Hoobkas Customized Tuam Tshoj Precision Seamless Welded Hlau Tube / Carbon me me qis Alloy Steel Pipe
Txheej txheem cej luam
Txhawm rau ua kom tau raws li cov neeg siv khoom txaus siab txaus siab, peb muaj peb pawg neeg ruaj khov los muab peb cov kev pabcuam zoo tshaj plaws uas suav nrog kev tshaj tawm thiab kev lag luam, cov khoom muag, tsim, tsim, zoo tswj, ntim, warehousing thiab logistics rau Seamless Welded Steel Tube / Carbon Mild Low Alloy Steel Yeeb Nkab, Peb lub hom phiaj yog "blazing pem teb tshiab, dhau tus nqi", nyob rau hauv lub tom ntej no, peb ua tsaug caw koj los twv yuav raug hu txhim kho nrog peb thiab ua kom ci ntsa iab ntev ua ke! Peb lub tuam txhab tau tsim kev lag luam ruaj khov kev sib raug zoo nrog ntau lub tuam txhab paub zoo hauv tsev nrog rau cov neeg siv khoom txawv teb chaws. Nrog lub hom phiaj ntawm kev muab cov khoom zoo thiab cov kev daws teeb meem rau cov neeg siv khoom ntawm cov cots uas tsis tshua muaj, peb tau cog lus los txhim kho nws cov peev txheej hauv kev tshawb fawb, kev tsim kho, kev tsim khoom thiab kev tswj hwm. Peb tau qhuas kom tau txais kev lees paub los ntawm peb cov neeg siv khoom. Txog tam sim no peb tau dhau ISO9001in 2005 thiab ISO / TS16949 hauv xyoo 2008. Cov lag luam ntawm "kev muaj sia nyob zoo, kev ntseeg siab ntawm kev loj hlob" rau lub hom phiaj, ua tsaug txais tos cov neeg lag luam hauv tsev thiab txawv teb chaws tuaj xyuas los tham txog kev koom tes.
ASTM A672 yog ib hom high-voltage electrofusion welded yeeb nkab qauv. Qhov kub ntawm cov ntaub ntawv teev nyob rau hauv tus qauv yog los ntawm 20 ° C mus rau -195 ° C. Yog li ntawd, tus qauv A672 feem ntau yog siv rau cov kav dej kub qis. Ntawm lawv, CC60 CL22 yog cov khoom siv hluav taws xob qis qis, uas yog ua los ntawm A516GR.60 nruab nrab thiab kub siab siab lub nkoj carbon steel daim hlau. Nws yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob welded kav. Qhov ntsuas qhov ntsuas kub yuav tsum yog -50 ° C, uas tuaj yeem hloov tau los ntawm Suav cov khoom siv Q345R. Cov tshuaj muaj pes tsawg leeg thiab mechanical zog ntawm ob yog zoo sib xws:
Qauv: CC60
C: 0.23%; Mn: 0.55% ~ 1.3%; Si: 0.13% ~ 0.45%; P: 0.025% S: 0.025
Tensile zog: 415 ~ 550Mpa
Yield zog: 220Mpa
Elongation: 21%
q345r: ua.
C: 0.22%; Mn: 1.6%; Yog ': 0.55%; P: 0.025% S: 0.025
Tensile zog: 470 ~ 630Mpa
Tawm zog: 345 Mpa
Elongation: 21%
Daim ntawv thov
Nws yog siv los ua Carbon Structural Steel, Alloy Structural Steel thiab mechanical structures.
Qib tseem ceeb
Qib Ntawm Carbon Steel Qauv: 10,20,35,45,Q345,Q460,Q490,Q620,, thiab lwm yam
Qib ntawm Alloy Structural Steel: 42CrMo, 35CrMo, thiab lwm yam
Chemical Component
| Qib Steel | Qib zoo | Tshuaj muaj pes tsawg leeg | ||||||||||||||
| C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als" | ||
| tsis muaj ntau dua | tsis tsawg dua | |||||||||||||||
| q345 ua | A | 0.20 ib | 0.50 ib | 1.70 ib | 0.035 ib | 0.035 ib | 0.30 Nws | 0.50 ib | 0.20 ib | 0.012 ib | 0.10 | —— | — | |||
| B | 0.035 ib | 0.035 ib | ||||||||||||||
| C | 0.030 Nws | 0.030 Nws | 0.07 ib | 0.15 | 0.20 ib | 0.015 ib | ||||||||||
| D | 0.18 | 0.030 Nws | 0.025 ib | |||||||||||||
| E | 0.025 ib | 0.020 ib | ||||||||||||||
| q390 ua | A | 0.20 ib | 0.50 ib | 1.70 ib | 0.035 ib | 0.035 ib | 0.07 ib | 0.20 ib | 0.20 ib | 0.3 | 0.50 ib | 0.20 ib | 0.015 ib | 0.10 | — | — |
| B | 0.035 ib | 0.035 ib | ||||||||||||||
| C | 0.030 Nws | 0.030 Nws | 0,015 ib | |||||||||||||
| D | 0.030 Nws | 0.025 ib | ||||||||||||||
| E | 0.025 ib | 0.020 ib | ||||||||||||||
| qw 42o | A | 0.20 ib | 0.50 ib | 1.70 ib | 0.035 ib | 0.035 ib | 0.07 ib | 0.2 | 0.20 ib | 0.30 Nws | 0.80 ib | 0.20 ib | 0.015 ib | 0.20 ib | —— | —— |
| B | 0.035 ib | 0.035 ib | ||||||||||||||
| C | 0.030 Nws | 0.030 Nws | 0.015 ib | |||||||||||||
| D | 0.030 Nws | 0.025 ib | ||||||||||||||
| E | 0.025 ib | 0.020 ib | ||||||||||||||
| qw 46o | C | 0.20 ib | 0.60 ib | 1.80 ib | 0.030 Nws | 0.030 Nws | 0.11 | 0.20 ib | 0.20 ib | 0.30 Nws | 0.80 ib | 0.20 ib | 0.015 ib | 0.20 ib | 0.005 ib | 0.015 ib |
| D | 0.030 Nws | 0.025 ib | ||||||||||||||
| E | 0.025 ib | 0.020 ib | ||||||||||||||
| q500 ua | C | 0j 8 | 0.60 ib | 1.80 ib | 0.025 ib | 0.020 ib | 0.11 | 0.20 ib | 0.20 ib | 0.60 ib | 0.80 ib | 0.20 ib | 0.015 ib | 0.20 ib | 0.005 ib | 0.015 ib |
| D | 0.025 ib | 0.015 ib | ||||||||||||||
| E | 0.020 ib | 0.010 ib | ||||||||||||||
| q550 ua | C | 0.18 | 0.60 ib | 2.00 Nws | 0.025 ib | 0,020 ua | 0.11 | 0.20 ib | 0.20 ib | 0.80 ib | 0.80 ib | 0.20 ib | 0.015 ib | 0.30 Nws | 0.005 ib | 0.015 ib |
| D | 0.025 ib | 0,015 ib | ||||||||||||||
| E | 0.020 ib | 0.010 ib | ||||||||||||||
| qw 62o | C | 0.18 | 0.60 ib | 2.00 Nws | 0.025 ib | 0.020 ib | 0.11 | 0.20 ib | 0.20 ib | 1.00 Nws | 0.80 ib | 0.20 ib | 0.015 ib | 0.30 Nws | 0.005 ib | 0.015 ib |
| D | 0.025 ib | 0.015 ib | ||||||||||||||
| E | 0.020 ib | 0.010 ib | ||||||||||||||
| a.Ntxiv rau Q345A thiab Q345B qib, cov hlau yuav tsum muaj tsawg kawg yog ib qho ntawm cov khoom ua kom zoo zoo Al, Nb, V, thiab Ti. Raws li kev xav tau, tus neeg muag khoom tuaj yeem ntxiv ib lossis ntau cov khoom ua kom zoo zoo. Tus nqi siab tshaj plaws yuav tsum yog raws li tau teev tseg hauv cov lus. Thaum ua ke, Nb + V + Ti tsis ntau tshaj 0.22%b. Rau Q345, Q390, Q420 thiab Q46O qib, Mo + Cr tsis ntau dua 0.30%c. Thaum Cr thiab Ni ntawm txhua qib yog siv los ua cov khoom seem, cov ntsiab lus ntawm Cr thiab Ni yuav tsum tsis txhob siab dua 0.30%; thaum nws tsim nyog ntxiv, cov ntsiab lus yuav tsum ua kom tau raws li qhov yuav tsum tau ua hauv lub rooj lossis txiav txim siab los ntawm tus neeg muag khoom thiab tus neeg yuav khoom los ntawm kev sib tham.d. Yog tias tus neeg muag khoom tuaj yeem ua kom ntseeg tau tias cov ntsiab lus nitrogen ua tau raws li qhov yuav tsum tau ua hauv lub rooj, kev tshuaj xyuas cov ntsiab lus nitrogen yuav tsis ua. Yog tias Al, Nb, V, Ti thiab lwm yam hlau alloy nrog nitrogen fixation ntxiv rau cov hlau, cov ntsiab lus nitrogen tsis txwv. Cov ntsiab lus ntawm nitrogen fixation yuav tsum tau teev nyob rau hauv daim ntawv pov thawj zoo.e. Thaum siv tag nrho txhuas, tag nrho cov ntsiab lus txhuas Alt ≥ 0020%. | ||||||||||||||||
| Qib | Carbon sib npaug CEV (mass feem) /% | |||||
| Nominal phab ntsa thickness s≤ 16mm | Nominal phab ntsa thickness S2> 16 mm ~ 30 mm | Nominal phab ntsa thickness S> 30mm | ||||
| Kub dov los yog normalized normalized | Quenching + tempering | Kub dov los yog normalized | Quenching + tempering | Kub dov los yog normalized | Quenching + tempering | |
| q345 ua | <0.45 | — | <0.47 | — | <0.48 | Ib |
| q390 ua | <0.46 | Ib | wb 0.48 | — | <0.49 | — |
| q420 ua | <0.48 | Ib | <0.50 | <0.48 | <0.52 | <0,48 |
| q460 ua | <0.53 | <0.48 | wb 0,55 | <0.50 | <0.55 | wb 0.50 |
| q500 ua | Ib | <0.48 | Ib | <0.50 | Ib | wb 0.50 |
| q550 ua | — | <0.48 | . ib | <0.50 | Ib | <0.50 |
| qw 62o | — | <0.50 | — | <0.52 | — | wb 0,52 |
| q690 ua | — | <0.50 | — | <0.52 | — | wb 0,52 |
Mechanical Property
Mechanical zog ntawm high-quality carbon steel structural steel thiab low-alloy high-strength structural steel kav
| Qib | Qib zoo | Yield zog | Tsawg tawm los zog | Elongation tom qab tawg | Impact test | |||
| Nominal phab ntsa thickness | kub | Absorb zog | ||||||
| <16 hli | > 16 hli ~ | 〉 30 mm | ||||||
| 30 mm | ||||||||
| tsis tsawg dua | tsis tsawg dua | |||||||
| 10 | — | > 335 | 205 | 195 | 185 | 24 | — | — |
| 15 | — | > 375 | 225 | 215 | 205 | 22 | — | Ib |
| 20 | —— | > 410 | 245 | 235 | 225 | 20 | — | — |
| 25 | — | > 450 | 275 | 265 | 255 | 18 | — | — |
| 35 | — | > 510 | 305 | 295 | 285 | 17 | Ib | — |
| 45 | — | 2590 ua | 335 | 325 | 315 | 14 | — | — |
| 20 Mn | —• | > 450 | 275 | 265 | 255 | 20 | — | Ib |
| 25 Mn | — | > 490 | 295 | 285 | 275 | 18 | — | — |
| q345 ua | A | 470-630 : kuv | 345 | 325 | 295 | 20 | — | Ib |
| B | 4 ~ 20 | 34 | ||||||
| C | 21 | 0 | ||||||
| D | -20 | |||||||
| E | -40 | 27 | ||||||
| qw 39o | A | 490-650 : kuv | 390 | 370 | 350 | 18 | ||
| B | 20 | 34 | ||||||
| C | 19 | 0 | ||||||
| D | -20 | |||||||
| E | -40 | 27 | ||||||
| qw 42o | A | 520-680 Nws | 420 | 400 | 380 | 18 | ||
| B | 20 | 34 | ||||||
| C | 19 | 0 | ||||||
| D | -20 | |||||||
| E | -40 | 27 | ||||||
| qw 46o | C | 550—720 | 460 | 440 | 420 | 17 | 0 | 34 |
| D | -20 | |||||||
| E | -40 | 27 | ||||||
| q500 ua | C | 610-770 Ib | 500 | 480 | 440 | 17 | 0 | 55 |
| D | -20 | 47 | ||||||
| E | -40 | 31 | ||||||
| q550 ua | C | 670-830 Nws | 550 | 530 | 490 ib | 16 | 0 | 55 |
| D | -20 | 47 | ||||||
| E | -40 | 31 | ||||||
| qw 62o | C | 710-880 Ib | 620 | 590 ua | 550 | 15 | 0 | 55 |
| D | -20 | 47 | ||||||
| E | -40 | 31 | ||||||
| q690 ua | C | 770-94 Ib. | 690 ib | 660 | 620 | 14 | 0 | 55 |
| D | -20 | 47 | ||||||
| E | -40 | 31 | ||||||
Mechanical zog ntawm alloy steel kav
| NO | Qib | Pom zoo kev kho cua sov | Tensile zog | Annealed los yog kub tempered steel yeeb nkab xa khoom mob Brinell hardness HBW | ||||||
| Quenching (normalizing) | Tempering | Yield StrengthMPa | Tensile zog MPa | Elongation tom qab tawg A% | ||||||
| kub | Coolant | Kub | Coolant | |||||||
| Thawj | Thib ob | tsis tsawg dua | tsis muaj ntau dua | |||||||
| 1 | 40mn 2 | 840 ua | Dej, roj | 540 | Dej, roj | 885 ib | 735 ib | 12 | 217 | |
| 2 | 45mn 2 | 840 ua | Dej, roj | 550 | Dej, roj | 885 ib | 735 ib | 10 | 217 | |
| 3 | 27 Sib | 9 20 | Dej | 450 | Dej, roj | 980 ua | 835 ib | 12 | 217 | |
| 4 | 40 MnBc | 850 | roj | 500 | Dej, roj | 980 ua | 785 ib | 10 | 207 | |
| 5 | 45 Mnbc | 840 ua | roj | 500 | Dej, roj | 1 030 | 835 ib | 9 | 217 | |
| 6 | 20 Mn2bc'f | 880 ua | roj | 200 | Dej, cua | 980 ua | 785 ib | 10 | 187 | |
| 7 | 20 CrdJ | 880 ua | 800 | Dej, roj | 200 | Dej, cua | 835 ib | 540 | 10 | 179 |
| 785 ib | 490 ib | 10 | 179 | |||||||
| 8 | 30 Cr | 860 ua | roj | 500 | Dej, roj | 885 ib | 685 ib | 11 | 187 | |
| 9 | 35cr ua | 860 ua | roj | 500 | Dej, roj | 930 ua | 735 ib | 11 | 207 | |
| 10 | 40 Cr | 850 | roj | 520 | Dej, roj | 980 ua | 785 ib | 9 | 207 | |
| 11 | 45cr ua | 840 ua | roj | 520 | Dej, roj | 1 030 | 835 ib | 9 | 217 | |
| 12 | 50 Cr | 8 30 | roj | 520 | Dej, roj | 1 080 | 930 ua | 9 | 229 | |
| 13 | 38cr ib | 900 | roj | 600 | Dej, roj | 980 ua | 835 ib | 12 | 255 | |
| 14 | 20CrModJ | 880 ua | Dej, roj | 500 | Dej, roj | 885 ib | 685 ib | 11 | 197 | |
| 845 ib | 635 ib | 12 | 197 | |||||||
| 15 | 35CrMo | 850 | roj | 550 | Dej, roj | 980 ua | 835 ib | 12 | 229 | |
| 16 | 42CrMo | 850 | roj | 560 | Dej, roj | 1 080 | 930 ua | 12 | 217 | |
| 17 | 38CrMoAld | 940 ua | Dej, roj | 640 | Dej, roj | 980 ua | 835 ib | 12 | 229 | |
| 930 ua | 785 ib | 14 | 229 | |||||||
| 18 | 50 CrVA | 860 ua | roj | 500 | Dej, roj | 1 275 | 1 130 | 10 | 255 | |
| 19 | 2 OCrMn | 850 | roj | 200 | Dej, cua | 930 ua | 735 ib | 10 | 187 | |
| 20 | 20CrMnSif | 880 ua | roj | 480 | Dej, roj | 785 ib | 635 ib | 12 | 207 | |
| 21 | 3OCrMnSif | 880 ua | roj | 520 | Dej, roj | 1 080 | 885 ib | 8 | 229 | |
| 980 ua | 835 ib | 10 | 229 | |||||||
| 22 | 35CrMnSiA£ | 880 ua | roj | 230 | Dej, cua | 1 620 | 9 | 229 | ||
| 23 | 20CrMnTie-f | 880 ua | 870 ib | roj | 200 | Dej, cua | 1 080 | 835 ib | 10 | 217 |
| 24 | 30CrMnTie*f | 880 ua | 850 | roj | 200 | Dej, cua | 1470 ib | 9 | 229 | |
| 25 | 12 CrNi2 | 860 ua | 780 ua | Dej, roj | 200 | Dej, cua | 785 ib | 590 ua | 12 | 207 |
| 26 | 12 CrNi3 | 860 ua | 780 ua | roj | 200 | Dej, cua | 930 ua | 685 ib | 11 | 217 |
| 27 | 12 Cr2Ni4 | 860 ua | 780 ua | roj | 200 | Dej, cua | 1 080 | 835 ib | 10 | 269 |
| 28 | 40CrNiMoA | 850 | —— | roj | 600 | Dej, cua | 980 ua | 835 ib | 12 | 269 |
| 29 | 45CrNiMoVA | 860 ua | — | roj | 460 | roj | 1470 ib | 1325 ib | 7 | 269 |
| a. Kev hloov kho qhov kub thiab txias tau teev nyob rau hauv lub rooj: quenching ± 15 ℃, tsis kub tempering ± 20 ℃, kub tempering av 50 ℃.b. Hauv kev ntsuas tensile, cov qauv transverse lossis longitudinal tuaj yeem coj mus kuaj. Nyob rau hauv cov ntaub ntawv ntawm kev tsis pom zoo, tus qauv longitudinal yog siv los ua lub hauv paus rau kev txiav txim.c. Cov hlau uas muaj boron tuaj yeem ua rau normalize ua ntej quenching, thiab qhov normalizing kub yuav tsum tsis txhob siab tshaj nws quenching kub.d. Kev xa khoom raws li cov ntaub ntawv teev tseg los ntawm tus neeg thov. Thaum tus neeg thov tsis tau teev tseg, kev xa khoom tuaj yeem ua raws li ib qho ntawm cov ntaub ntawv. e. Thawj quenching ntawm titanium hlau nrog Ming Meng tuaj yeem hloov tau los ntawm normalizing. f. Isothermal quenching ntawm 280 C ~ 320 C. g. Hauv kev ntsuas tensile, yog tias ntsuas tsis tuaj yeem ntsuas, Rp0.2 tuaj yeem ntsuas tsis yog Rel. | ||||||||||
Kev Xeem Xeem
Tshuaj muaj pes tsawg leeg:
Stretch, Hardness, Shock, Squash, dabtsi yog khoov, Ultrasonic kuaj, Eddy tam sim no, kuaj pom, leak detection, Galvanized










