SA53 gr B spool flange manufacturer in India
Supplier of A53 gr B fabricated pipe spools in a broad range of sizes and dimensions to meet clients needs
ASTM A53 grade B pipe spools specification
Size range
- 1/8" NPS to 26" OD
ASTM A53 schedule 40 flange spool standard
- ASME B16.5
- ANSI / DIN / AWWA / JIS / API / PN standard
Wall thickness
- SCH10 to SCH XXS as per ANSI B36.10 / ASME B36.10
A53 gr B pipeline spools pressure class
- Class 150 to 2500
A53 galvanized tubing spool welder test
- AWS ATF
- ISO 17025
Fabrication process
- Cutting
- Bending
- Welding
- Dimensioning
Welding methods
- MIG/MAG
- GTAW
- SAW
- SMAW
- FCAW
Fabrication parts
- 45° / 90°elbow
- Long radius/ short radius elbow
- Tee / Reducing tee
- Cross / Reducing cross
- Weldneck / Blind / Slip on flanges
ASME SA 53 spool temperature range
- 100 – 700°F
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Pipe tolerance in OD for SA53 flange spool fabrications
| NPS | Over 4 to 8 [100 to 200], incl | 1/8 to 1-1/2 [6 to 40], incl | Over 1-1/2 to 4 [40 to 100], incl | Over 18 to 26 [450 to 650], incl | Over 8 to 18 [200 to 450], incl | Over 34 to 48 [850 to 1200], incl | Over 26 to 34 [650 to 859], incl | |
|---|---|---|---|---|---|---|---|---|
| Under | in. | 1/32 (0.031) | 1/64 (0.015) | 1/32 (0.031) | 1/32 (0.031) | 1/32 (0.031) | 1/32 (0.031) | 1/32 (0.031) |
| mm | 0.8 | 0.4 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | |
| Over | in. | 1/16 (0.062) | 1/64 (0.015) | 1/32 (0.031) | 1/8 (0.125) | 3/32 (0.093) | 3/16 (0.187) | 5/32 (0.156) |
| mm | 1.6 | 0.4 | 0.8 | 3.2 | 2.4 | 4.8 | 4 | |
ASTM A53 grade B pipe spools fabrication process
| Process 1 | Roll fitting and welding |
|---|---|
| Process 2 | Position welding/ Permanent position fitting |
Manufacturer of A53 steel prefabricated spool for heat exchanger and petrochemicals industries with VT on 100% of all welds
Accomplished A53 carbon steel pipe spool work in Spain, Solomon, Panama, and Portugal
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Exporter of NACE certified B16.5 flange & B16.9 elbow material used for ASTM A53 sch 40 spool fabrication
ASME SA53 pipe spool flange chemical composition
| M % | C max. % | P, max. % | Si min.% | S, max. % | V, max.% | Cr, max. % | Mo, max. % | Cu max. % | Ni, max. % | |
|---|---|---|---|---|---|---|---|---|---|---|
| Grade B | 1.2 | 0.30* | 0.05 | 0.1 | 0.045 | 0.08 | 0.4 | 0.15 | 0.4 | 0.4 |
A53 carbon steel spool fabrication mechanical properties
| Grade | B |
|---|---|
| Tensile strength | 415 MPa |
| Yield strength | 240 MPa |
ASTM A53 grade B pipe spools application
- Household
- Industrial application
- Medical
- Construction
- Power plants
- Petroleum refineries
Fabrication services of A53grB spool piece in piping
| Auto cutting(High speed) | welding (up to pipe size of 60") | Surface treatment |
| Pickling / Passivation | Grit blasting | Auto beveling |