347H irin alagbara, irin coiled tube
Alloy 347H jẹ iduroṣinṣin, austenitic, irin chromium ti o ni columbium eyiti o fun laaye lati yọkuro ojoriro carbide, ati, nitori naa, ibajẹ intergranualr.Alloy 347 ti wa ni imuduro nipasẹ awọn afikun ti chromium ati tantalum ati pe o funni ni awọn ohun-elo ti nrakò ati wahala ti o ga ju alloy 304 ati 304L eyi ti o tun le ṣee lo fun awọn ifihan gbangba nibiti ifamọ ati ibajẹ intergranualr jẹ ibakcdun.Afikun ti columbium tun ngbanilaaye Alloy 347 lati ni aabo ipata to dara julọ, paapaa ti o ga ju ti alloy 321. 347H jẹ fọọmu ti iṣelọpọ carbon ti o ga julọ ti Alloy 347 ati ṣafihan iwọn otutu ti o ga ati awọn ohun-ini ti nrakò.Ọja Alailowaya Haosteel ni bayi pẹlu Alloy 347/347H (UNS S34700/S34709) ninu dì, okun dì, awo, ọpa yika, ọpa alapin ti a ṣe ilana ati awọn ọja tubular.
347H irin alagbara, irin coiled tube
Àkópọ̀ kẹ́míkà:
| C | Si | Mn | P | S | Cr | Ni | Nb |
| 0.04-0.1 | ≤ 0.75 | ≤2.0 | ≤ 0.045 | ≤ 0.03 | 17.0 - 19.0 | 9.0 - 13.0 | 8C - 1.0 |
347H irin alagbara, irin coiled tube
Ti araAwọn ohun-ini:
347H irin alagbara, irin coiled tube
Ti a parẹ:
Agbara Fifẹ Gbẹhin – 75KSI min (515 MPA min)
Agbara ikore (0.2% aiṣedeede) -30 KSI min (205 MPA min)
Elongation - 40% min
Lile – HRB92max (201HV max)
