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JIS G3444 Seamless carbon steel pipe for structural use
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JIS G3444 Seamless carbon steel pipe for structural use
Still deciding? Get samples first, Contact US !
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Product Description
Pipes to JIS G 3444 are seamless carbon steel tubes for structural use, which can be formed by bending, crimping and similar processes, and are also suitable for welding operations. Pipe material grades (chemical composition) are STK209. STK400. STK500. STK490 and STK540. manufactured by hot forming or cold drawing.
Product Size
Outer diameter: 21.3～610mm
Wall thickness: 2.77～22.00mm
End: Flat end
Length: 3 to 12 meters or SRL, DRL, double-footed and fixed-footed
Product Packaging
The outer surface is oiled or varnished/black painted, also hot-dip galvanized, and strapped with steel straps.
Chemical composition
C Si Mn P S STK290 ≤0.050 ≤0.050 STK400 ≤0.25 ≤0.040 ≤0.040 STK500 ≤0.24 ≤0.35 0.30~1.30 ≤0.040 ≤0.040 STK490 ≤0.18 ≤0.55 ≤1.50 ≤0.040 ≤0.040 STK540 ≤0.23 ≤0.55 ≤1.50 ≤0.040 ≤0.040 Product Mechanical Properties
Tensile strength ≥, MPa Yield strength ≥, MPa Elongation after break ≥, % STK290 290 详见产品标准 STK400 400 235 STK500 500 355 STK490 490 315 STK540 540 390 Application
Typically used in the construction of civil engineering, architecture, pylons, scaffolding, columns and other structures.
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Yantai Pipe industry Co., Ltd.,
E-mail: info@yantaipipe.cn
WhatsApp: 8615653819370
Tel: 0086-535-6281117
Add: No. 161 Changjiang Road, FTZ, Yantai , China