Chemical Thiab Mechanical Properties Of SA213 T91 Steel Pipe
Nov 14, 2024
T91 steel yeeb nkab, feem ntau yog tsim cov khoom siv rau cov kav dej me me, feem ntau yog siv hauv boilers, superheaters thiab kub exchangers.
Cov qib hlau sib npaug rau T91 steel hauv txhua lub tebchaws
| Tebchaws Meskas | German | Nyiv | Fabkis | Tuam Tshoj |
| SA-213 T91 | X10CrMoVNNb91 | HWM 95 | TIAB SA 10CDVNb0901 | 10Cr9Mo1VNbN |
T91 Boiler Pipe tshuaj muaj pes tsawg leeg
| C | Mn | P | S | Si | Cr | Mo | Ni | V | Nb | N | AI |
| 0.07- 0.14 |
0.30- 0.60 |
Tsawg dua los yog sib npaug 0.020 |
Tsawg dua lossis sib npaug rau 0.010 | 0.20- 0.50 |
8.00- 9.50 |
0.85- 1.05 |
Tsawg dua lossis sib npaug rau 0.40 | 0.18- 0.25 |
0.06- 0.10 |
0.030- 0.070 |
Tsawg dua lossis sib npaug rau 0.020 |
T91 Heat Exchanger Tube Mechanical Properties
T91 billet tom qab kev kho cua sov kawg rau normalizing + kub tempering, nrog rau chav tsev kub tensile zog Ntau tshaj los yog sib npaug rau 585 MPa, chav tsev kub yield zog siab tshaj los yog sib npaug rau 415 MPa, hardness tsawg dua los yog sib npaug rau 250 HB, elongation (50 hli qhov sib nrug ntawm tus qauv voj voog) Ntau dua lossis sib npaug li 20%, qhov tso cai rau kev ntxhov siab tus nqi [σ] 650 degree=30 MPa.
Kev kho cua sov txheej txheem: normalizing kub ntawm 1040 degree, tuav lub sij hawm tsis pub tsawg tshaj 10 min, tempering kub ntawm 730 ~ 780 degree, tuav lub sij hawm tsis tsawg tshaj li 1h.
