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China, Japan, South Korea, North Korea, Mongolia, Hong Kong-China, Macao-China, Taiwan-China, Vietnam, Laos, Cambodia, Thailand, Myanmar, Malaysia, Singapore, Indonesia, Brunei, Philippines, East Timor, Nepal, Bhutan, India, Pakistan, Bangladesh, Sri Lanka, Maldives, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, Iran, Iraq, Azerbaijan, Georgia, Armenia, Turkey, Syria, Jordan, Israel, State of Palestine, Saudi Arabia, Bahrain, Qatar, Yemen, Oman, United Arab Emirates, Kuwait, Lebanon, Cyprus, Afghanistan, Norway, Sweden, Finland, Denmark, Iceland, Aland Islands, Bonaire,SaintEustatiusAndSaba, Faroe Islands, Estonia, Latvia, Lithuania, Belarus, Russia, Ukraine, Moldova, Kosovo, Germany, Poland, The Czech Republic, Slovakia, Hungary, Austria, Liechtenstein, Switzerland, United Kingdom, Ireland, Netherlands, Belgium, Luxembourg, France, Monaco, Guernsey, Isle Of Man, Spain, Portugal, Andorra, Italy, Greece, Malta, Vatican, San Marino, Slovenia, Croatia, Albania, Romania, Bulgaria, Serbia, Macedonia, Bosnia and Herzegovina, Montenegro, French Southern Territories, Egypt, Sudan, Tunisia, Algeria, Libya, Morocco, Ethiopia, Somalia, Eritrea, Djibouti, Uganda, Tanzania, Rwanda, Burundi, Seychelles, Kenya, South Sudan, Reunion, Mayotte, Chad, Central African Republic, Cameroon, Equatorial Guinea, Gabon, The Republic of Congo , The Democratic Republic of the Congo, The Democratic Republic of Sao Tome and Principe, Mauritania, Western Sahara, Senegal, Gambia, Mali, Burkina Faso, Guinea, Guinea-Bissau, Cape Verde, Sierra Leone, Liberia, Republic of Côte d'Ivoire, Ghana, Togo, Benin, Niger, Nigeria, Angola, Zambia, Malawi, Zimbabwe, Mozambique, Republic of Botswana, Namibia, Republic of South Africa, Swaziland, Lesotho, Madagascar, Mauritius, Comoros, Saint Helena, Australia, New Zealand, Papua New Guinea, Solomon Islands, Vanuatu, Micronesia, Marshall Islands, Palau, Fiji, Kiribati, Nauru, Tuvalu, Samoa, Tonga, Niue, The Cook Islands, American Samoa, Cocos Islands, Guam, Northern Mariana Islands, New Caledonia, French Polynesia, Tokelau, Wallis And Futuna, Canada, United States, Mexico, Bahamas, Cuba, Jamaica, Haiti, The Dominican Republic, Saint Kitts and Nevis, Antigua and Barbuda, Commonwealth of Dominica, Saint Lucia, Saint Vincent and the Grenadines, Barbados, Grenada, Trinidad and Tobago, Anguilla, Bermuda, Greenland, Guadeloupe, Jersey, Cayman Islands, Martinique, Montserrat, Saint Pierre And Miquelon, Puerto Rico, Sint Maarten, United States Minor Outlying Islands, U.S.Virgin Islands, Guatemala, Belize, Salvador, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Llívia, Brazil, Chile, Argentina, Uruguay, Paraguay, Curacao, Falkland Islands, French GuianaMain Components: Q235 steel plates are carbon structural steel. Their main components are iron (Fe) and carbon (C), with the carbon content ranging from 0.14% to 0.22%. This level of carbon content endows the steel plates with a certain degree of strength, enabling them to meet the requirements of many general engineering structures. Meanwhile, they also contain a small amount of elements such as silicon (Si) and manganese (Mn). The silicon content is generally below 0.30%, and the manganese content is around 0.30% - 0.65%. Silicon can increase the strength of steel, while manganese can enhance the toughness of steel.
Restriction on Harmful Elements: Strict control is exerted on the two harmful elements, sulfur (S) and phosphorus (P). The sulfur content shall not exceed 0.050%, and the phosphorus content shall not exceed 0.045%. Sulfur can lead to hot brittleness of steel, and phosphorus can cause cold brittleness. Strict control of their contents can ensure the stability of the performance of steel under different temperature environments and avoid brittle cracking phenomena during processing and use.
Strength Performance: Q235 steel plates possess good strength. Their yield strength is generally not lower than 235 MPa, and their tensile strength ranges from 375 MPa to 500 MPa. This enables them to withstand certain tensile and compressive forces and can be used as load-bearing components in fields such as building structures and mechanical manufacturing. For example, when Q235 steel plates are used in structures such as floor slabs and wall panels in buildings, they can effectively support the weight of the building and ensure the stability of the structure.
Toughness and Plasticity Performance: The elongation rate is not lower than 26% (under the condition of the tensile test with the gauge length being five times the diameter), indicating that Q235 steel plates have good toughness and plasticity. When subjected to impact or dynamic loads, they can absorb energy through their own plastic deformation and reduce the possibility of damage. For instance, in some mechanical structures that need to withstand collisions or in seismic-resistant structures, this toughness and plasticity play an important role.
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