OEM Tsieina Tsieina ASTM A312 TP304 Smls Pipe 16in 316 Tiwb Dur Di-staen
oherwydd cymorth gwych, amrywiaeth o nwyddau o ansawdd uchel, cyfraddau ymosodol a darpariaeth effeithlon, rydym yn caru poblogrwydd da iawn ymhlith ein cwsmeriaid.Rydym yn gwmni egnïol gyda marchnad eang ar gyfer OEM Tsieina Tsieina ASTM A312 TP304 Smls Pipe 16in 316 Tiwb Dur Di-staen, Ar gyfer unrhyw un sydd â diddordeb mewn unrhyw un o'n heitemau neu os hoffech siarad am orchymyn arferol, dylech ddod i deimlo'n rhad ac am ddim i gysylltu â ni.Rydym wedi bod yn edrych ymlaen at ffurfio perthnasoedd menter busnes llwyddiannus gyda phrynwyr newydd ledled y byd o fewn yr agos at botensial.
oherwydd cymorth gwych, amrywiaeth o nwyddau o ansawdd uchel, cyfraddau ymosodol a darpariaeth effeithlon, rydym yn caru poblogrwydd da iawn ymhlith ein cwsmeriaid.Rydym yn gwmni egnïol gyda marchnad eang ar gyferTsieina Pipe Dur Di-staen, Pibell Ss, Maent yn modelu cadarn ac yn hyrwyddo'n effeithiol ledled y byd.Peidiwch byth â diflannu swyddogaethau mawr o fewn amser cyflym, mae'n rhaid i chi o ansawdd da gwych.Dan arweiniad yr egwyddor “Darbodaeth, Effeithlonrwydd, Undeb ac Arloesi.y gorfforaeth.ake ymdrechion rhagorol i ehangu ei fasnach ryngwladol, codi ei sefydliad.rofit a chodi ei raddfa allforio.Rydym yn hyderus ein bod yn mynd i gael rhagolygon disglair ac i gael eu dosbarthu ar draws y byd yn y blynyddoedd i ddod.
DIN Dur Di-staen 430 Pibell Wedi'i Weldio
Cyflenwyr pibellau weldio ASTM A312, Gwneuthurwr Pibellau Wedi'u Weldio Dur Di-staen, Deiliad Stoc Pibellau ERW Dur Di-staen, Allforiwr Pibellau SS ERW Yn Tsieina.
Mae pibellau ERW i'w cael mewn ystod eang o gymwysiadau megis mewn cymwysiadau Petrocemegol, Cemegol, Olew a Nwy, Purfa, Gwrtaith, Modurol, Gan, Pŵer, Mecanyddol Strwythurol.
Rydym yn darparu'r pibellau weldio hyn mewn gwahanol raddau, trwch a meintiau yn unol ag anghenion wedi'u teilwra a roddir gan ein cwsmeriaid.
Cynhyrchion coil dur di-staen:
tiwb coil dur di-staen
coil tiwb dur di-staen
tiwbiau coil dur di-staen
pibell coil dur di-staen
cyflenwyr tiwb coil dur di-staen
gweithgynhyrchwyr tiwb coil dur di-staen
coil bibell dur di-staen
Mathau o Pibellau Wedi'u Weldio Dur Di-staen
· Pibell wedi'i weldio â dur di-staen · Pibellau Weldiedig AISI SS
· Pibell Dur Di-staen DIN wedi'i Weldio · Pibellau ASME SS ERW
· Pibellau ERW Dur Di-staen · Pibellau Dur Wedi'u Weldio
· Pibellau SS ERW · Pibell Wedi'i Weldio Dur Di-staen ASTM A312
Manyleb Pibell Wedi'i Weldio DIN Dur Di-staen 430:
Eitem:pibell sgleinio weldio dur di-staen
Math: Wedi'i Weldio, EFW, ERW
Safon:JIS DIN GOST ASTM A312 / ASTM SA312 A SAFONAU RHYNGWLADOL ERAILL
Gradd:201,202, 304,304L,316,316L,409,430, ac ati
Maint:
Pibell gron: OD 8-219mm
Pibell Sgwâr: OD 10x10mm -150x150mm
Pibell petryal: 10x20mm i 120x180mm
Trwch:0.2-12.7.0mm
Arwyneb y bibell:180G, 320G, 400G, 500G, 600G, Satin, llinell wallt, 2B, BA, drych, 8K
Hyd pibell:5.8m 6M 11.85M 12m
Diwedd :Diwedd Plaen, Diwedd Beveled
Priodweddau ffisegol pibell sgleinio dur di-staen:
Gradd | Cyfansoddiad, % | ||||||||||||||
carbon, | Manga- | Ffos- | sylffwr, | silicon, | Nicel | Cromiwm | Molybdenwm | Titaniwm | Columbium + Tantalwm | ||||||
Austenitig | |||||||||||||||
MT-301 | 0.15 | 2.00 | 0. 040 | 0.030 | 1.00 | 6.0–8.0 | 16.0–18.0 | … | … | … | |||||
MT-302 | 0.15 | 2.00 | 0. 040 | 0.030 | 1.00 | 8.0–10.0 | 17.0–19.0 | … | … | … | |||||
MT-304 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 8.0–11.0 | 18.0–20.0 | … | … | … | |||||
MT-304L | 0.035A | 2.00 | 0. 040 | 0.030 | 1.00 | 8.0–13.0 | 18.0–20.0 | … | … | … | |||||
MT-305 | 0.12 | 2.00 | 0. 040 | 0.030 | 1.00 | 10.0–13.0 | 17.0–19.0 | … | … | … | |||||
MT-309S | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 12.0–15.0 | 22.0–24.0 | … | … | ... | |||||
MT-309S-Cb | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 12.0–15.0 | 22.0–24.0 | … | … | B | |||||
MT-310S | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 19.0–22.0 | 24.0–26.0 | … | … | … | |||||
MT-316 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 10.0–14.0 | 16.0–18.0 | 2.0–3.0 | … | … | |||||
MT-316L | 0.035A | 2.00 | 0. 040 | 0.030 | 1.00 | 10.0–15.0 | 16.0–18.0 | 2.0–3.0 | … | … | |||||
MT-317 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 11.0–14.0 | 18.0–20.0 | 3.0–4.0 | … | … | |||||
MT-321 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 9.0–13.0 | 17.0–20.0 | … | C | … | |||||
MT-330 | 0.15 | 2.00 | 0. 040 | 0.030 | 1.00 | 33.0–36.0 | 14.0–16.0 | … | … | … | |||||
MT-347 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 9.0–13.0 | 17.0–20.0 | … | … | B | |||||
fferitig | |||||||||||||||
MT-429 | 0.12 | 1.00 | 0. 040 | 0.030 | 1.00 | 0.50 uchafswm | 14.0–16.0 | … | … | … | |||||
MT-430 | 0.12 | 1.00 | 0. 040 | 0.030 | 1.00 | 0.50 uchafswm | 16.0–18.0 | … | … | … | |||||
MT-430-Ti | 0.10 | 1.00 | 0. 040 | 0.030 | 1.00 | 0.075 uchafswm | 16.0–19.5 | … | 5 × C mun, | … | |||||
0.75 uchafswm |
Cais:
Defnydd 1.Decoration (ffordd, canllaw pont, rheilen, arhosfan bws, maes awyr a champfa
2.Construction ac addurn
Ardal 3.Diwydiant (petroliwm, bwyd, cemegol, papur, gwrtaith, ffabrig, hedfan a niwclear
Os ydych chi eisiau gwybod mwy o fanylion am y bibell / tiwb dur di-staen, cysylltwch â ni.
Tiwb dur sgwâr (mm) | Tiwb Dur hirsgwar (mm) | Tiwb Dur crwn (mm) |
10×10×0.6~3.0 | 10×20×0.6~3.0 | 6×0.6 ~ 1.0 |
15×15×0.6~3.0 | 20×30×0.6~3.0 | 12×0.6 ~ 1.5 |
20×20×0.6~3.0 | 20×40×0.6~3.0 | 13×0.6 ~ 1.5 |
25×25×0.6~3.0 | 25×50×0.6~3.5 | 16×0.6 ~ 2.0 |
30×30×0.6~3.5 | 30×50×0.6~3.5 | 19×0.6~3.0 |
40×40×0.6~3.5 | 40×60×0.6~3.5 | 20×0.6 ~ 3.0 |
50×50×0.6~3.5 | 40×80×0.6~3.5 | 22×0.6~3.0 |
60×60×0.6~3.5 | 60×80×1.0~6.0 | 25×0.6~3.0 |
70×70×0.6~3.5 | 50×100×1.0~6.0 | 27×0.6~3.0 |
75×75×0.6~3.5 | 60×120×1.0~6.0 | 32×0.6~3.0 |
80×80×1.0~6.0 | 80×120×2.0~8.0 | 40×0.6~3.5 |
100×100×2.0~8.0 | 80×160×2.0~8.0 | 38×0.6~3.0 |
120×120×2.0~8.0 | 100×150×2.0~8.0 | 48×0.6~3.5 |
150×150×2.0~8.0 | 100×200×2.0~8.0 | 60×0.6~3.5 |
200×200×4.0~16.0 | 150×250×4.0~12.0 | 76×0.6~3.5 |
250×250×4.0~16.0 | 200×300×4.0~16.0 | 89×1.0~6.0 |
300×300×4.0~16.0 | 300×400×4.0~16.0 | 104×1.0 ~ 6.0 |
400×400×4.0~16.0 | 300×500×4.0~16.0 | 114×1.0 ~ 6.0 |
Priodweddau ffisegol pibell sgleinio dur di-staen:
Gradd | Cyfansoddiad, % | |||||||||
carbon, | Manga- | Ffos- | sylffwr, | silicon, | Nicel | Cromiwm | Molybdenwm | Titaniwm | Columbium + Tantalwm | |
Austenitig | ||||||||||
301 | 0.15 | 2.00 | 0. 040 | 0.030 | 1.00 | 6.0–8.0 | 16.0–18.0 | … | … | … |
302 | 0.15 | 2.00 | 0. 040 | 0.030 | 1.00 | 8.0–10.0 | 17.0–19.0 | … | … | … |
304 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 8.0–11.0 | 18.0–20.0 | … | … | … |
304L | 0.035A | 2.00 | 0. 040 | 0.030 | 1.00 | 8.0–13.0 | 18.0–20.0 | … | … | … |
305 | 0.12 | 2.00 | 0. 040 | 0.030 | 1.00 | 10.0–13.0 | 17.0–19.0 | … | … | … |
309S | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 12.0–15.0 | 22.0–24.0 | … | … | ... |
309S-Cb | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 12.0–15.0 | 22.0–24.0 | … | … | B |
310S | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 19.0–22.0 | 24.0–26.0 | … | … | … |
316 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 10.0–14.0 | 16.0–18.0 | 2.0–3.0 | … | … |
316L | 0.035A | 2.00 | 0. 040 | 0.030 | 1.00 | 10.0–15.0 | 16.0–18.0 | 2.0–3.0 | … | … |
317 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 11.0–14.0 | 18.0–20.0 | 3.0–4.0 | … | … |
321 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 9.0–13.0 | 17.0–20.0 | … | C | … |
330 | 0.15 | 2.00 | 0. 040 | 0.030 | 1.00 | 33.0–36.0 | 14.0–16.0 | … | … | … |
347 | 0.08 | 2.00 | 0. 040 | 0.030 | 1.00 | 9.0–13.0 | 17.0–20.0 | … | … | B |
429 | 0.12 | 1.00 | 0. 040 | 0.030 | 1.00 | 0.50 uchafswm | 14.0–16.0 | … | … | … |
430 | 0.12 | 1.00 | 0. 040 | 0.030 | 1.00 | 0.50 uchafswm | 16.0–18.0 | … | … | … |
430-Ti | 0.10 | 1.00 | 0. 040 | 0.030 | 1.00 | 0.075 uchafswm | 16.0–19.5 | … | 5 × C mun, | … |
0.75 uchafswm |
▼Tiwbiau torchog dur di-staen / tiwbiau wedi'u torchi gradd deunydd:
UDA | ALMAEN | ALMAEN | FFRAINC | JAPAN | EIDAL | SWEDEN | DU | UE | SBAEN | RWSIA |
AISI | DIN 17006 | WN 17007 | AFNOR | JIS | UNI | SIS | BSI | EURONORM | ||
201 | SUS 201 | |||||||||
301 | X 12 CrNi 17 7 | 1. 4310 | Z 12 CN 17-07 | SUS 301 | X 12 CrNi 1707 | 23 31 | 301S21 | X 12 CrNi 17 7 | X 12 CrNi 17-07 | |
302 | X 5 CrNi 18 7 | 1.4319 | Z 10 CN 18-09 | SUS 302 | X 10 CrNi 1809 | 23 31 | 302S25 | X 10 CrNi 18 9 | X 10 CrNi 18-09 | 12KH18N9 |
303 | X 10 CrNiS 18 9 | 1. 4305 | Z 10 CNF 18-09 | SUS 303 | X 10 CrNiS 1809 | 23 46 | 303S21 | X 10 CrNiS 18 9 | X 10 CrNiS 18-09 | |
303 Se | Z 10 CNF 18-09 | SUS 303 Se | X 10 CrNiS 1809 | 303S41 | X 10 CrNiS 18-09 | 12KH18N10E | ||||
304 | X 5 CrNi 18 10 X 5 CrNi 18 12 | 1. 4301 1. 4303 | Z 6 CN 18-09 | SUS 304 | X 5 CrNi 1810 | 23 32 | 304S15 304S16 | X 6 CrNi 18 10 | X 6 CrNi 19-10 | 08KH18N10 06KH18N11 |
304 Rh | SUS 304N1 | X 5 CrNiN 1810 | ||||||||
304 H | SUS F 304H | X 8 CrNi 1910 | X 6 CrNi 19-10 | |||||||
304 L | X 2 CrNi 18 11 | 1. 4306 | Z 2 CN 18-10 | SUS 304L | X 2 CrNi 1911 | 23 52 | 304S11 | X 3 CrNi 18 10 | X 2 CrNi 19-10 | 03KH18N11 |
X 2 CrNiN 18 10 | 1.4311 | Z 2 CN 18-10-Az | SUS 304LN | X 2 CrNiN 1811 | 23 71 | |||||
305 | Z 8 CN 18-12 | SUS 305 | X 8 CrNi 1812 | 23 33 | 305S19 | X 8 CrNi 18 12 | X 8 CrNi 18-12 | |||
Z 6 CNU 18-10 | SUS XM7 | X 6 CrNiCu 18 10 4 Kd | ||||||||
309 | X 15 CrNiS 20 12 | 1.4828 | Z 15 CN 24-13 | SUH 309 | X 16 CrNi 2314 | 309S24 | X 15 CrNi 23 13 | |||
309 S | SUS 309S | X 6 CrNi 2314 | X 6 CrNi 22 13 | |||||||
310 | X 12 CrNi 25 21 | 1.4845 | SUH 310 | X 22 CrNi 2520 | 310S24 | 20KH23N18 | ||||
310 S | X 12 CrNi 25 20 | 1.4842 | Z 12 CN 25-20 | SUS 310S | X 5 CrNi 2520 | 23 61 | X 6 CrNi 25 20 | 10KH23N18 | ||
314 | X 15 CrNiSi 25 20 | 1.4841 | Z 12 CNC 25-20 | X 16 CrNiSi 2520 | X 15 CrNiSi 25 20 | 20KH25N20S2 | ||||
316 | X 5 CrNiMo 17 12 2 | 1. 4401 | Z 6 CND 17-11 | SUS 316 | X 5 CrNiMo 1712 | 23 47 | 316S31 | X 6 CrNiMo 17 12 2 | X 6 CrNiMo 17-12-03 | |
316 | X 5 CrNiMo 17 13 3 | 1.4436 | Z 6 CND 17-12 | SUS 316 | X 5 CrNiMo 1713 | 23 43 | 316S33 | X 6 CrNiMo 17 13 3 | X 6 CrNiMo 17-12-03 | |
316 Dd | X 12 CrNiMoS 18 11 | 1.4427 | ||||||||
316 Rh | SUS 316N | |||||||||
316 H | SUS F 316H | X 8 CrNiMo 1712 | X 5 CrNiMo 17-12 | |||||||
316 H | X 8 CrNiMo 1713 | X 6 CrNiMo 17-12-03 | ||||||||
316 L | X 2 CrNiMo 17 13 2 | 1. 4404 | Z 2 CND 17-12 | SUS 316L | X 2 CrNiMo 1712 | 23 48 | 316S11 | X 3 CrNiMo 17 12 2 | X 2 CrNiMo 17-12-03 | 03KH17N14M2 |
X 2 CRNiMoN 17 12 2 | 1. 4406 | Z 2 CND 17-12-Az | SUS 316LN | X 2 CRNiMoN 1712 | ||||||
316 L | X 2 CrNiMo 18 14 3 | 1.4435 | Z 2 CND 17-13 | X 2 CrNiMo 1713 | 23 53 | 316S13 | X 3 CrNiMo 17 13 3 | X 2 CrNiMo 17-12-03 | 03KH16N15M3 | |
X 2 CRNiMoN 17 13 3 | 1.4429 | Z 2 CND 17-13-Az | X 2 CRNiMoN 1713 | 23 75 | ||||||
X 6 CrNiMoTi 17 12 2 | 1.4571 | Z6 CNDT 17-12 | X 6 CrNiMoTi 1712 | 23 50 | 320S31 | X 6 CrNiMoTi 17 12 2 | X 6 CrNiMoTi 17-12-03 | 08KH17N13M2T 10KH17N13M2T | ||
X 10 CrNiMoTi 18 12 | 1.4573 | X 6 CrNiMoTi 1713 | 320S33 | X 6 CrNiMoTI 17 13 3 | X 6 CrNiMoTi 17-12-03 | 08KH17N13M2T 10KH17N13M2T | ||||
X 6 CrNiMoNb 17 12 2 | 1. 4580 | Z 6 CNDNb 17-12 | X 6 CrNiMoNb 1712 | X 6 CrNiMoNb 17 12 2 | 08KH16N13M2B | |||||
X 10 CrNiMoNb 18 12 | 1.4583 | X 6 CrNiMoNb 1713 | X 6 CrNiMoNb 17 13 3 | 09KH16N15M3B | ||||||
317 | SUS 317 | X 5 CrNiMo 1815 | 23 66 | 317S16 | ||||||
317 L | X 2 CrNiMo 18 16 4 | 1.4438 | Z 2 CND 19-15 | SUS 317L | X 2 CrNiMo 1815 | 23 67 | 317S12 | X 3 CrNiMo 18 16 4 | ||
317 L | X 2 CrNiMo 18 16 4 | 1.4438 | Z 2 CND 19-15 | SUS 317L | X 2 CrNiMo 1816 | 23 67 | 317S12 | X 3 CrNiMo 18 16 4 | ||
330 | X 12 NiCrSi 36 16 | 1.4864 | Z 12NCS 35-16 | SUH 330 | ||||||
321 | X 6 CrNiTi 18 10 X 12 CrNiTi 18 9 | 1.4541 1.4878 | Z 6 CNT 18-10 | SUS 321 | X 6 CrNiTi 1811 | 23 37 | 321S31 | X 6 CrNiTi 18 10 | X 6 CrNiTi 18-11 | 08KH18N10T |
321 H | SUS 321H | X 8 CrNiTi 1811 | 321S20 | X 7 CrNiTi 18-11 | 12KH18N10T | |||||
329 | X 8 CrNiMo 27 5 | 1. 4460 | SUS 329J1 | 23 24 | ||||||
347 | X 6 CrNiNb 18 10 | 1. 4550 | Z 6 CNNb 18-10 | SUS 347 | X 6 CrNiNb 1811 | 23 38 | 347S31 | X 6 CrNiNb 18 10 | X 6 CrNiNb 18-11 | 08KH18N12B |
347 H | SUS F 347H | X 8 CrNiNb 1811 | X 7 CrNiNb 18-11 | |||||||
904L | 1.4939 | Z 12 CNDV 12-02 | ||||||||
X 20 CrNiSi 25 4 | 1.4821 | |||||||||
UNS31803 | X 2 CRNiMoN 22 5 | 1.4462 | ||||||||
UNS32760 | X 3 CRNiMoN 25 7 | 1. 4501 | Z 3 CND 25-06Az | |||||||
403 | X 6 Cr 13 X 10 Cr 13 X 15 Cr 13 | 1.4000 1.4006 1. 4024 | Z 12 C 13 | SUS 403 | X 12 Cr 13 | 23 02 | 403S17 | X 10 Cr 13 X 12 Cr 13 | X 6 Cr 13 | 12Kh13 |
405 | X 6 CrAl 13 | 1.4002 | Z 6 CA 13 | SUS 405 | X 6 CrAl 13 | 405S17 | X 6 CrAl 13 | X 6 CrAl 13 | ||
X 10 CrAl 7 | 1.4713 | Z 8 CA 7 | X 10 CrAl 7 | |||||||
X 10 CrAl 13 | 1.4724 | X 10 CrAl 12 | 10Kh13SYu | |||||||
X 10 CrAl 18 | 1.4742 | X 10 CrSiAl 18 | 15Kh18SYu | |||||||
409 | X 6 CrTi 12 | 1.4512 | Z 6 CT 12 | SUH 409 | X 6 CrTi 12 | 409S19 | X 5 CrTi 12 | |||
X 2 CrTi 12 | ||||||||||
410 | X 6 Cr 13 X 10 Cr 13 X 15 Cr 13 | 1.4000 1.4006 1. 4024 | Z 10 C 13 Z 12 C 13 | SUS 410 | X 12 Cr 13 | 23 02 | 410S21 | X 12 Cr 13 | X 12 Cr 13 | 12Kh13 |
410 S | X 6 Cr 13 | 1.4000 | Z 6 C 13 | SUS 410S | X 6 Cr 13 | 23 01 | 403S17 | X 6 Cr 13 | 08Kh13 |
Ffatri
Mantais ansawdd:
Sicrheir ansawdd ein cynnyrch ar gyfer y llinell reoli yn y sector olew a nwy nid yn unig yn ystod y broses weithgynhyrchu rheoledig ond hefyd trwy brofi cynnyrch gorffenedig.Mae profion nodweddiadol yn cynnwys:
Profion 1.Non-ddinistriol
2. Hydrostatig profion
Rheolaethau gorffen 3.Surface
4. Mesuriadau cywirdeb dimensiwn
5.Flare a phrofion coning
6. Profi eiddo mecanyddol a chemegol
Cais tiwb caillary
1) diwydiant dyfeisiau meddygol
2) rheoli tymheredd diwydiannol dan arweiniad tymheredd, synwyryddion a ddefnyddir bibell, thermomedr tiwb
3) tiwb craidd diwydiant gofal corlannau
4) antena micro-tiwb, gwahanol fathau o antena dur di-staen manwl gywirdeb bach
5) Gydag amrywiaeth o gapilari dur di-staen diamedr bach electronig
6) dyrnu nodwydd gemwaith
7) gwylio, llun
8) tiwb antena car, antena bar gan ddefnyddio tiwbiau, tiwb antena
9) Offer engrafiad laser i ddefnyddio tiwb dur di-staen
10) offer pysgota, ategolion, Yugan allan gyda meddiant o
11) Deiet gyda chapilari dur di-staen
12) pob math o ffôn symudol stylus a stylus cyfrifiadur
13) diwydiant pibellau gwresogi, diwydiant olew
14) Argraffwyr, nodwydd blwch tawel
15) Tynnwch diwb dur di-staen wedi'i doddi'n ddwbl a ddefnyddir mewn cyplydd ffenestr
16) Amrywiaeth o diwbiau dur di-staen diamedr bach diwydiannol
17) trachywiredd dosbarthu gyda nodwyddau dur gwrthstaen
18) Meicroffon, clustffonau a meicroffon i ddefnyddio tiwb dur di-staen, ac ati