ASTM A691 Grade 1 CR Alloy Steel Pipe
ASTM A691 Grade 1 CR alloy steel pipe is a metal pipe material widely used in high temperature, high pressure and corrosive environments.
ASTM A691 1 CR Alloy Steel Welded Pipe also known as Seamless Alloy Steel Pipe "Chromoly" ASTM A/ASME SA335 Gr. ASTM A691 Gr.1CR alloy steel welded pipes are high-temperature pipes and pipes, including round pipes, square pipes, rectangular pipes, coiled pipes, "U" shaped pipes, coiled pipes and hydraulic pipes.
ASTM A691 Grade 1 CR welded pipe is made of low carbon alloy steel and processed through straight seam welding process. It has excellent corrosion resistance and high mechanical strength. This kind of pipeline material is widely used in petroleum, chemical industry, electric power, nuclear energy and other fields to transport high temperature, high pressure, flammable, explosive or corrosive media.
| Specification | Value / Range |
|---|---|
| Grade | ASTM A691 Grade 1CR |
| Carbon (C) | ≤ 0.15% |
| Manganese (Mn) | ≤ 0.60% |
| Phosphorus (P) | ≤ 0.035% |
| Sulfur (S) | ≤ 0.035% |
| Silicon (Si) | ≤ 0.40% |
| Chromium (Cr) | 0.95% - 1.05% |
| Molybdenum (Mo) | ≤ 0.50% |
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 310 MPa |
| Elongation | ≥ 22% |
| Impact Test | -46°C (minimum) |
| Flareability | As per ASTM A269 |
| Hardness | ≤ 229 HB |
Straight seam resistance welded pipe
ASTM A691 Grade 1 CR Alloy Steel Pipe Dimensional Range & Specification
Outside Diameter：12.7mm--228.8mm
Wall thickness：3.0mm--18mm
Length：6000mm,12000m or specified length as required.
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gnee company has established a long-term and stable cooperative relationship with the steel industry. All products are supplied according to American ASTM/AISI, German DIN, Japanese JIS, and Chinese GB standards, and can be supplied according to the technical requirements provided by customers.
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