Product Description
ASTM A420 Low Temperature Buttweld Fittings
ASTM A420 WPL6, WPL3, WP8 – LTCS Buttweld Pipe Fittings
cangzhou wilson pipeline Are A Leading Manufacturer For Your A420 Low Temperature Buttweld Pipe Fittings
ASTM A420 include wrought Carbon steel as well as Alloy Steel fittings, of seamless and welded construction. Workable under temperatures ranging from moderate to elevated, our 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.
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A420 Buttweld Fittings Specifications
: ANSI/ASME B16.9, B16.28, MSS-SP-43.
Standard : ASTM A420 / ASME SA420
A420 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 Buttweld Fittings Dimension
A420 Buttweld Fittings Weight
ASTM A420 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 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] |
