Seamless steel raj rau thee mining- GB / T 17396-2009
Txheem:GB/T 17396-2009 | Kev kho cua sov: Tempering |
Qib: 20, 35, 45, thiab lwm yam | Sab nraud txoj kab uas hla (Round): 10 - 1000 mm |
Tshooj Shape: Round | Daim ntawv thov: seamless yeeb nkab rau hydraulic prop |
Qhov chaw Keeb Kwm: Suav teb | Kev kho deg: Raws li cov neeg siv khoom xav tau |
Thickness: 1-100 hli | Cov txheej txheem: Kub Rolled |
Length: Tsau Length lossis Random Length | Cov yeeb nkab tshwj xeeb: Cov yeeb nkab phab ntsa tuab |
Ntawv pov thawj: ISO9001: 2008 | Siv: seamless yeeb nkab rau hydraulic prop |
Alloy los yog Tsis: Alloy | Test: NDT |
Seamless steel yeeb nkab rau thee mine yog tsuas yog siv los tsim seamless yeeb nkab rau hydraulic prop hauv thee mine.
Qib ntawm high-zoo carbon structural steel: 20 #,35 #
C | Si | Mn | Nb | RE | Cr | Ni | Cu | Mo | P | S | |
20 | 0.17-0.23 dr hab | 0.17-0.37 Nws | 0.35-0.65 Nws | Ib | Ib | <0. 25 | <0. 25 | <0. 20 | Ib | <0. 035 ua | <0. 035 ua |
35 | 0.32-0.39 Nws | 0.17—0. 37 | 0.50 ib 0.8 | Ib | Ib | <0. 25 | <0. 25 | <0. 20 | Ib | <0. 035 ua | <0. 035 ua |
45 | 0.42-0.50 Nws | 0.17 ib 0. 37 | 0.50 ib 0.8 | Ib | Ib | <0. 25 | WO. 25 | WO. 20 | Ib | <0. 035 ua | <0. 035 ua |
27 Sib | 0.24-0.32 Nws | 1.10 Ib 1.4 | 1.10 Ib 1.4 | Ib | Ib | W 0. 30 | <0.30 | <0. 20 | <0.15 | <0. 035 ua | <0. 035 ua |
30 MnNbREa | 0.27-0.36 Nws | 0.20 ib 0. 60 | 1.20 Ib. 60 | 0.020 ib. 050 ua | 0.02 ib. 04 ib | <0.30 | <0.30 | <0. 20 | <0.15 | <0. 035 ua | <0. 035 ua |
a Cov ntsiab lus ntawm re yog xam raws li 0.02% ~ 0.04% ntxiv rau cov hlau molten. |
Mechanical Property | |||||||
Qib | Tensile zog | Yield | Ntev tom qab tawg | Kev txo qis ntawm cheeb tsam | Shork absorption zog (KV2) / J | ||
Rm/MPa | MPa | A/% | Z/% | ||||
Hlau raj phab ntsa thickness / hli | |||||||
<16 | > 16-30 | > 30 | |||||
tsis muaj tsawg dua | |||||||
20 | 410 | 245 | 235 | 225 | 20 | — | |
35 | 510 | 305 | 295 | 285 | 17 | — | — |
45 | 590 ua | 335 | 325 | 315 | 14 | — | — |
27 Sib | 980 ua | 835 ib | 12 | 40 | 39 | ||
30 MnNbRE | 850 | 7 20 | 13 | 45 | 48 |
Ntxiv nrog rau kev ua kom ntseeg tau cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab, cov yeeb nkab steel ncaj qha dov nrog ingot yuav tsum raug kuaj xyuas qis zog.
Muaj peev xwm muab khoom: 2000 Tons Ib Hlis Ib Qib ntawm Seamless steel raj rau cov thee mining.
Nyob rau hauv Bundles Thiab Nyob rau hauv lub zog ntoo thawv
7-14 hnub yog nyob rau hauv Tshuag, 30-45 hnub los tsim
30% tso nyiaj, 70% L / C lossis B / L daim ntawv lossis 100% L / C thaum pom
Sau koj cov lus ntawm no thiab xa tuaj rau peb