JIS G3444 STK490 seamless steel pipe max carbon contents is 0.18%, STK490 seamless steel pipe can be used in gas and oil transportation.STK490 seamless steel pipe also used in mechanical and manufacture, steel structure, ship building, bridging, automobile chassis.
JIS G3444 STK490 seamless steel pipe Chemical Composition
Symbol of class
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C
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Si
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Mn
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P
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S
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STK490
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0.18 max
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0.55 max
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1.50 max
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0.040 max
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0.040 max
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Mechanical properties
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Tensile strength N/mm2
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Yield point or proof stress N/mm2
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Elongation %
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Bend ability
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Flattening
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Tensile strength in welded zone N/mm2
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No.11 and No.12 test pieces
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No.5 test piece
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Bend angle
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Inside radius (D: outside diameter of tube)
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Distance between flattening plates (H) (D: outside diameter of tube)
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Longitudinal direction
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Transverse direction
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Method of manufacture
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Seamless, butt-welding, electric resistance welding and arc welding process
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Seamless, butt-welding, electric resistance welding process
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Seamless, butt-welding, electric resistance welding process
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Arc welding process
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Outside diameter
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Full range
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Full range
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Over 40 mm
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50 mm or under
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Full range
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Over 350 mm
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STK490
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490 min
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315 min
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23 min
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18 min
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90° 6D
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7/8D
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490 min
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Standard: ASTM, BS, GB, JIS, ASTM A53-2007, BS 1387, GB/T 3091-2001, JIS G3444-2006
Certification: ISO 9001:2008, SGS, ABS, BV
Thickness:0.5 - 234 mm
Outer Diameter:15 - 610 mm
Length:1.5-11.55m, or cut as request.
We can supply any size based on customer's requirements.
Certification: ISO 9001:2008, SGS, ABS, BV
Thickness:0.5 - 234 mm
Outer Diameter:15 - 610 mm
Length:1.5-11.55m, or cut as request.
We can supply any size based on customer's requirements.
We have our own processing factory and the pre- treatment factory. And we can also make the customers enjoy our other pre-treatment services, like cutting, welding, drilling holes, galvanizing by the lowest cost price. We are a professional JIS G3444STK490 seamless steel pipe exporter and Stockist in china. Any need in STK490 seamless steel pipe, please feel free to contact us by email or calling to us by emailimfo@Katalor.com.
learn more:http://construction-steel.com/News/JIS-G3444-STK490-Seamless-Steel-Pipe-Bend-Ability.html
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