ASTM A234 WPB & WPC fittings pipe kaasup elbows, tee, reducers
Komposisi Kimia ASTM A234 WPB & WPC
| unsur | eusi,% | |
| ASTM A234 WPB | ASTM A234 WPC | |
| Karbon [C] | ≤0.30 | ≤0.35 |
| Mangan [Mn] | 0.29-1.06 | 0.29-1.06 |
| Fosfor [P] | ≤0,050 | ≤0,050 |
| Walirang [S] | ≤0,058 | ≤0,058 |
| Silikon [Si] | ≥0.10 | ≥0.10 |
| Kromium [Cr] | ≤0.40 | ≤0.40 |
| Molibdenum [Mo] | ≤0.15 | ≤0.15 |
| Nikel [Ni] | ≤0.40 | ≤0.40 |
| Tambaga [Cu] | ≤0.40 | ≤0.40 |
| Vanadium [V] | ≤0.08 | ≤0.08 |
*Sarua Karbon [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] moal leuwih gede ti 0,50 jeung kudu dilaporkeun dina MTC.
Pasipatan mékanis ASTM A234 WPB & WPC
| Kelas ASTM A234 | Kakuatan Tensile, min. | Kakuatan ngahasilkeun, min. | Elongation%, min | |||
| ksi | MPa | ksi | MPa | Bujur | Transverse | |
| WPB | 60 | 415 | 35 | 240 | 22 | 14 |
| WPC | 70 | 485 | 40 | 275 | 22 | 14 |
*1.fittings pipa WPB na WPC dijieun tina pelat kudu elongation minimum 17%.
*2.Kacuali diperlukeun, nilai karasa teu perlu dilaporkeun.
Pabrikan
Kelengkapan pipa baja karbon ASTM A234 tiasa didamel tina pipa mulus, pipa las atanapi pelat ku cara ngawangun operasi mencét, piercing, extruding, bending, las fusi, machining, atanapi ku kombinasi dua atanapi langkung operasi ieu.Kabéh welds kaasup welds dina produk tubular ti mana fittings dijieunna kudu dilakukeun luyu jeung ASME Bagéan IX.Perlakuan panas pos-las dina 1100 nepi ka 1250 ° F [595 nepi ka 675 ° C] jeung pamariksaan radiographic bakal dipigawé sanggeus prosés las.