Ihe gbasaraASTM A234 WPB ọkpọkọ ọkpọkọ
ASTM A234 bụ ọkọlọtọ ọkọlọtọ maka akwa ọkpọkọ nchara gụnyere carbon na alloy steel ihe maka ọrụ oke na oke okpomọkụ.Ọ na-ekpuchi akwa ígwè nke ụdị enweghị nkebi na welded.A na-etinye ihe nrụnye ígwè ígwè na pipeline nrụgide na n'ichepụta arịa nrụgide.Ngwa ndị a dabara adaba nwere igwe egburu egbu, forgings, bars, plates, enweghị nkebi ma ọ bụ HFW (fusion welded) ngwaahịa ọkpọkọ, yana igwe ndochi agbakwunyere.
Kedu ihe bụ WPB?
W = WELDABLE / emere ya
P = metụtakwara P ọnụọgụgụ ihe alloy
B = Rụtụ aka na ihe kacha nta nke ihe onwunwe
Ha dị na ntụgharị ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, na MSS-SP-97.A na-ejikwa ya n'ọtụtụ ebe na ọkpọkọ nrụgide na imepụta arịa nrụgide maka ọrụ na oke okpomọkụ na elu.Akara ule a bụ ASTM A234 WPB, WPC, WP5, WP9, WP91, WP11, WP12 na WP22.
Nkọwapụta:
Ụkpụrụ: ANSI / ASME B16.9, B16.28, MSS-SP-43.
Oke dayameta dị n'elu: 1/2" ruo 48"
Oke oke: SCH 10, sch 20, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160, SCH XXS wdg.
Ụdị ihe ndị e ji emepụta ọkpọkọ ígwè arụpụtara n'ụdị adịgboroja, eri, weld weld, na enweghị nkebi.
Ngwakọta kemịkalụ (%) nke ASTM A234
| Ọkwa | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | V | Nb |
| WPB | 0.3 | 0.29-1.06 | 0.05 | 0,058 | 0.1 nkeji | 0.4 | 0.15 | 0.4 | 0.4 | 0.08 | 0.02 |
| WPC | 0.35 | 0.29-1.06 | 0.05 | 0,058 | 0.1 nkeji | 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 | - | - | - | - |
Njirimara akụrụngwa nke ASTM A234
| Chọrọ tensile | WPB | WPC, WP11CL2 | WP11CL1 | WP11CL3 |
| Ike tensile, min, ksi[MPa] | 60-85 | 70-95 | 60-85 | 75-100 |
| (0.2% kwụsịrị ma ọ bụ 0.5% ndọtị-n'okpuru ibu) | [415-585] | [485-655] | [415-585] | [520-690] |
| Ike Mpụta, min, ksi[MPa] | 32 | 40 | 30 | 45 |
| [240] | [275] | [205] | [310] |
A234 WPB Dakọtara
| Ọkụ | Ngwakọta | Flanges | Valves | Bolts & Akụ |
| ASTM A106 Gr | 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) Nchikota nke Cu, Ni, Cr na Mo agaghị agafe 1.00%.
(2) Nchikota nke Cr na Mo agaghị agafe 0.32%.
(3) Maka mbelata ọ bụla nke 0.01% n'okpuru C max akọwapụtara, mmụba nke 0.06% Mn (4) karịa max akọwapụtara.a ga-anabata, ruo max.bụ 1.35%.
(5) Nke kachasị.ihe nhata carbon (CE) ga-abụ 0.50, dabere na nyocha okpomọkụ na (6) usoro CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
Ọdịiche dị n'etiti A105 na A234
ASTM A234 WPB Pipe Fittings bụ nke ejiri carbon ígwè arụpụtara arụ ọrụ nke na ha siri ike ma nwee ike itinye ya na oke ike chọrọ.A na-agwọkwa ASTM A234 WPB okpomọkụ wee hapụ ka ọ dị jụụ ngwa ngwa.
Carbon Steel Forged Fittings bụ ọkpọkọ ọkpọkọ emere site na ihe A105.A na-emepụta ihe ndị a na annealed, normalized, normalized na tempered ma ọ bụ menyụọ na ọnọdụ iwe.
Oge nzipu: Ọktoba 08-2021