Our processing mill has evolved from SNMRI (Shanghai Non-ferrous Metal Research Institute) with 40 years’ experience in manufacturing high quality seamless tubes.Product manufacturing process including cold rolled,cold forging,protection gas solution,untra-sonic cleaning,eddy current testing,etc.

OD WT BA ID Roughness EP ID Roughness Straightness Concentricity Pressure Mpa
1/8″ (3.175mm) 0.020″∼0.028″ (0.51mm∼0.71mm) Ra0.50µm  ∼ Ra0.30µm ;the specific detail can be negotiated Ra0.3µm  ∼ Ra0.16µm ;the specific detail can be negotiated ≦0.7mm/M ±0.01mm 54.8
1/4″ (6.35mm) 0.035″∼0.039″ (0.89mm∼0.1.0mm) ≦0.7mm/M 34.3
3/8″ (9.53mm) 0.035″∼0.039″ (0.89mm∼0.1.0mm) ≦0.5mm/M 22.8
1/2″ (12.5mm) 0.039″∼0.0488″ (1.0mm∼1.24mm) ≦0.5mm/M ±0.02mm 24
5/8″ (15.88mm) 0.039″∼0.0488″ (1.0mm∼1.24mm) ≦0.5mm/M 21.2
3/4″ (19.05mm) 0.0488″∼0.065″ (1.24mm∼1.65mm) ≦0.5mm/M 17.6
1.0″ (25.4mm) 0.0488″∼0.065″ (1.24mm∼1.65mm) ≦0.5mm/M 15.9

BATubes Applications:

Water for injection apparatus

Clean tubes projects

High pure fluid transportation

Solar energy battery panel

Solar energy baseplate

For specific od,wt,length,tolerance and roughness can be negotiated by details’ requriements.

stainless steel tubs stainless steel tubings
TP316L tubes TP304 stainless steel tubings