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Alloy 4340 Seamless Steel Pipe ASTM DIN EN JIS GB Standard Seamless Pipe

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Alloy 4340 Seamless Steel Pipe ASTM DIN EN JIS GB Standard Seamless Pipe

Country/Region china
City & Province wuxi jiangsu
Categories Structural Steel
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Product Details

Alloy 4340 Seamless Steel Pipe ASTM DIN EN JIS GB Standard Seamless Pipe

 

Product Name
Carbon Steel Pipe; Carbon Steel Tube
 
 
 
Grade
A36; A106B; A113; A131; A283;A284; A306; A335; A573;
SS400; SAE1006; SAE1008; SAE1010;
1020; 1015; 4001; 4130; 4140; 4340
Q195; Q215; Q235B; Q255; Q275; Q345B; Q420; Q460; Q550; Q690;
S275JR; S355JR; S40C; S45C; S50; S55C; 65Mn;
T8; T10; T8A; T10A; T12A
10#; 20#; 35#;45#; etc.
 
Outside Diameter
square: 10*10-1000*1000mm
rectangular: 10*15 - 800*1100mm
Round:10.3mm-609mm
Thickness
0.25-100mm or customization
Length
1-12m or customization
Protection
Plastic caps
Pipe Ends
plain, beveled, threaded, socket with holes, with PVC clap/ coupling/ clamp or as customers' requirement
Lead Time
7-15 days
Technique
Hot Rolled/Cold Rolled/Cold Drawn
Quality Certificate
ISO 9001
 
 
Application
liquid delivery (pump well, gas, water)
construction pipe
structural pipe(greenhouse structure, fence post)
boiler pipe(Resistance to high pressure)Oil casing (Drilling for oil)
Precision tube(Machine parts)

 

Alloy AISI 4340 is made from low alloy elements which possess good strength. The AISI 4340 Tube is made with a high chemical composition of nickel, chromium, and molybdenum. This makes these tubes highly resistant to corrosion and oxidation in different environments. The 4340 Chromoly Tubing enables it to exist in high-pressures and elevated temperature systems. This tubing can be formed by standard hot-rolling or cold-rolling procedures. The AISI 4340 Alloy Steel Tube exhibits exceptional strength and excellent mechanical properties. These tubes have a minimum tensile strength of 1014Mpa and a minimum yield strength of 835Mpa. The AISI 4340 Steel Pipe can be easily machined and fabricated. These pipes can be easily elongated by 13% and still exhibit excellent workability. They possess a hardness between 248 to 444 Brinell.

 

The SAE 4340 Pipe is designed with excellent shock and wear resistance. These pipes offer good ductility and excellent reliability. They can be hardened or annealed on request. An SAE 4340 Seamless Pipe is designed without the requirement of welds or seams. The single sheet pipe possesses exceptional strength and enhanced performance. They are a little expensive due to the materials used in their production. A519 Gr 4340 Steel Tube is a high-performance tube that exhibits exceptional strength. These pipes exhibit a sturdy construction with an excellent finish. They have a long service life in stress-induced environments. ASTM A519 Grade 4340 Tube can be availed in single random, double random, and custom sizes.

Mechanical Behaviour of ASTM A519 Gr 4340 Square Tube

 NormalizedAnnealed
Tensile Strength185,500 psi108,000 psi
Yield Strength125,000 psi68,500 psi
Elongation (2")12.2%22%
Reduction in Area36.3%49.9%
Brinell Hardness363217

SAE 4340 Pipe Dimensions Standard and Specification

SpecificationASTM A519/ ASME SA519
Thickness3 - 12 millimeter, Cut to length
Schedule Thickness RangesSCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules
ToleranceCold rolled tube: +/-0.05 millimetre
Cold drawn tube: +/-0.1 millimetre
FormHydraulic, Square, Rectangular, Round Etc.
Sizes1/2" NB to 36" NB
EndBeveled, Threaded, Plain
TypeWelded | CDW | ERW | DOM | Seamless | Fabricated | CEW | LSAW
Surface Finish2B, No.1, No.4, No.8 Mirror Finish
LengthSingle and Double Random, Cut to Length
Delivery ConditionAnnealed & Pickled, Polished, Bright & Annealed, etc

 

Alloy Steel 4340 Equivalent Grades

StandardASTM A519EN 10297BS 3059JIS G3441
Grades434036CrNiMo4/
1.6511
EN24/817M40SNCM 439/SNCM8

Size Table of Alloy Steel Type 4340 Seamless Pipe

O.D. * Thk.O.D. * Thk.O.D. * Thk.
57 * 4.938.1 * 3.276.2 * 4
57 * 6.338.1 * 476.2 * 5
57 * 7.938.1 * 6.376.2 * 6.3
60.3 * 3.242.4 * 3.282.5 * 4.5
60.3 * 3.642.4 * 488.9 * 3.2
60.3 * 544.5 * 3.288.9 * 3.6
63.5 * 3.244.5 * 6.388.9 * 4
63.5 * 3.648.3 * 3.2101.6 * 3.6
63.5 * 448.3 * 3.6101.6 * 4.5
63.5 * 6.350.8 * 4.5101.6 * 6.3
63.5 * 7.951 * 3.2114.3 * 3.6
70 * 3.251 * 3.6114.3 * 5
70 * 3.651 * 6.3139.7 * 4
70 * 6.357 * 3.2139.7 * 5
76.2 * 3.657 * 3.6139.7 * 6.3

 

 

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