ASTM A53 B Small Diameter GI Pipe

 

ASTM A53 B Small Diameter GI Pipe

 

Products: Small Diameter GI Pipe

                Small Diameter Galvanized Steel Pipe

                Small Diameter Hot Dipped Galvanized Steel Pipe

Material: ASTM A53 GRB

Type: Seamless

Specifications we can supply: 21.3x2.77x6100mm

                                                21.3x3.73x6100mm

                                                26.7x2.87x6100mm

                                                26.7x3.91x6100mm

                                                42.2x3.56x6100mm

                                                60.3x5.54x6000mm

Packing ways: 1/2"~4"---in bundles by steel strip, each bundle has 2pcs of lifting belts, pipe ends plastic caps.

Mass per unit area of coating: not less than 550g/sqm.

 

 

Chemical Requirements of ASTM A53 B Small Diameter GI Pipe

Element	Composition max %	Remarks
Carbon	0.30	/
Manganese	1.65	/
Phosphorus	0.05	/
Sulfur	0.045	/
Copper	0.40	The total composition for these five elements shall not exceed 1.00%
Nickel	0.40
Chromium	0.40
Molybdenum	0.15
Vanadium	0.08

 

Tensile Requirements

Yield strength min	Tensile strength min	Elongation in 2inch or 50mm
240MPa	415Mpa	30%

 

End Finished of ASTM A53 B Small Diameter GI Pipe 

Out diameter	Plain ends	Bevel ends	Threaded ends
≤48.3mm	At the option of the manufacturer.		As per ANSI B1.20.1
>48.3mm	WT≥12.7mm	WT<12.7mm An angle of 30°+5°/-0° Root face 1.6mm+0.8mm

 

Permissible variations in dimensions

Outer diameter	Tolerance of outer diameter	Tolerance of Wall thickness
≤48.3mm	±0.4mm	-12.5%
≥60.3mm	±1%

 

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