E pili anaASTM A234 WPB paipu paipu
ʻO ka ASTM A234 kahi kikoʻī maʻamau no nā paipu paipu kila e pili ana i ke kalapona a me nā mea kila kila no nā lawelawe wela a me ke kiʻekiʻe.Hoʻopili ia i nā mea kila o nā ʻano wili ʻole a welded.Hoʻohana ʻia nā mea hoʻopili Pipe Steel i nā paipu kaomi a me nā mea hana moku.ʻO kēia mau mea pono me ke kila make, forgings, bars, plates, seamless a i ʻole HFW (fusion welded) huahana paipu, me ka mea hoʻopiha metala i hoʻohui ʻia.
He aha ka WPB?
W = WELDABLE / hana ʻia
P = PILI ANA I KA HELU P O NA MEA ALOHA
B = E NANA I KA HAAWINA HEMI O NA MATERIAL
Loaʻa iā lākou ma ka loiloi hou loa o ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, a me MSS-SP-97.Hoʻohana nui ʻia i ka paipu kaomi a me ka hana ʻana i ka moku kaomi no ka lawelawe ʻana i nā mahana haʻahaʻa a kiʻekiʻe.ʻO nā māka he ASTM A234 WPB, WPC, WP5, WP9, WP91, WP11, WP12 a me WP22.
Nā kikoʻī:
Nā Kūlana: ANSI / ASME B16.9, B16.28, MSS-SP-43.
Ke Anawaena o waho: 1/2" a 48"
Mānoanoa: SCH 10, sch 20, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160, SCH XXS etc.
ʻO nā ʻano paipu kila i hana ʻia ma ka forged, threaded, butt weld, a seamless.
Ka Hui Kemika (%) o ASTM A234
| Papa | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | V | Nb |
| WPB | 0.3 | 0.29-1.06 | 0.05 | 0.058 | 0.1min | 0.4 | 0.15 | 0.4 | 0.4 | 0.08 | 0.02 |
| WPC | 0.35 | 0.29-1.06 | 0.05 | 0.058 | 0.1min | 0.4 | 0.15 | 0.4 | 0.4 | 0.08 | 0.02 |
| WP11 CL1 | 0.05-0.15 | 0.30-0.60 | 0.03 | 0.03 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | - | - | - | - |
| WP11 CL2/3 | 0.05-0.20 | 0.30-0.80 | 0.04 | 0.04 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | - | - | - | - |
Nā waiwai mīkini o ASTM A234
| Nā Koina Tensile | WPB | WPC, WP11CL2 | WP11CL1 | WP11CL3 |
| ʻO ka ikaika uʻi, min, ksi[MPa] | 60-85 | 70-95 | 60-85 | 75-100 |
| (0.2% offset a i ʻole 0.5% hoʻonui-ma lalo o ka ukana) | [415-585] | [485-655] | [415-585] | [520-690] |
| Ka ikaika hua, min, ksi[MPa] | 32 | 40 | 30 | 45 |
| [240] | [275] | [205] | [310] |
A234 WPB like
| Paipu | Nā lako | ʻO nā lehelehe | Nā pāpaʻi | Nā Bolts & Nati |
| ASTM A106 Gr A | ASTM A234 Gr WPA | ASTM A105 | ASTM A216 Gr WCB | A193 Gr B7 A194 Gr 2H |
| ASTM A106 Gr B | A234 Gr WPB | ASTM A105 | ASTM A216 Gr WCB | |
| ASTM A106 Gr C | ASTM A234 Gr WPC | ASTM A105 | ASTM A216 Gr WCB |
(1) Aole e oi aku ka huina o Cu, Ni, Cr, a me Mo i ka 1.00%.
(2) ʻAʻole ʻoi aku ka nui o Cr a me Mo ma mua o 0.32%.
(3) No kēlā me kēia hōʻemi o 0.01% ma lalo o ka C max., he piʻi o 0.06% Mn (4) ma luna o ka max.e ʻae ʻia, a hiki i ka max.o 1.35%.
(5) ʻO ka max.ʻO ke kalapona like (CE) he 0.50, ma muli o ka nānā ʻana i ka wela a me ka (6) formula CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
Ka ʻokoʻa ma waena o A105 a me A234
Hana ʻia ʻo ASTM A234 WPB Pipe Fittings i ke kila kalapona i hana ʻia a ikaika loa lākou a hiki ke hoʻohana ʻia i nā koi ikaika kiʻekiʻe.Hoʻomaʻamaʻa ʻia ka ASTM A234 WPB a laila ʻae ʻia e hoʻomaha wikiwiki.
ʻO ka Carbon Steel Forged Fittings he paipu paipu i hana ʻia mai loko mai o ka Material A105.Hoʻopukaʻia kēia mau mea i loko o ka annealed, normalized, normalized a me ka huhū a iʻole ke kinaiʻia a me nā kūlana.
Ka manawa kau: Oct-08-2021