JIS G3444 STK400 seamless steel pipe is widely used seamless steel pipe products. STK400 seamless steel pipe can be used in gas and oil transportation.STK400 seamless steel pipe is also used in mechanical and manufacture, steel structure, ship building, bridging, automobile chassis.
JIS G3444 STK400 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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STK400
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0.25 max
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-
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-
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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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STK400
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400 min
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235 min
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23 min
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18 min
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90° 6D
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2/3D
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400 min
| |
Standard: ASTM, AISI, DIN, EN, JIS
Thickness:0.2-60mm
Outer Diameter:6-630mm
Length:1000mm~6000mm
We can supply any size based on customer's requirements
Thickness:0.2-60mm
Outer Diameter:6-630mm
Length:1000mm~6000mm
We can supply any size based on customer's requirements
We are a trusted and reliable brand for our high quality and good manufacturing of JIS G3444 STK400 seamless steel pipe .Our company has been a manufacturer and exporter of STK400 seamless steel pipe for decades, and has been sold all over the world with favorable price. As a responsible enterprise, we always stick to be your satisfying partner.
Company Name: Shanghai Katalor Enterprises
Address：Room 301,Unit 6,lane 2500,xiupu Road, Kang qiao Industrial Area, Pu dong New District, Shanghai
Address：Room 301,Unit 6,lane 2500,xiupu Road, Kang qiao Industrial Area, Pu dong New District, Shanghai
learn more:http://construction-steel.com/News/JIS-G3444-STK400-steel-pipe-Method-of-Manufacture.html
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