DIN 1652 St37 carbon steel yeeb nkab yog cov yeeb nkab steel siv dav siv hauv kev tsim kho thiab hauv av engineering. Cov qauv hlau yog cov hlau uas ua tau raws li qhov tshwj xeeb lub zog thiab cov qib formability.
Tshuaj muaj pes tsawg leeg St37 (%)
| Kev sib xyaw | C | P | S | N * |
|---|---|---|---|---|
| Min | - | - | - | - |
| Max | 0.2 | 0.08 | 0.05 | 0.08 |
St37 Mechanical Properties
| Thickness t mm |
Hom | Kev kho cua sov lossis kev mob | Tensile zog σb Mpa |
Yield Point σs Mpa |
Elongation ntawm tawg los yog elongation δ % |
|---|---|---|---|---|---|
| t Tsawg dua lossis sib npaug li 5 | qib 37k | Cold-draw thiab tsis-kub-kho (K) | 550~850 | Ntau dua lossis sib npaug rau 420 | Ntau dua lossis sib npaug 7 |
| 5<> | Cold-draw thiab tsis-kub-kho (K) | 500~800 | Ntau dua lossis sib npaug rau 380 | Ntau dua lossis sib npaug li 8 | |
| 10<> | Cold-draw thiab tsis-kub-kho (K) | 470~770* | Ntau dua lossis sib npaug rau 320 * | Ntau dua lossis sib npaug li 9 | |
| 16<> | Cold-draw thiab tsis-kub-kho (K) | 450~700 | Ntau dua lossis sib npaug li 290 | Ntau tshaj los yog sib npaug rau 10 | |
| 25<> | Cold-draw thiab tsis-kub-kho (K) | 450~700 | Ntau dua lossis sib npaug li 270 | Ntau tshaj los yog sib npaug 11 | |
| 40<> | Cold-draw thiab tsis-kub-kho (K) | 400~650 | Ntau dua lossis sib npaug li 240 | Ntau dua lossis sib npaug li 12 | |
| t>80 | Cold-draw thiab tsis-kub-kho (K) | raws li kev sib tham | raws li kev sib tham | raws li kev sib tham | |
| 10<> | St37 SH | Peeling thiab tsis muaj kev kho cua sov (SH) | 370~450 | Ntau dua lossis sib npaug li 240 | Ntau dua lossis sib npaug li 25 |
| 16<> | Peeling thiab tsis muaj kev kho cua sov (SH) | 370~450 | Ntau dua lossis sib npaug li 230 | Ntau dua lossis sib npaug li 25 | |
| 40<> | Peeling thiab tsis muaj kev kho cua sov (SH) | 370~450 | Ntau dua lossis sib npaug li 220 | Ntau dua lossis sib npaug li 25 | |
| t>100 | Peeling thiab tsis muaj kev kho cua sov (SH) | Ntau dua lossis sib npaug rau 370 | raws li kev sib tham | raws li kev sib tham | |
| t Tsawg dua lossis sib npaug li 25 | St37 K+G; St37 SH+G | Kev kos duab txias thiab mos annealing (K + G) lossis Peeling thiab mos annealing (SH + G) | 340~450 | Ntau dua lossis sib npaug li 200 | Ntau dua lossis sib npaug li 25 |
| 25<> | Kev kos duab txias thiab mos annealing (K + G) lossis Peeling thiab mos annealing (SH + G) | 370~450 | Ntau dua lossis sib npaug li 220 | Ntau dua lossis sib npaug li 25 | |
| t>100 | Kev kos duab txias thiab mos annealing (K + G) lossis Peeling thiab mos annealing (SH + G) | Ntau dua lossis sib npaug rau 370 | raws li kev sib tham | raws li kev sib tham | |
| t Tsawg dua los yog sib npaug rau 100 | St37 K+N; St37 SH+N | Cold-drawn thiab normalised (K + N) lossis Peeling thiab normalizing (SH + N) | 370~450 | Ntau dua lossis sib npaug li 220 | Ntau dua lossis sib npaug li 25 |
| t>100 | Cold-drawn thiab normalised (K + N) lossis Peeling thiab normalising (SH + N) | Ntau dua lossis sib npaug rau 370 | raws li kev sib tham | raws li kev sib tham |
