ASME SA691 Gr.9CR Welded Pipes
ASME SA691 Gr. 9CR ERW welded pipe is mainly used in the manufacture of boilers, superheaters, reheaters and other high temperature equipment.
ASTM A691 GR.9CR welded pipe withstands temperatures up to 650°C (1200°F) in continuous use and up to 705°C (1300°F) in intermittent use.
ASTM A691 Grade 9CR alloy steel welded pipe is available in many types, including seamless and welded. It also comes in different sizes and thicknesses, ranging from 1/8 inch to 48 inches. The most commonly used ASTM A691 Grade 9CR alloy steel welded pipe types include ERW, LSAW, and SSAW.
ASTM A691 / ASME SA691 GR.9 CR welded pipe chemical composition
| Grade | C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V,% |
| 9 CR | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 1.00 | 8.00-10.00 | 0.90-1.10 | 0.04 |
Mechanical Properties of ASTM A691 / ASME SA691 Alloy Steel GR.9CR Welded Pipe
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 9 CR | 585-760 | 415 min | 18 |
Specifications : ASTM A691 / ASME SA691
Dimension Standard : ANSI B36.19M, ANSI B36.10
Welded Pipe Range : 1/2~24,24~80 inch
Wall Thickness : 2mm TO 100mm
Length : 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size.
End : Plain End, Beveled End, Treaded
ASME SA691 Grade 9CR Alloy Steel Welded Pipe
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