Metal Tubular Products A213 includes seamless Grades T5, T9, T11, T12, T22, T91, ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes. The requirements for grades with the letter H in their designation differ from those for comparable grades without the letter H. Higher creep-rupture strength is possible with these varied requirements than is typically possible in grades with similar compositions.
The tubing sizes and thicknesses that are typically provided in accordance with this standard range from 0.015 in. [0.4 to 12.7 mm] in minimum wall thickness to 0.500 in. [0.4 to 12.7 mm] in average wall thickness, if specified in the order. Other diameters of tubing are acceptable as long as they meet all other specifications of this specification.Chrome is essentially unique in its ability to withstand oxidation at high temperatures. At room temperature, chrome increases tensile, yield, and hardness. For usage in power plants, refineries, petrochemical facilities, and oil field services where fluids and gases are delivered at extremely high temperatures and pressures, chrome moly alloy steel pipe is the perfect material.
Because molybdenum (Mo) and chromium (Cr) are chemically similar, A213 Pipes are frequently referred to as chrome moly tubes. Steel's strength, elastic limit, wear resistance, impact properties, and hardenability are all improved by molybdenum. Moly makes chromium steel less prone to embrittlement, slows down grain growth, and increases resistance to softening. The best addition for boosting high temperature creep strength is molybdenum. Additionally, it prevents pitting and strengthens the steel's resistance to corrosion. The primary component of stainless steel is chromium, sometimes known as chrome. Stainless steel is any steel that contains at least 12% chrome.
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Specification:
| Size (Seamless) | : | 6.35mm o.d to 101.60mm o.d |
| Standards | : | ASTM A213, ASME SA213 |
| Equivalent Standards | : | EN 10216-2, ASTM A335, GOST 550-75 |
| Material | : | T11, K11597 |
| Equivalent Material | : | P11 |
| Type | : | Seamless |
| Specialized in | : | Large Diameter Size |
| Outer Dimensions | : | 6-2500mm; WT:1-200mm |
| Wall Thickness | : | Schedule 3mm to 15mm. |
| Length | : | max 1~12m |
| Schedule | : | STD, SCH40, SCH80 |
| Form | : | Round, Square, Rectangular, Hydraulic Etc. |
| Length | : | Single Random, Double Random & Cut Length. |
| Tubing End | : | Plain End, Beveled End, Treaded. |
Chemical Composition of A213 T11 Alloy Steel Seamless Tubes
| Compositions | Data |
| UNS Designa-tion | K11597 |
| Carbon | 0.05-0.60 |
| Manganese | 0.30-0.60 |
| Phosphorus(max.) | 0.025 |
| Sulfur(max.) | 0.025 |
| Silicon | 0.50-1.00 |
| Nickel | … |
| Chromium | 1.00-1.50 |
| Molybdenum | 0.44-0.65 |
| Other Elements | … |
Mechanical Properties of A213 T11 Alloy Steel Seamless Tubes
| Properties | Data |
| Tensile strength, min, (MPa) | 415 Mpa |
| Yield strength, min, (MPa) | 205 Mpa |
| Elongation, min, (%), L/T | 30/20 |
Advantages of A213 T11 Alloy Steel Seamless Tubes
- Good general corrosion resistance and high strength
- Good sulfide stress corrosion resistance
- Resistance to chloride pitting and crevice corrosion
- Higher resistance to chloride stress corrosion cracking
- Easy to weld and conform
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Applications Industry
| Pharmaceutical Equipment | Chemical Equipment |
| Sea Water Equipment | Heat Exchangers |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
We supply Pipes, Tubes & Fittings Worldwide.
Exporting Steel Pipes & Tubes to over 60 countries including Afghanistan, Albania, Andorra, Angloa, Austria, Australia, Bahrain, Bangladesh, Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam, Yemen, etc.