ASTM A333 Grade 8 Low Temperature Steel Pipe,ASTM A333 Grade 8 Low Temperature Steel Pipe

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astm a333 grade 8 low temperature steel pipe

ASTM A333 Grade 8 Low Temperature Steel Pipe

Date:2023-11-08View:506Tags:astm a333 grade 8 low temperature steel pipe
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ASTM A333 Grade 8 steel pipes are designed for seamless and welded applications in low-temperature service and other scenarios where specified notch toughness is necessary. These pipes can be manufactured through seamless or welding methods, without the use of filler metal during the welding process. Read on to learn more about ASTM A333 Grade 8 low temperature steel pipe.

 

ASTM A333 Grade 8 Low Temperature Steel Pipe


Dimensional Range & Specification of ASTM A333 Grade 8 Steel Pipe:

Outside Diameter:20–215mm

Wall Thickness:2–15mm

Length:6000mm, 12000mm or specified length as required.

 

Chemical Composition(%) of ASTM A333 Grade 8 Steel Pipe:

Steel Grade

Chemical Composition(%)

C

Mn

P

S

Si

Ni

Grade 8

≤0.13

≤0.90

≤0.025

≤0.025

0.13-0.32

8.40-9.60

 

Physical Properties of ASTM A333 Grade 8 Steel Pipe:

 

Grade 4

 

Ksi

Mpa

Tensile strength, min 

100

690

Yield strength, min

75

515

 

Longitudinal 

Transverse

Elongation in 2 in.or 50 mm, (or 4D), min, %:

 

Basic minimum elongation for walls 5⁄16 in.[8 mm]and over in thickness,strip tests, and for all small sizes tested
in full section

22

……

When standard round 2-in.or 50-mm gage length or proportionally smaller size test specimen with the gage length equal to 4D (4 times the diameter) is used

16

……

For strip tests,a deduction for each 1⁄32  in.[0.8 mm] decrease in wall thickness below 5⁄16 in.[8 mm] from the basic minimum elongation of the following percentage

1.25B

…….

 

Inspection and Testing of ASTM A333 Grade 8 Steel Pipe:

- Chemical composition inspection

- Mechanical property testing (tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact testing)

- Surface and dimensional testing

- Non-destructive testing

- Hydrostatic test

 

Packaging of ASTM A333 Grade 8 Steel Pipe:

Bare packaging/bundle packaging/crate packaging/tubes have wooden protection on both sides and are properly protected for airworthy transport or as required.

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