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.

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Product Specification and Size :

Available Specification

Product Name Executive Standard Dimension Steel Code / Steel Grade
Industrial Pipes ASTM A312, A358, A778
JIS G3459		 OD: 1/4″~40″
WT: SCH5S~SCH80S		 TP304, TP304L, TP316L, SUS304TP
Tubes for Boiler and Heat-Exchanger, General Service Tubing ASTM A249, A269, JIS G3463 OD: 15.9~139.8mm
WT: 1.6~5.0mm		 TP304, TP304L, TP316L, SUS304TB
Mechanical and Structural Tubes ASTM A554, JIS G3446 OD: 7.9~152.4mm
WT: 0.5~6.5mm		 MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD SUS304
Square Tubes ASTM A554 OD: 12.7×12.7~150x150mm
WT: 0.7~6.5mm		 MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD
Rectangular Tubes ASTM A554 OD: 10×20~100x200mm
WT: 0.7~6.5mm		 MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD
Sanitary Tubing ASTM A270
JIS G3447		 OD: 25.4~165.2mm
WT: 0.8~3.05mm		 TP304, TP304L, TP316L, SUS304TBS
Large Gauge Pipes for Ordinary Piping JIS G3448 OD: 15.88~318.5mm
WT: 0.8~3.0mm		 SUS304TPD
Large Diameter Pipes JIS G3468 OD: 14″~40″
WT: SCH5S~SCH40S		 SUS304TPY

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 –

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