Q: Dab tsi yog qhov yuav tsum tau kuaj xyuas rau API 5L X70 welded yeeb nkab?A: API 5L X70 welded yeeb nkab yuav tsum muaj Charpy V-qhov ntsuas qhov cuam tshuam ntawm -20 ° C (rau feem ntau cov ntawv thov), nrog rau qhov cuam tshuam tsawg kawg nkaus ntawm 40 J rau txhua qhov qauv kuaj, ua kom muaj zog zoo hauv qhov kub thiab txias.
Q: Dab tsi yog qhov siab tshaj plaws phab ntsa thickness ntawm ASTM A53 Qib B welded yeeb nkab?A: ASTM A53 Qib B welded yeeb nkab muaj qhov siab tshaj plaws phab ntsa thickness ntawm 12.7 hli (0.5 nti) rau nominal diameters txog 24 ntiv tes, uas tuaj yeem hloov kho raws li cov kev xav tau tshwj xeeb.
Q: Puas tuaj yeem EN 10217-1 Qib P235GH welded yeeb nkab siv rau chav boilers?A: Yog, P235GH yog lub boiler - qib welded yeeb nkab nrog lub siab tshaj plaws kev khiav hauj lwm kub ntawm 400 ° C, haum rau qis - mus rau - nruab nrab siab chav boilers thiab tshav kub exchangers.
Q: Dab tsi yog qhov corrosion kuj ntawm API 5L X65 welded yeeb nkab?A: Standard API 5L X65 muaj qhov yooj yim corrosion kuj, tab sis rau corrosive ib puag ncig (xws li, qaub roj thiab roj, dej hiav txwv), nws yuav tsum tau kho nrog anti-corrosion coatings (xws li, 3PE txheej) los yog ua los ntawm corrosion-resistant alloys.
Q: Dab tsi yog qhov nominal siab ntsuas ntawm GB / T 3091 Q235B welded yeeb nkab?A: GB/T 3091 Q235B welded yeeb nkab muaj lub siab nominal (PN) ntawm 1.0 MPa rau 1.6 MPa, haum rau qis - rau - nruab nrab siab dej, roj, thiab lwm yam dej xa mus.
