Cov tshuaj muaj pes tsawg leeg ntawm EN 10025-3 S355N yog ua tib zoo tswj kom muaj kev sib npaug ntawm lub zog, tawv, thiab weldability, nrog cov ntsiab lus ntawm cov pa roj carbon tsawg thiab cov hlau alloy kom txo qis kev sib tw vuam.
Hauv qab no yog cov lus piav qhia txog kev tsom xam cov ladle (kib theem) thiab cov khoom lag luam tsom (cov phaj tiav) raws li EN 10025-3:
|
Lub ntsiab |
Ladle Analysis |
Kev tshuaj xyuas khoom |
|---|---|---|
|
Cov pa roj carbon (C) |
max 0.20% |
max 0.22% |
|
Silicon (Si) |
max 0.50% |
max 0.55% |
|
Manganese (Mn) |
0.90-1.65% |
0.85-1.75% |
|
Phosphorus (P) |
max 0.030% |
max 0.035% |
|
Sulfur (S) |
max 0.025% |
max 0.030% |
|
Nitrogen (N) |
max 0.015% |
max 0.017% |
|
Aluminium (Al) |
min 0.02% (tag nrho) |
min 0.015% (tag nrho) |
|
Niobium (Nb) |
max 0.05% |
max 0.06% |
|
Vanadium (V) |
max 0.12% |
max 0.14% |
|
Titanium (Ti) |
max 0.05% |
max 0.06% |
|
Chromium (Cr) |
max 0.30% |
max 0.35% |
|
Nickel (Ni) |
max 0.50% |
max 0.55% |
|
Molybdenum (hli) |
max 0.10% |
max 0.13% |
|
Copper (Cu) |
max 0.55% |
max 0.60% |
Carbon Equivalent (CEV) yog xam li CEV=C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15. Rau EN 10025-3 S355N, CEV tsawg dua lossis sib npaug li 0.43% (txog 63 hli thickness; Tsawg dua los yog sib npaug rau 0.45% rau cov phaj tuab), ua kom zoo weldability nrog tsawg kawg ntawm kev pheej hmoo ntawm kev sib tsoo txias.
Mechanical Properties ntawm EN 10025-3 S355N
TS EN 10025-3 S355N muab cov khoom siv dag zog zoo, nrog qhov tsawg kawg nkaus tawm lub zog ntawm Ntau dua lossis sib npaug ntawm 355 MPa, lub zog tensile ntawm 470-630 MPa, thiab elongation Ntau dua lossis sib npaug li 22%. Nws ua tiav cov kev cuam tshuam kev ruaj ntseg ntawm Kev Tshaj Tawm los yog sib npaug ntawm 27 J ntawm -20℃(Charpy V-notch, longitudinal).
Cov khoom sib txawv ntawm thickness; xa mus rau lub rooj hauv qab no:
|
Thickness (hli) |
Yield zog (min, MPa) |
Tensile zog (MPa) |
Elongation (min,%) |
Lub zog cuam tshuam (min, J @ -20 degree, Longitudinal) |
|---|---|---|---|---|
|
Tsawg dua los yog sib npaug li 16 |
355 |
470-630 |
22 |
27 |
|
16<> |
345 |
470-630 |
22 |
27 |
|
40<> |
335 |
470-630 |
22 |
27 |
|
63<> |
325 |
470-630 |
21 |
27 |
|
80<> |
305 |
470-630 |
21 |
27 |
|
100<> |
285 |
450-610 |
21 |
27 |
|
150<> |
275 |
450-610 |
21 |
27 |
|
200<> |
265 |
450-610 |
21 |
27 |
Cov cwj pwm no ua rau nws haum rau cov kev xav tau ntawm cov qauv tsim.
Qib sib npaug ntawm EN 10025-3 S355N yog dab tsi?
EN 10025-3 S355N ua raws li cov qauv thoob ntiaj teb, tab sis qhov sib npaug sib npaug sib txawv:
|
Txuj |
Sib npaug Steel Qib |
|---|---|
|
EN (Thermo{0}}mechanical) |
S355M |
|
EN normalized + qis temp |
S355 NL |
|
DIN |
STE 355 / TSO 355 |
|
AFNOR (Fabkis) |
E 36-3 |
|
BS (UK) |
50 D |
|
UNI (Ltalis) |
Fe E 355 KNR |
|
GB (Tuam Tshoj) |
Q345D |
|
ASTM / ASME Cov |
A572 Qib 60 (kwv yees) |
Txhawm rau txhim kho kev ua haujlwm txias txias, saib EN 10025-3 S355NL normalized structural steel phaj.
Cim npe nrov: EN10025-3 S355n steel phaj, Tuam Tshoj en10025-3 s355n steel phaj manufacturers, lwm tus neeg, Hoobkas
