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  • A420 WPL3 Fittings

Name:A420 WPL3 Fittings
Specification:ASTM A420
Size:1/2" to 120"
Rating:SCH10 To SCHXXS
Steel Grade:A420 WPL3
Packing:Standard seawory/airworthy packing
End:Plain ends or bevelled ends
Delivery term:FOB, CIF, CNF, EXW
Payment term:TT or L/C at sight
Loading Port:XINGANG
Deliver mode:By sea, By air, By land

Product Description

A420 WPL3 Buttweld Fittings

We are a manufacturer, supplier and exporter of A420 WPL3 Buttweld Pipe Fittings which abide by the specifications of ASTM A420, which include wrought Carbon steel as well as Alloy Steel fittings, of seamless and welded construction.  Workable under temperatures ranging from moderate to elevated, our buttweld fittings ensure better performance in the pressure piping and pressure vessel fabrication applications.

We offer innovation and quality packaged into a durable product line that embodies excellence. We are dedicated to the highest level of quality, contributing premium goods and services for various industries. Our preference is our customer and his/her complete satisfaction.

We hold a study the on market courses and requirements, to invent new, sustainable and cost-effective products able to withstand customization. Our products are 100% durable.

A420 WPL3 Buttweld Fittings Specifications 

: ANSI/ASME B16.9, B16.28, MSS-SP-43.

Standard : ASTM A420 / ASME SA420

A420 WPL3 Buttweld Fittings Size 

: ½”NB to 48″NB in Sch 10s, 40s, 80s, 160s, XXS.

Schedules : Sch.40 to Sch.XXs

Type : Seamless / Welded, Elbow, Tees, Reducers, Caps 

A420 WPL3 Buttweld Fittings Dimension

A420 WPL3 Buttweld Fittings Weight

ASTM A333 WPL3 Buttweld Fittings Chemical Composition

Chemical Composition of ASTM A420
Elements WPL6, % WPL9, % WPL3, % WPL8, %
Carbon [C] ≤0.30 ≤0.20 ≤0.20 ≤0.13
Manganese [Mn] 0.50-1.35 0.40-1.06 0.31-0.64 ≤0.90
Phosphorus [P] ≤0.035 ≤0.030 ≤0.05 ≤0.030
Sulfur [S] ≤0.040 ≤0.030 ≤0.05 ≤0.030
Silicon [Si] 0.15-0.40 0.13-0.37 0.13-0.37
Nickel [Ni] ≤0.40 1.60-2.24 3.2-3.8 8.4-9.6
Chromium [Cr] ≤0.30 ... ... ...
Molybdenum [Mo] ≤0.12 ... ... ...
Copper [Cu] ≤0.40 0.75-1.25
Columbium [Cb] ≤0.02 ... ... ...
Vanadium[V] ≤0.08 ... ... ...

*For grade WPL6, the limit for Columbium may be increased up to 0.05% on heat analysis and 0.06% on product analysis.

*Fittings of WPL3 made from plate or forgings may have 0.90 % max manganese.

*Fittings of WPL8 made from plate may have 0.98 % max manganese.

ASTM A420 WPL3 Buttweld Fittings Mechanical Properties

ASTM A420/ A420M Tensile Strength, min. Yield Strength, min. Elongation %, min
Grade ksi MPa ksi MPa Longitudinal Transverse
WPL6 65-95 415-655 35 240 22 12
WPL9 63-88 435-610 46 315 20
WPL3 65-90 450-620 35 240 22 14
WPL8 100-125 690-865 75 515 16

*All the elongation values are on the basis of standard round specimen, or small proportional specimen, min % in 4 D. 

Impact Test Properties

Since these pipe fittings are primarily used for low-temperature service, the properties of charpy V-notch impact test must be considered.

Charpy Impact Requirements for WPL6, WPL9, and WPL3
Size of Specimen A* B*
mm ft·lbf J ft·lbf J
10 by 10.0 13 17.6 10 13.6
10 by 7.5 10 13.6 8 10.8
10 by 5.0 7 9.5 5 7.0
10 by 2.5 4 5.4 3 4.1

A*Charpy V-Notch Impact Value Required for Acceptance (Average of Three Specimens)

B*Minimum Charpy V-Notch Impact Value Without Requiring Retest (One Specimen Only of a Set)

Impact Test Temperature
Grade °F [°C]
WPL6 −50 [−45]
WPL9 −100 [−75]
WPL3 −150 [−100]

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