Share to
JIS G3444
Still deciding? Get samples first, Contact US !
JIS G3444
Still deciding? Get samples first, Contact US !
- Description
-
Product Description
Steel pipes to JIS G 3444 are carbon steel pipes for general structural purposes, which can be formed by bending, crimping and similar processes, and are also suitable for welding operations. The welded steel pipe material grades (chemical composition) are STK290, STK400, STK500, STK490 and STK540, and are manufactured by resistance, furnace or electric arc welding processes.
Product Size
Outside diameter: 21.3～610mm
Wall thickness: 2.77～22.00mm
End: Flat end
Length: 3～12 meters or SRL, DRL, double feet and fixed feet.Packaging
Outer surface with clear/black paint, hot dip galvanized or anti-corrosion treatment (FBE, 3LP, 3LPP) for option, steel strapping.
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
See product standards for details
STK400
400
235
STK500
500
355
STK490
490
315
STK540
540
390
Application range
Typically used in the construction of civil engineering, architecture, pylons, scaffolding, columns and other structures.
Related Products
Website Map
Contact Us
Yantai Pipe industry Co., Ltd.,
E-mail: info@yantaipipe.cn
WhatsApp: 8615653819370
Tel: 0086-535-6281117
Add: No. 161 Changjiang Road, FTZ, Yantai , China