients can make decision based on their plan to avoid risk from unstable market.

  • Sure, we accept L/C payment, and we need to get issuing bank information and documents required.

  • It is not known who produced the first steel. Since 200 BC, many cultures have produced steel in one form or another. A British inventor, Henry Bessemer, is generally credited with the invention of the first technique to mass produce steel in the mid 1850s. Steel is still produced using technology based on the Bessemer Process of blowing air through molten pig iron to oxidise the material and sep...

  • Many elements and materials go through chemical reactions with other elements. When steel comes into contact with water and oxygen there is a chemical reaction and the steel begins to revert to its original form - iron oxide.In most modern steel applications this problem is easily overcome by coating. Many different coating materials can be applied to steel. Paint is used to coat cars and enamel i...

  • galvanized steel pipe is a kind of pipe ,the surface will be covered by zinc .so the kind of galvanzied is1. the hot dipped galvanized steel pipe2. the pre galvanized steel pipe3 cold galvanized steel pipe

  • Calculation formula is : (OD-TH) * TH * 0.02466 * lengthNote: OD is outer diameter, TH is thickness and the unit of measurement is mm.

  • We have a strictly specified quality assurance system and have got ISO 9001-2008 Internation Quality Management System certificate, API 5L certificate and API 5CT certificate issued by American Petroleum Institute and CE certificate CE certificate issued by EU.

  • Chemical composition % of the ladle analysis of grade Q235C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Cu(%)0.14~0.22≤0.300.30~0.65≤0.045≤0.050≤0.30≤0.30≤0.30

  • We supply SSAW steel Pipes with diameter ranging from 219 mm to 3040 mm and wall thickness from 5.0-30 mm, ERW steel pipe with diameter ranging from 21.3 mm to 610 mm, and wall thickness from 3mm to 22 mm. The maximum single length could reach 32 meters.

  • The present minimum charge is 20-25 mt, that is one 20- or 40 feet container.

  • Most orders can be shipped 30 days from the time the order is placed. However, the in-transit time depends on factors such as mode of transportation, destination, special material processing, and shipping regulations.