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Flanges conforming to ASME B16.5 shall be made from forgings, castings, or plates in a variety of metal grades. These various metal grades can be further categorized into many material groups as listed in tables below according to same pressure-temperature ratings. Besides, these materials shall be applied with the following restrictions: (1) Plate and flat bar materials may be used only for blind flanges and reducing flanges without hubs; (2) Flanges shall be manufactured as one piece in accordance with the applicable material specification; (3) Flanges made from forgings shall be machined from a part that is brought as nearly as practicable to the finished shape and size; (4) The forging process is a compressive plastic hot-working operation that consolidates the material to produce an essentially wrought structure, and shall be so processed during the operation as to cause metal flow in the direction most favorable for resisting the stress encountered in service.
Materials in applicable ASTM specifications, which can be used for the manufacture of ASME B16.5 flanges, are listed in tables below. Each table indicates a specific material group. Metal grades of forging, casting, or plate in the same row of the table shall have the same nominal chemical composition. Corresponding materials listed in Section II of ASME BPVC may be used provided that the requirements of the ASME specification are identical to or more stringent than the ASTM specification for the grade, class, or type of material.
Forgings | Castings | Plates |
---|---|---|
A105 | A216 Gr. WCB | A515 Gr. 70 |
A350 Gr. LF2 | - | A516 Gr. 70 |
- | - | A537 Cl. 1 |
A350 Gr. LF6 Cl. 1 | - | - |
A350 Gr. LF3 | - | - |
Forgings | Castings | Plates |
---|---|---|
- | A216 Gr. WCC | - |
- | A352 Gr. LCC | - |
A350 Gr. LF6 CL 2 | - | - |
- | A352 Gr. LC2 | A203 Gr. B |
- | A352 Gr. LC3 | A203 Gr. E |
Forgings | Castings | Plates |
---|---|---|
- | A352 Gr. LCB | A515 Gr. 65 |
- | - | A516 Gr. 65 |
- | - | A203 Gr. A |
- | - | A203 Gr. D |
- | A217 Gr. WC1 | - |
- | A352 Gr. LC1 | - |
Forgings | Castings | Plates |
---|---|---|
- | - | A515 Gr. 60 |
A350 Gr. LF1 CL 1 | - | A516 Gr. 60 |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F1 | - | A204 Gr. A |
- | - | A204 Gr. B |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F2 | - | - |
- | A217 Gr. WC4 | - |
- | A217 Gr. WC5 | - |
Forgings | Castings | Plates |
---|---|---|
- | A217 Gr. WC6 | - |
A182 Gr. F11 CL 2 | - | A387 Gr. 11 CL 2 |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F11 GL 3 | A217 Gr. WC9 | A387 Gr. 22 CL 2 |
Forgings | Castings | Plates |
---|---|---|
- | - | A204 Gr. C |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F5a | A217 Gr. C5 | - |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F9 | A217 Gr. C12 | - |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F91 | A217 Gr. C12A | A387 Gr. 91 CL 2 |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F12 CL 2 | - | - |
A182 Gr. F5 | - | - |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F92 | - | - |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F304 | A351 Gr. CF3 | A240 Gr. 304 |
A182 Gr. F304H | A351 Gr. CF8 | A240 Gr. 304H |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F316 | A351 Gr. CF3M | A240 Gr. 316 |
A182 Gr. F316H | A351 Gr. CF8M | A240 Gr. 316H |
A182 Gr. F317 | - | A240 Gr. 317 |
- | A351 Gr. CG8M | - |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F304L | - | A240 Gr. 304L |
A182 Gr. F316L | - | A240 Gr. 316L |
A182 Gr. F317L | - | - |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F321 | - | A240 Gr. 321 |
A182 Gr. F321H | - | A240 Gr. 321H |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F347 | - | A240 Gr. 347 |
A182 Gr. F347H | - | A240 Gr. 347H |
A182 Gr. F348 | - | A240 Gr. 348 |
A182 Gr. F348H | - | A240 Gr. 348H |
Forgings | Castings | Plates |
---|---|---|
- | - | A240 Gr. 309H |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F310 | - | A240 Gr. 310H |
Forgings | Castings | Plates |
---|---|---|
A182 Gr. F44 | A351 Gr. CK3MCuN | A240 Gr. S31254 |
A182 Gr. F51 | - | A240 Gr. S31803 |
A182 Gr. F53 | - | A240 Gr. S32750 |
- | A995 Gr. CE8MN | - |
- | A995 Gr. CD4MCuN | - |
- | A995 Gr. CD3MWCuN | - |
A182 Gr. F55 | - | A240 Gr. S32760 |
Forgings | Castings | Plates |
---|---|---|
- | - | A240 Gr.309S |
- | - | A240 Gr.310S |
Forgings | Castings | Plates |
---|---|---|
- | A351 Gr. CH8 | - |
- | A351 Gr. CH20 | - |
Forgings | Castings | Plates |
---|---|---|
- | A351 Gr. CF8C | - |
Forgings | Castings | Plates |
---|---|---|
- | A351 Gr. CK20 | - |
Forgings | Castings | Plates |
---|---|---|
B462 Gr. N08020 | - | B463 Gr. N08020 |
Forgings | Castings | Plates |
---|---|---|
B564 Gr. N02200 | - | B162 Gr. N02200 |
Forgings | Castings | Plates |
---|---|---|
- | - | B162 Gr. N02201 |
Forgings | Castings | Plates |
---|---|---|
B564 Gr. N04400 | - | B127 Gr. N04400 |
Forgings | Castings | Plates |
---|---|---|
B564 Gr. N06600 | - | B168 Gr. N06600 |
Forgings | Castings | Plates |
---|---|---|
B564 Gr. N08800 | - | B409 Gr. N08800 |
Forgings | Castings | Plates |
---|---|---|
B462 Gr. N10665 | - | B333 Gr. N10665 |
B462 Gr. N10675 | - | B333 Gr. N10675 |
Forgings | Castings | Plates |
---|---|---|
B462 Gr. N10276 | - | B575 Gr. N10276 |
B564 Gr. N06625 | - | B443 Gr. N06625 |
- | - | B333 Gr. N10001 |
- | - | B434 Gr. N10003 |
- | - | B575 Gr. N06455 |
B564 Gr. N08825 | - | B424 Gr. N08825 |
B462 Gr. N06022 | - | B575 Gr. N06022 |
B462 Gr. N06200 | - | B575 Gr. N06200 |
Forgings | Castings | Plates |
---|---|---|
B572 Gr. N06022 | - | B435 Gr. N06002 |
B572 Gr. R30556 | - | B435 Gr. R30556 |
Forgings | Castings | Plates |
---|---|---|
- | - | B599 Gr. N08700 |
Forgings | Castings | Plates |
---|---|---|
A479 Gr. N08904 | - | A240 Gr. N08904 |
Forgings | Castings | Plates |
---|---|---|
- | B620 Gr. N08320 | |
- | B582 Gr. N06985 | |
B462 Gr. N08367 | A351 Gr. CN3MN | B688 Gr. N08367 |
Forgings | Castings | Plates |
---|---|---|
- | - | B582 Gr. N06975 |
B564 Gr. N08031 | - | B625 Gr. N08031 |
Forgings | Castings | Plates |
---|---|---|
- | - | B582 Gr. N06007 |
B462 Gr. N06030 | - | B582 Gr. N06030 |
B462 Gr. N06035 | - | B575 Gr. N06035 |
Forgings | Castings | Plates |
---|---|---|
B564 Gr. N08810 | - | B409 Gr. N08810 |
Forgings | Castings | Plates |
---|---|---|
B511 Gr. N08330 | - | B536 Gr. N08330 |
Forgings | Castings | Plates |
---|---|---|
- | A351 Gr. CN7M | - |
Forgings | Castings | Plates |
---|---|---|
B564 Gr. N06230 | - | B435 Gr. N06230 |