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  • ASTM A312 TP310S stainless steel seamless pipe
  • tp316l pipe
  • a790 duplex tube
  • 254smo pipe

Stainless steel Seamless Pipe

  • Material: Stainless steel
  • Type: Seamless
  • End: Beveled End, Plain End
  • Service: Cutting, Welding, Fabricated, Customized

PRODUCT DESCRIPTION

Stainless Steel Seamless Pipe is made of stainless steel ingot or solid pipe blank through perforation, after a serious manufacturing processes such as hot rolling, cold rolling or cold drawing. It is widely used in various fluid transport projects for the Oil Gas or water,  also the manufacture of mechanical parts and engineering structures.

HT PIPE offers all types of Stainless Steel Seamless Pipe for the Oil and Gas and Refinery Industry as the Pipe Suppliers.

We offer
Seamless Stainless Steel Pipe
Seamless Duplex Steel Pipe
Seamless Super Duplex Steel Pipe

Our stainless steel seamless pipes are manufactured in accordance with:
ASTM A312 Seamless Austenitic Stainless Steel Pipes
ASTM A213 Seamless Austenitic Alloy-Steel Boiler, Super Heater and Heat-Exchanger Tubes
ASTM A269 Seamless Austenitic Stainless Steel Tubing for General Service
ASTM B677 Seamless pipe covers in UNS N08925, UNS N08926
ASTM A789 Seamless Duplex Stainless Steel Tubing for General Service
ASTM A790 Seamless Duplex Stainless Steel Pipes

Dimensions in accordance with:
ANSI B36.19

Seamless stainless steel pipe specification and size
Standard Dimension  Steel Grade
ASTM A312 OD: 1/4"-20"
WT: SCH5S-SCH80S
TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti,
TP317, TP317L, TP321, TP321H, TP347, TP347H, S31254, 904L
ASTM A213 OD: 6.0-50.8mm
WT: 0.8-10.0mm
TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti,
TP317, TP317L, TP321, TP321H, TP347, TP347H, S31254, 904L
ASTM A269 OD: 6.0-50.8mm
WT: 0.8-10.0mm
TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti,
TP317, TP317L, TP321, TP321H, TP347, TP347H, S31254
ASTM A789 OD: 19.0-60.5mm
WT: 1.2-5.0mm
S31803, S32205, S32750,S32760
ASTM A790 OD: 3/4"-10"
WT: SCH5S-SCH80S
S31803, S32205, S32750,S32760
EN 10216
DIN 17456
DIN 17458
OD: 6.0-530.0mm
WT: 0.8-34.0mm
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4878, 1.4432, 1.4462
stainless steel pipe size
Seamless stainless steel pipe Manufacturing types and processes
1. Seamless Hot Rolling Processes
Round Pipe Billet → Heating → Perforation → Three Roll Skew Rolling, Continuous Rolling or Extrusion → Off Pipe → Sizing (Or Reducing Diameter)→ Cooling → Billet → Straightening → Water Pressure Test ( Or Flaw Detection) → Marking → Storage
2. Seamless Cold Rolling (Cold drawn) Processes
Round Pipe Billet → Heating → Perforation → Head → Annealing → Pickling → Oil (Copper) → Multi Pass Drawing (Cold Rolling) → Billet → Heat Treatment → Straightening → Water Pressure Test → Marking → Storage

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