Ko te DIN 1.2083 he rino he kowiri tira whakarewahia he kowiri tira. He rite ki te AISI 420 maitai. Ko te maitai 1.2083 he maitai nui mo te pehi wera i roto i te tohanga.
Ko te 1.2083 he kowiri tira te nuinga o te wa ka tukuna he ahua me te pakeke <230HB. Ka taea hoki te tuku ESR me te tineia me te whakamahana ki te 320 HB.
Ko nga ahuatanga matua o te DIN 1.2083 ko:
– he pai te parenga waikura o te hau,
- he tino pai te whakakoi,
- he pai te mahi miihini i roto i nga ahuatanga annealed,
– he kaha pakeke
– he pai te mau kakahu
ASTM A681 | C | Si | Mn | P | S | Cr |
420 Whakarerekētia | ≤1.00 | ≤1.00 | 0.20~0.40 | 0.030 Mōrahi | 0.030 Mōrahi | 12.5~13.5 |
DIN 17350 | C | Si | Mn | P | S | Cr |
1.2083/ X42Cr13 | ≤1.00 | ≤1.00 | 0.20~0.40 | 0.030 Mōrahi | 0.030 Mōrahi | 12.5~13.5 |
GB/T 9943 | C | Si | Mn | P | S | Cr |
4Cr13 | 0.35~0.45 | ≤0.60 | ≤0.80 | 0.030 Mōrahi | 0.030 Mōrahi | 12.0~14.0 |
JIS G4403 | C | Si | Mn | P | S | Cr |
SUS420J2 | 0.26~0.40 | ≤1.00 | ≤1.00 | 0.030 Mōrahi | 0.030 Mōrahi | 12.0~14.0 |
USA | Tiamana | Hapani | Haina | ISO |
ASTM A681 | DIN 17350 | JIS G4403 | GB/T 9943 | ISO 4957 |
420 Whakarerekētia | 1.2083/X42Cr13 | SUS420J2 | 4Cr13 | X42Cr13 |
Te whakapakeke i muri i te uara whakamahana/MPa | 400 ℃.: 1910
Te whakapakeke i muri i te uara whakamahana/MPa | 500 ℃ : 1860
Te whakapakeke i muri i te uara whakamahana/MPa | 600 ℃ : 1130
Te whakapakeke i muri i te uara whakamahana/MPa | 650 ℃ : 930
I mua i te whakamahana ki te 600 ℃, ka whakamahana ki te pawera. Waiwai ki te 800-1100°C, kia tino wera. Na ka timata te hanga, te pāmahana tiwai kia iti iho i te 650 ℃. Whai muri i te hanga, ata whakamatao.
Whakawerahia ki te 750-800 ℃, ka ata whakamatao ki te 538 ℃(1000℉) i roto i te oumu maimoatanga wera. Katahi ka whakamatao ki te hau. I muri i te whakapakeke i te pakeke HBS: 225 Max
1.2083 te rino he tino kaha te whakapakeke, me whakapakeke ma te whakamatao i te hau. Ko te whakamahi i te kaukau tote, i te oumu kowaowao whakahaeretia ranei he pai ki te whakaiti i te whakakorenga kawa, a ki te kore e waatea, ka whakaarohia kia whakamarokehia te kete ki roto i te tiihi kao.
Te pāmahana tineia / ℃ : 1020~1050
Waenga tinei: Te whakamatao hinu
Te pakeke: 50 HRc
Te pāmahana whakamahana / ℃ : 200-300
I muri i te whakamaarama i te pakeke HRC teitei ake ranei: 28-34 HRc
Ko te 1.2083 e tika ana mo te mahi whakaheke hiko, he pai mo te waikawa pai o te whakakoi i nga kirihou me nga whakaritenga. Ko te nuinga o te whakamahi i roto i te hanga o te PVC pokepokea ai, kakahu me te whakaki i te pokepokea ai, tae atu ki te momo wera wera o te pokepokea ai te kirihou, te roa-ora te pokepokea ai, pērā i: te whakarewa tepu tepu, hanga wāhanga optical, pērā i te kāmera, me te mohiti, ipu hauora. me etahi atu.
Ko te kounga e whakamanahia ana e ISO 9001: 2008 punaha whakahaere kounga. Ko o maatau 2083 maitai katoa na te SEP 1921-84 te tirotiro ultrasonic (UT Test). Kounga Kounga: E/e, D/d, C/c.
Mena kei a koe etahi patai rino 1.2083 me te patai mo te Utu, Tono, maimoatanga wera, Tena koa kaua koe e mangere ki te whakapiri mai ki a maatau.