A312/ A312M TP309S S30908 Stainless Steel Pipe Tube Used In Furnace Material

Stainless Steel Pipe Tube A312/A312M TP309S S30908 designed for furnace applications. The 309S grade corresponds to Chinese brand 0Cr23Ni13 and offers superior corrosion and heat resistance compared to 0Cr19Ni9.

• Lower carbon variant of 309 stainless steel for improved weldability
• Minimizes carbide precipitation in heat-affected zones near welds
• Reduces risk of intergranular corrosion (welding erosion)

• Furnace materials
• Boilers and energy systems (nuclear power, thermal power, fuel cells)
• Industrial furnaces and incinerators
• Heating furnaces
• Chemical and petrochemical industries

• Name: Stainless Steel Seamless Pipe
• Standard: A213
• Material Grade: S34709
• Diameter (OD): 6-830mm
• Wall Thickness: 0.6mm - 60mm
• Length: Up to 13 meters or as customer request
• Tolerance: According to standard specifications

• Natural color of annealing & pickling
• 180G, 320G, 400G Satin/Hairline
• 400G, 500G, 600G or 800G Mirror finish

• UT (Ultrasonic Testing)
• ET (Eddy Current Testing)
• HT (Hydrostatic Testing)
• RT (Radiographic Testing)
• Other tests according to standard or customer requirements

• Tensile Strength: 75 KSI
• Yield Strength: 30 KSI

• Each pipe undergoes nondestructive electric test or hydrostatic test
• Pipe lengths: NPS 1/8" to NPS 8 available up to 24ft (15-24ft range)
• Finished pipes are reasonably straight with workmanlike finish
• Butt weld ends according to ANSI B16.25
• Pipe marking includes: Logo, Standard, Size, Heat No., Lot No., H.T/E.T/U.T
• Packing: Plastic end caps, anti-rust steel strip, plastic woven bag/film
• Packing mark: Size + Steel Grade + Quantity/Weight/Metre
• MTC: BWSS Official Original MTC paper supplied for each order

10⁻⁶·K⁻¹ = 10⁻⁶/K

1 Ω·mm²/m = 1 μΩ·m

1 g/cm³ = 1 kg/dm³ = 1000 kg/m³

1 GPa = 1 kN/mm²

1 MPa = 1 N/mm²