Alloy 625 & 316 CRA Cladding
4130 Welding - Our Specialty
Machine Specialty & Manufacturing offers a full service welding facility which features 6 CNC Hotwire GTAW welding machine, a sumberged arc welder, and 3 high deposition GMAW-Spray manipulators.
625 & 316 Corrosion Resistant Overlay
API Pressure Classes
API 6A required equipment to be designed to one of the following maximum rated working pressures.
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2,000 psi
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3,000 psi
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5,000 psi
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10,000 psi
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15,000 psi
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20,000 psi
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2M psi
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3M psi
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5M psi
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10M psi
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15M psi
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20M psi
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13.8 MPa
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20.7 MPa
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34.5 MPa
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69.0 MPa
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103.5 MPa
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138.0 MPa
API 6A Material Class
Material Class
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AA
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BB
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CC
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DD
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EE
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FF
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HH
General Service
General Service
General Service
Sour Service
Sour Service
Sour Service
Sour Service
Body - Bonnet - Outlets
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Carbon or Low Alloy
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Carbon or Low Alloy
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Stainless
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Carbon or Low Alloy
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Carbon or Low Alloy
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Stainless
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CRA
Pressure Controlling Parts,
Stems, & Hangers
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Carbon or Low Alloy
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Stainless
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Stainless
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Carbon or Low Alloy
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Stainless
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Stainless
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CRA
API 6A Temperature Class
Charpy Impact Requirements
Classification
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K
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L
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N
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P
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S
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T
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U
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V
-75°F (-60°C)
-50°F (-46°C)
-50°F (-46°C)
-20°F (-29°C)
0°F (-18°C)
0°F (-18°C)
0°F (-18°C)
0°F (-18°C)
PSL 1
PSL 2
PSL 3
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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15 ft-lbf (20) J
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