JIS G3444 G3445 G3452 Welded Pipe

JIS G3444 G3445 G3452 ERW Steel Pipe Supplier-GNEE

JIS G3444, G3445, G3452 are standards for carbon steel pipes, among which JIS G3444 is welded or seamless carbon steel pipes for general structural purposes, civil engineering, construction, steel towers, scaffolding, pillars, piles for landslide suppression and other structures, JIS G3445 is a carbon steel pipe used in mechanical equipment, automobiles, bicycles, furniture, electrical appliances and other mechanical parts. JIS G3452 is used for pipes with relatively low working pressure, such as steam, water (except water supply), oil, gas , air, etc.

GNEE Group can provide JIS G3444, G3445, G3452 carbon steel welded pipes. If you need it, please provide the steel pipe specifications you need, and we will provide the latest quotation according to your requirements as soon as possible.

JIS G3444 G3445 G3452 Welded Pipe Specification

Standard: JIS G3444
Material/Steel Grade: Carbon Steel
Application: for General Structure Purpose
Size(mm): OD21.7~216.3 x WT2.0~6.0
Standard: JIS G3445
Material/Steel Grade: STKM11A, STKM13A
Application: for Machine Structure Purpose
Size(mm): OD15~76 x WT0.7~3.0
Standard: JIS G3452
Material/Steel Grade: Carbon Steel
Application: for Ordinary Piping
Size(mm): OD 21.9~216.3 x WT2.8~5.8

JIS
Product Name	Executive Standard	Dimension (mm)	Steel Code / Steel Grade
Carbon Steel Tubes for General Structure Purpose	JIS G3444	Ø21.7~216.3 x WT2.0~6.0	Carbon Steel
Carbon Steel Tubes for Machine Structure Purpose	JIS G3445	Ø15~76 x WT0.7~3.0	STKM11A, STKM13A
Carbon Steel Pipes for Ordinary Piping	JIS G3452	Ø21.9~216.3 x WT2.8~5.8	Carbon Steel

Tolerances on Outside Diameter and Wall Thickness of JIS G3444 G3445 G3452 Carbon Steel Pipe

Division	Tolerances on outside diameter	Tolerances on wall thickness
Hot-finished seamless steel pipe	40 A or under 0.5mm	Under 4mm
	50A or over up to and incl. 125 A 1%	+0.6mm   -0.5mm   4mm or over   +15%   -12.5%
	150A 1.6mm
	200A or over 0.8% For the pipe of nominal size 350 A or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. In this case, the tolerances shall be 0.5%.
Cold-finished seamless steel pipe and electric resistance welded steel pipe	25 A or under 0.3mm	Under 3mm 0.3mm   3mm or over 10%
	32 A or over 0.8%   For the pipe of nominal size 350 A or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. In this case, the tolerances shall be 0.5%.

JIS G3444 G3445 G3452 Welded Carbon Steel Pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GNEE Group supplies seamless and welded steel pipes for structural applications and can be hydrostatically tested if required. As a leading structural pipe manufacturer and supplier with 16 years of manufacturing and exporting JIS G3444 G3445 G3452 steel pipes, we stock JIS G3444 grade, JIS G3445 grade, JIS G3452 grade steel pipes in different sizes, please contact us if needed.

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