*携带的水管

we are manufacturer of bearing tube and pipe in China. Below are our products: Bearing pipeSizeSpecificationQuantity Out Diameter.8mm 95mm GCr15 100Cr625,000MT/YEAR Wall thickness1mm 15mm LengthMax. 1800mmGB/T18254-2002High-carbon chromium bearing steel tubeApplicationFor bearing use and etcGrade and Chemical Composition (%)GradeC Si Mn Cr Mo ≤P ≤S≤Ni≤Cu ≤Ni+Cu≤O ≤GCr150.95-1.050.15-0.350.25-0.451.40-1.650.10.0250.0250.30.250.512x10-6Dimension TolerancesPipe TypePipe SizesTolerancesCold DrawnOutDiameter≤65mm+0.2/-0.1mm>65mm±0.20mmWall Thickness3-4mm+12%/-0>4-12mm+10%/-0Brinell Hardness NumberGCr15179-207HBThere will be a Mill Test Certificate attached to our mill's steel tubes .Our company product range: OD:10-90mm WT(wall thickness):2-15mm