I-ASTM A234 WPB & WPC Pity Fittings kufaka phakathi ama-elbows, tee, ama-reducers
Ukwakheka kwamakhemikhali kwe-ASTM A234 WPB & WPC
Isithako semvelo | Okuqukethwe,% | |
I-ASTM A234 WPB | I-ASTM A234 WPC | |
I-Carbon [C] | ≤0.30 | ≤0.35 |
I-Manganese [mn] | 0.29-1.06 | 0.29-1.06 |
Phosphorus [p] | ≤0.050 | ≤0.050 |
Sulfur [s] | ≤0.058 | ≤0.058 |
Silicon [si] | ≥0.10 | ≥0.10 |
Chromium [cr] | ≤0.40 | ≤0.40 |
Molybdenum [mo] | ≤0.15 | ≤0.15 |
Nickel [ni] | ≤0.40 | ≤0.40 |
I-Copper [CU] | ≤0.40 | ≤0.40 |
UVanadium [V] | ≤0.08 | ≤0.08 |
* I-carbon elilinganayo [CE = C + MN / 6 + (cr + mo + v) / 5 + (ni + cu) / 15] ngeke likhululeke ngo-0,50 futhi lizobikwa kwi-MTC.
Izakhiwo zemishini ze-ASTM A234 WPB ne-WPC
Amabanga a-ASTM A234 | Amandla ashubile, amaminithi. | Amandla okuthela, amaminithi. | I-elongation%, min | |||
KSI | I-MPA | KSI | I-MPA | Longitudinal | -Guquka | |
I-WPB | 60 | 415 | 35 | I-240 | 22 | 14 |
I-WPC | 70 | 485 | 40 | 275 | 22 | 14 |
* 1. I-WPB ne-WPC Fittings eyenziwe ngamapuleti izoba nokugcwala okungu-17%.
* 2. Ngaphandle kokuthi kudingekile, inani lembubhiso alidingi ukubikwa.
Khiqiza
I-ASTM A234 Carbon I-Pipe Pittings ingenziwa ngamapayipi angenamthungo, amapayipi we-weld Zonke ama-welds kufaka phakathi ama-welds emikhiqizweni ye-tubular lapho kwenziwa khona ukufakwa kwenziwe ngokuya nge-ASME Isigaba i-IX. Ukwelashwa okushisa okuvilaphayo ngo-1100 kuya ku-1250 ° F [595 kuya ku-675 ° C] kanye novivinyo lwe-radiographic kuzokwenziwa ngemuva kwenqubo yokufaka i-welding.