Stainless Steel 316L Butt Weld Elbow EP Grade Electrolytically Polished 1in 1.5in Wall Thickness 1.65mm

Short Description:

Outside diameter tolerance: ±0.05mm
Wall thickness range: (1in) 0.89mm ~ 5mm (1.5in) 1.2mm ~ 6mm
Inner wall roughness (Ra): ≤0.2μm (electrolytic polishing EP grade)
Material: 316, 316L
Connection: Butt-welding
Bending radius: 1D (25.4mm), 1.5D (38.1mm) 1D (38.1mm), 1.5D (57.2mm)
Pressure resistance: 80 ~ 180MPa (depending on wall thickness)
Applicable temperature: -40℃ ~ 200℃ (316L can be higher)

Size: 1in

Size: 1.5in

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Comparison of Basic Parameters

Parametric	1in（25.4mm）EP tube	1.5in（38.1mm）EP tube
Outside diameter tolerance	±0.05mm	±0.05mm
Wall thickness range	0.89mm ~ 5mm	1.2mm ~ 6mm
Inner wall roughness (Ra)	≤0.2μm (EP grade)	≤0.2μm (EP grade)
Concentricity tolerance	±0.01mm	±0.01mm
straightness	<0.1mm/m	<0.1mm/m
material	316、316L	316、316L
pressure resistance	80~180MPa	80~180MPa

Process Features
Electrolytic Polishing (EP): Inner wall roughness is controlled at Ra≤0.2μm to ensure ultra-high cleanliness, suitable for harsh environments such as high-purity gases and semiconductor manufacturing410.

Mechanical properties: Adjustable hardness (HRB 75~90), flexural strength and elongation, suitable for different industrial needs4.

Inspection standard: Adopt eddy current flaw detection, ultrasonic testing, hydrostatic testing to ensure no defects