ASTM A182 F22 クラス 600 ウェルドネックフランジの出荷準備完了
SASA FLANGE completed a batch of ASTM A182 F22クラス 600 weld neck flanges for elevated-temperature process piping. Final release covered material identity, 熱価トレーサビリティ, 硬度, 寸法, facing condition and export protection before shipment.
Project snapshot
| Project status | Completed and released for shipment |
|---|---|
| 材料 | ASTM A182 F22 forged alloy steel |
| Flange type | ウェルドネック, raised face (WNRF) |
| 標準 | ASME B16.5 |
| Pressure class | クラス 600 |
| サイズ範囲 | NPS 2–12; bores matched to ordered pipe schedules |
| 検査 | PMI, 硬度, 寸法, visual condition and marking |
| Application | High-temperature refinery and petrochemical process piping |
Delivery highlights
Manufacturing and machining scope
The F22 forgings were processed under the ordered material and heat-treatment requirements before final machining. Hub profiles, bolt drilling, gasket faces and weld ends were produced to the applicable ASME B16.5 dimensional envelope. The ordered pipe schedule was treated as a controlled input because a correct Class 600 flange can still create a field mismatch if the bore or weld preparation is wrong.
During production, heat identity followed the parts through machining and inspection. Permanent marking was applied in a location that remained legible after coating and packing without affecting the sealing surface or weld end.
Release inspection before shipment
PMI confirmed the chrome-moly alloy family, while hardness readings and material records addressed the delivered condition. Dimensional checks covered outside diameter, 厚さ, ハブの形状, bolt-hole pattern, ボア, weld end and raised-face condition. These checks perform different functions and were reviewed together rather than using PMI as a substitute for mechanical or dimensional acceptance.
Following release, sealing faces received rigid protection and the flanges were separated inside the export package to prevent metal-to-metal impact.
Information needed for a comparable RFQ
A comparable inquiry should identify the exact material specification and grade, governing standard and edition, NPS, 圧力クラス, フランジタイプ, 直面している, bore or matching pipe schedule, quantity and destination. For this project-news scope, the key reference points were ASTM A182 F22 forged alloy steel, ウェルドネック, raised face (WNRF), クラス 600 そして NPS 2–12; bores matched to ordered pipe schedules.
State the required EN 10204 証明書の種類, 熱価トレーサビリティ, PMIの程度, 硬度限界, 寸法レポート, NDE method and acceptance standard, third-party witness points, packing method and required delivery date at quotation stage. Early definition allows manufacturing, inspection and document schedules to be reviewed together.
Production, inspection and packing photos
Images show the relevant SASA FLANGE production, quality-control and shipment stages used for this project-news report.
Related technical guides
よくある質問
Does Class 600 mean the flange is rated for 600 psi in every condition?
いいえ. Allowable pressure depends on the material group and design temperature in the adopted ASME B16.5 rating table.
Why is the pipe schedule needed for a weld neck flange?
The schedule or exact wall thickness defines the required bore and weld-end transition for field welding.
Which documents accompanied the shipment?
The release package was prepared around EN 10204 3.1 material records, heat traceability and the ordered inspection reports.
Request a quotation for alloy steel flanges
Send the ASTM grade, standard and edition, NPS, 圧力クラス, フランジタイプ, 直面している, bore or pipe schedule, 量, delivery destination and required PMI, 臨死体験, 硬度, third-party inspection and documentation.
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