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Stainless Steel Seamless Pipes / Tubes

Stainless Steel Seamless Pipes / Tubes

Stainless steel is a low-cost and corrosion-resistant material with a high level of durability. It is ideal for both residential and marine applications. Not only is it durable and long-lasting with a perfect surface finish, but it also has excellent strength.

Stainless Steel Seamless Pipes / Tubes are widely used in commercial and industrial fields, especially fluid transportation. With appropriate processes, they have superior performance in high pressure, high strength, and corrosion resistance.

Chemical Composition

Steel Grade
  • 304 Steel Grade C%
  • 0.08%
  • 304 Steel Grade Cr%
  • 18.0~20.0%
  • 304 Steel Grade Ni%
  • 8.0~10.5%
  • 316L Steel Grade C%
  • 0.03%
  • 316L Steel Grade Cr%
  • 16.0-18.0%
  • 316L Steel Grade Ni%
  • 12.0-15.0%

Product Specification and Size :

Available Specification

Product Name Executive Standard Dimension Steel Code / Steel Grade
Seamless Austenitic Stainless Steel Pipes ASTM A312/A312M, ASME SA312/SA312M

OD: 6.0~914.0mm
WT: 0.5~88mm

TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H
Seamless Austenitic Stainless Steel Tubing for General Service ASTM A269, ASME SA269 OD: 6.0~50.8mm
WT: 0.8~10.0mm

TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H
Seamless Austenitic Alloy-Steel Boiler, Super Heater and Heat-Exchanger Tubes ASTM A213/A213M, ASME SA213/SA213M OD: 6.0~50.8mm
WT: 0.8~10.0mm

TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H
Seamless Duplex Stainless Steel Tubing for General Service ASTM A789 / A789M OD: 19.0~60.5mm
WT: 1.2~5.0mm		 S31803, S32205, S32750
Seamless Duplex Stainless Steel Pipes ASTM A790 / A790M OD: 3/4"~10"
WT: SCH5S~SCH80S		 S31803, S32205, S32750
Seamless Stainless Steel Mechanical Tubing ASTM A511 OD: 6.0~50.8mm
WT: 1.8~10.0mm

MT304, MT304L, MT304H, MT310, MT310S, MT316, MT316L, MT317, MT317L, MT321, MT321H, MT347
Seamless Stainless Steel Tubes for Pressure Purposes EN 10216, DIN 17456, 17458

OD: 6.0~914.0mm
WT: 0.5~88mm

1.4301, 1.4307, 1.4541, 1.4401, 1.4404, 1.4571, 1.4878, 1.4432, 1.4462

Application

Stainless steel seamless pipe can resist high temperatures for cleanliness and maintain the purity of materials which contact stainless steel directly. Stainless steel pipe and tubing are used in chemical plants, aviation fields, marine equipment, cryogenic transportation, medical and architectural industries.

- Chemical plants
- Aviation fields
- Marine equipment
- Cryogenic transportation
- Medical & architectural industries

Breweries and energy industry
oil and gas industry

Chemical Composition & Mechanical Property

Chemical Composition (For Reference)

JIS Specification
Spec.
JIS
G4304
G4305
G4312
Steel Grade Ni% Max. Cr% Max. C% Max. Si% Max. Mn% Max. P% Max. S% Max. Mo% Max. Ti% Max. Other
SUS304 8.0~10.5 18.0~20.0 0.08 1.0 2.0 0.045 0.03 - - -
SUS304L 9.0~13.0 18.0~20.0 0.03 1.0 2.0 0.045 0.03 - - -
SUS310S 19.0~22.0 24.0~26.0 0.08 1.5 2.0 0.045 0.03 - - -
SUS316L 12.0~15.0 16.0~18.0 0.03 1.0 2.0 0.045 0.03 2.0~3.0 - -
SUS321 9.0~13.0 17.0~19.0 0.08 1.0 2.0 0.045 0.03 - 5xC MIN. -

Mechanical Property (For Reference)

JIS Specification
Spec.
JIS
G4304
G4305
G4312
Steel Grade N/mm 2 MIN.
Tensile Stress		 N/mm 2 MIN.
Proof Stress		 % MIN.
Elongation		 HRB MAX.
Hardness		 Bendability:
Bending Angle		 Bendability:
Inside Radius
SUS304 520 205 40 90 No Require -
SUS304L 480 175 40 90 No Require -
SUS310S 520 205 40 90 No Require -
SUS316L 480 175 40 90 No Require -
SUS321 520 205 40 90 No Require -