Ħarsa ġenerali lejn il-pajp tal-istainless steel ASTM A312
Grad ASTM A312 ikopri grad standard tal-pajp tal-istainless steel. Il-pajp ASTM A312 għandu elementi ta 'liga bħal kromju, nikil, ram, molibdenu, eċċ, li jagħtihom tolleranza u reżistenza eċċellenti għal midja korrużiva u ossidattiva f'sett ta' setup indotta mill-istress. Il-grad versatili jkopri bla xkiel, firxa ta 'azzar tal-istainless steel austenitic iwweldjat bil-kesħa u moduli tal-pajpijiet tal-weldjatura dritta. Il-pajp ASTM A312 Skeda 40 huwa maħsub għall-użu f'temperaturi għoljin u huwa komunement meqjus f'sistemi ta 'pressjoni moderata. Il-pajp Sch 40 huwa skeda komuni li dan il-pajp huwa disponibbli fl-industrija. Il-pajp ASME SA12 huwa grad tal-pajp tal-bastiment taħt pressjoni ddisinjat għal pressjoni elevata u setups tat-temperatura. Dawn il-moduli għandhom saħħa tajba u faċilment ma jgħawġux jew jgħawġu fi kwalunkwe ċirkostanza.
ASTM A312 Speċifikazzjonijiet tal-pajp tal-istainless steel bla xkiel
Stainless Steel Pipe Pupe / Tube | ||
Grad tal-azzar | 201, 202, 301, 302, 303, 304, 304L, 304H, 309, 309s, 310S, 316, 316L, 317L, 321409L, 410, 410S, 420, 420J1, 420J2, 430, 444, 441,904L, 2205, 2507, 2101, 2520, 2304, 254SMO, 253MA, F55 | |
Standard | ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296 | |
Wiċċ | Illustrar, ttremprar, pickling, qawwi, linja tax-xagħar, mera, matte | |
Tip | Irrumblat sħun, irrumblat kiesaħ | |
Pajp / tubu tond tal-istainless steel | ||
Daqs | Ħxuna tal-ħajt | 1mm-150mm (Sch10-XXs) |
Dijametru ta 'barra | 6mm-2500mm (3/8 "-100") | |
Pajp / tubu kwadru tal-istainless steel | ||
Daqs | Ħxuna tal-ħajt | 1mm-150mm (Sch10-XXs) |
Dijametru ta 'barra | 4mm * 4mm-800mm * 800mm | |
Pajp / tubu rettangolari tal-istainless steel | ||
Daqs | Ħxuna tal-ħajt | 1mm-150mm (Sch10-XXs) |
Dijametru ta 'barra | 6mm-2500mm (3/8 "-100") | |
Tul | 4000mm, 5800mm, 6000mm, 12000mm, jew kif meħtieġ. | |
Termini tal-Kummerċ | Termini tal-prezz | FOB, CIF, CFR, CNF, EXW |
Termini ta 'ħlas | T / T, L / C, Western Union, Paypal, DP, DA | |
Ħin tal-kunsinna | 10-15-il ġurnata | |
Esporta lejn | L-Irlanda, Singapor, l-Indoneżja, l-Ukrajna, Saudiarabia, Spanja, il-Kanada, l-Istati Uniti, il-Brażil, it-Tajlandja, il-Korea, l-Italja, l-Indja, l-Eġittu, l-Oman, il-Malasja, il-Kuwajt, il-Kanada, il-Vjetnam, il-Peru, il-Messiku, il-Messiku, Dubai, ir-Russja, eċċ | |
Pakkett | Pakkett standard ta 'l-esportazzjoni ta' l-alka, jew kif meħtieġ. | |
Daqs tal-kontenitur | 20ft GP: 5898mm (tul) x2352mm (wisa ') x2393mm (għoli) 24-26CBM40FT GP: 12032mm (tul) x2352mm (wisa') x2393mm (għoli) 54CBM40ft HC: 12032mm (tul) x2352mm (wisa ') x2698mm (għoli) 68cbm |
Tipi ta 'Manifattura tal-Pajpijiet ASTM A312
L-pajp bla saldatura (SMLS): Ikopri pajp jew tubu bla xkiel tal-istainless steel fit-tidwir sħun jew imfassal kiesaħ.
L-pajp iwweldjat (wld): iwweldjat minn proċess ta 'wweldjar awtomatiku li ma jżidx il-metall mili meta jkun iwweldjar.
L-pajp maħdum kiesaħ (pajp HCW): il-pajp imħadem bil-kesħa tqil li japplika xogħol kiesaħ ta 'mhux inqas minn 35% tnaqqis fil-ħxuna taż-żewġ ħajt, u wweldjat mal-pajp iwweldjat qabel l-ittemprar finali. Tużax fillers waqt l-iwweldjar.
L-iwweldjat u l-pajp HCW: pajp iwweldjat u pajp HCW ta '14 u iżgħar minn NPS 14 għandu jkollhom weldjatura lonġitudinali waħda. Wara l-approvazzjoni mix-xerrej, il-pajp iwweldjat u l-pajp HCW b'NPS ikbar minn NPS 14 għandu jkollhom weldjatura lonġitudinali waħda jew għandhom jiġu manifatturati billi jiffurmaw u jwweldjaw żewġ sezzjonijiet lonġitudinali ta 'stokk ċatt. Allura kull weldjaturi għandhom jiġu ttestjati, spezzjonati, spezzjonati jew trattati.
Kompożizzjoni kimika ASTM A312
Gradi | Uns | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
TP304 | S3040 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-11.0 | ||||
TP304L | S30403 | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-13.0 | ||||
TP304H | S30409 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-11.0 | ||||
TP304N | S30451 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-18.0 | 0.10-0.16 | |||
TP304LN | S30453 | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-12.0 | 0.10-0.16 | |||
TP309S | S30908 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 22.0-24.0 | 12.0-15.0 | 0.75 | |||
TP309H | S30909 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 22.0-24.0 | 12.0-15.0 | ||||
TP309CB | S30940 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 22.0-24.0 | 12.0-16.0 | 0.75 | 10xc min 1.10 Max | ||
TP309HCB | S30941 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 22.0-24.0 | 12.0-16.0 | 0.75 | 10xc min 1.10 Max | ||
TP310s | S3108 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 24.0-26.0 | 19.0-22.0 | 0.75 | |||
TP310H | S3109 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 24.0-26.0 | 19.0-22.0 | ||||
TP310CB | S31040 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 24.0-26.0 | 19.0-22.0 | 0.75 | 10xc min 1.10 Max | ||
TP310HCB | S31041 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 24.0-26.0 | 19.0-22.0 | 0.75 | 10xc min 1.10 Max | ||
TP316 | S3160 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 | |||
TP316L | S31603 | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | |||
TP316H | S31609 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 | |||
TP316ti | S31635 | 0.08 | 2.0 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 5x (NM) -0.70 | 0.10 | |
TP316N | S31651 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | 0.10-0.16 | ||
TP316LN | S31653 | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 | 0.10-0.16 | ||
TP317 | S3170 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 10.0-14.0 | 3.0-4.0 | |||
TP317L | S31703 | 0.035 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 | |||
TP321 | S3210 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-12.0 | 0.10 | |||
TP321H | S32109 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-12.0 | 0.10 | |||
TP347 | S3470 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-13.0 | ||||
TP347H | S34709 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-13.0 | ||||
TP347LN | S34751 | 0.05-0.02 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-13.0 | 0.20- 50.0 | 0.06-0.10 | ||
TP348 | S3480 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-13.0 | ||||
TP348H | S34809 | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-13.0 |
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ASTM A312 Ittestjar u spezzjoni tal-pajpijiet iwweldjati
l Determinazzjonijiet tad-Daqs tal-Qamħ
L Eżami Grafiku tar-Radju
l Idro-test elettriku statiku jew mhux distruttiv
l Test tal-korrużjoni inter granulari
l Testijiet ta 'tħassir tal-weldjatura
L-Test ta 'tħassir tal-weldjatura
l Test tat-tensjoni trasversali jew lonġitudinali
l-Iċċattjar tat-Test
l Testijiet mekkaniċi