The size with OD from 4mm to 100mm and WT from 0.3mm to 15mm complying with the standard of GB, ISO, ASTM, JIS, DIN and EN.
1. Seamless stainless steel tube
GB/T14975 seamless stainless steel tube for structure
GB/T14976 seamless stainless steel tube for liquid delivery
GB13296 seamless stainless steel for boiler and heat exchanger
2. Bearing steel tube
Size: OD 5-100mm, WT 1-14mm
Steel grade: GCr15 (52100, SUJ2, SUJ3, 100Cr6, SKF3, SKF3S), 20CrNiMo (8620H, 4118H)
3. Seamless steel tube for structure and liquid delivery
Size: OD≤100mm, WT≤14mm
Steel grade: SAE1010, SAE1020, SAE1035, SAE1045, 40MnZ, 20Cr, 40Cr, 15CrMo, 20CrMo, 30CrMo, 42CrMo, 12CrMnV, 38crMoAl, 20CrMnTi, 30CrMnSi, 40CrNiMo
4. Cold drawn and cold rolling precision seamless steel tube
Size: 20＜OD＜100
Steel grade: SAE1010, SAE1020, SAE1035, SAE1045 St35, St45, St52 complying with GB/T3639 and DIN2391
5. Shaped steel tube
Size: OD≤75mm
Steel grade: SAE1010, SAE1020, SAE1035, SAE1045, GCr15, Q195, Q235 complying with GB/T3094
6. Seamless steel tube for boiler and pressure vessel
Size: OD20-76mm, WT: 1-14mm
Steel grade: 20G, 12CrMoG, 15MoG, 20MnG, 20MoG, 15CrMoG, 12Cr1MoVG, 10Cr9Mo1VNb, 1Cr5Mo, 10MoWVNb, GB5310
