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  • STK400 steel pipe
  • stk400 steel tube

STK400 STEEL PIPE STK41 STEEL TUBE

  • Steel Standard: JIS G3444 JIS G0415
  • Manufacturing method: Seamless,Electric resistance welding,Butt welded,Automatic arc welded
  • Finishing method: Hot finished,Cold finished,As electric resistance welded
  • Sizes: WT:0.085 inch-1 inch 160 OD:1/2 inch-7 inch
  • Length: 1000mm-18000mm
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■ Overview
Japanese standard JIS G3444 specification contains carbon structural steel materials stk400 steel pipe,stk400 steel tube,stk400 seamless pipe.STK400 steel pipe can be supplied with seamless pipe and welded pipe.Former steel grade STK41 steel pipe is completely equal to STK400 steel pipe.The equivalent grades ASTM A53 steel pipe,ASTM A106 GrB steel pipe,API 5L GRB steel pipe.
■ Full Data
Technical Requirements & Additional Services for STK400 Steel Pipe:
♦ Standard test method for heat analysis according to JIS G0320
♦ General technical delivery requirements for steel and steel products under JIS G0404
♦ Steel pipes shall be furnished with plane ends or bevel end finishing if required
♦ Flattening test,Bend test,Hardness test result appear on original mill certificate
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime.
 
■ Techicals

►Mechnical property for STK400 Seamless pipe:

Grade

Yield strength (≥Mpa)

Tensile strength

(≥Mpa)

STK400

235

400


►Chemical composition for STK400 Seamless pipe (Heat Analysis Max%)

Main chemical elements composition of STK400

C

Si

Mn

P

S

0.25

-

-

0.040

0.040

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