Khoom Parameters
GB / T3639 Precision Seamless Steel Tubes
Khoom siv thiab Specification
GB/T3639 Precision Seamless Steel Tubes yog ua los ntawm cov qib siab - zoo carbon structural steel thiab alloy structural steel.
Ntsiab nta
High Precision: Ua nrog siab precision kom tau raws li cov kev cai tshwj xeeb.
Smooth Surface: Sab hauv thiab sab nrauv yog du, ua rau lawv haum rau ntau yam kev siv precision.
Uniform Phab Ntsa Thickness: Ua kom muaj kev ua haujlwm zoo ib yam thiab kev ua haujlwm zoo.
Zoo Concentricity: Muab kev txhim khu kev qha hauv cov khoom siv tshuab.
Cov khoom siv zoo heev: Lub zog muaj zog, toughness, thiab durability.
Tshuaj muaj pes tsawg leeg
| Element | C (%) | Si (%) | Mn (%) | P (%) | S (%) |
| Kev sib xyaw | 0.22-0.29 | 0.15-0.35 | 0.30-0.60 | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.025 |
Mechanical Properties
| Qib Steel | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Hardness (HB) |
| 10 | Ntau dua lossis sib npaug rau 335 | Ntau dua lossis sib npaug rau 205 | Ntau dua lossis sib npaug li 24 | Tsawg dua los yog sib npaug li 95 |
| 20 | Ntau dua lossis sib npaug rau 410 | Ntau dua lossis sib npaug li 245 | Ntau tshaj los yog sib npaug rau 20 | Tsawg dua los yog sib npaug li 105 |
| 35 | Ntau dua lossis sib npaug rau 510 | Ntau dua lossis sib npaug rau 305 | Ntau dua lossis sib npaug li 17 | Tsawg dua los yog sib npaug li 120 |
| 45 | Ntau dua lossis sib npaug li 590 | Ntau dua lossis sib npaug rau 335 | Ntau dua lossis sib npaug li 14 | Tsawg dua los yog sib npaug li 155 |
| 45mn 2 | Ntau dua lossis sib npaug li 590 | Ntau dua lossis sib npaug rau 335 | Ntau dua lossis sib npaug li 14 | Tsawg dua los yog sib npaug li 155 |
| 45mn2 wb | Ntau dua lossis sib npaug rau 610 | Ntau dua lossis sib npaug rau 365 | Ntau dua lossis sib npaug li 13 | Tsawg dua los yog sib npaug li 160 |
Lub cev muaj zog
| Khoom | Tus nqi |
| Qhov ceev (g / cm³) | 7.85 |
| Melting Point (zeeg) | 1420-1460 |
| Thermal conductivity (W / m · K) | 12.5 |
| Lub peev xwm kub tshwj xeeb (J / kg·K) | 460 |
Txheej Txheem Kev Ua Haujlwm
| Khoom | Tus nqi |
| Weldability | Zoo |
| Machineability | Zoo heev |
| Txias Khoov | Zoo |
| Kub Formability | Zoo |
| Kev kho saum npoo | Zoo |
Qib Steel
10: Sawv cev cov ntsiab lus carbon ntawm steel, 0.10%.
20: Sawv cev cov ntsiab lus carbon ntawm steel, 0.20%.
35: Sawv cev cov ntsiab lus carbon ntawm steel, 0.35%.
45: Sawv cev cov ntsiab lus carbon ntawm hlau, 0.45%.
45mn 2: Sawv cev cov ntsiab lus carbon ntawm hlau, 0.45%, thiab muaj manganese.
45mn2 wb: Sawv cev cov ntsiab lus carbon ntawm hlau, 0.45%, thiab muaj manganese thiab vanadium.
Daim ntawv thov
GB / T3639 Precision Seamless Steel Tubes yog dav siv nyob rau hauv machinery, tsheb, tsheb kauj vab, rooj tog, khoom siv, thiab lwm yam mechanical qhov chaw uas siab precision, du nto, thiab zoo heev mechanical zog yuav tsum tau.
Cov qhab nia xaiv tau
TIAB SA 2391
TS EN 10305-1
ASTM A519 Cov Lus Qhia Tshwj Xeeb
Khoom Parameters
Cim npe nrov: precision seamless steel raj, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, customized, lag luam wholesale, nqe, OEM, zeb, tsim, kev muag khoom
