Kugadzira: Seamless process, inotonhora inokweva kana inopisa yakakungurutswa
Saizi: OD: 15.0 ~ 114mm WT: 2 ~ 10mm
Giredhi: Giredhi A-1, Giredhi C
Kureba: 6M kana kureba yakatarwa sezvinodiwa
Inopera: Plain End, Beveled End
Material | Standard | Technical | Giredhi | Usage |
Alloy Steel | JIS G3441 | Kupisa kunopisa kana kupera kunotonhora | SCM420TK, SCM415TK, SCM418TK, SCM430TK, zvichingodaro | Zvema mechanical zvimiro, zvekugadzira mota kana zvikamu zvemuchina |
ASTM A213 | Kupisa kunopisa kana kupera kunotonhora | GR.T11 ,GR.T12,GR.T13 | Boiler uye super heater machubhu | |
ASTM A519 | Kupisa kunopisa kana kupera kunotonhora | GR.1020,GR.1026,GR.1045,GR.4130, nezvimwewo | Seamless simbi pombi uye alloy simbi pombi kuti muchina | |
ASTM A335 | Kupisa kunopisa kana kupera kunotonhora | GR.P9,GR.P11,GR.P5,GR.P22,GR.P91, nezvimwewo | Inokodzera kupisa kwakanyanya, kudzvanywa kwakanyanya, kutapurirana mhepo kana kugadzira michina | |
ASTM A333 | Kupisa kunopisa kana kupera kunotonhora | GR.1, GR.3,GR.4,GR.6, nezvimwewo | Simbi pombi nokuda cryogenic midziyo |
Pombi yakarairwa pasi peiyi chirevo ndeyekugadzira madziro emadziro, economizer, superheater uye pombi yehutsi yemaboilers.
Giredhi uye Kemikari Kuumbwa (%)
Giredhi | C | Mn | P | S | Si |
A-1 | ≤0.27 | ≤0.93 | ≤0.035 | ≤0.035 | ≥0.10 |
C | ≤0.35 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≥0.10 |
Mechanical Properties(MPa):
Giredhi | Tensile Point | Yield Point | Elongation |
A-1 | ≥415(60) | ≥255(37) | ≥30% |
C | ≥485(70) | ≥275(40) | ≥30% |
Iwo machubhu anozogadzirwa nenzira isina musono uye angave achipisa-apedzwa kana kutonhora-apedzwa, sekutsanangurwa.
Machubhu anopisa haafanire kupiswa.Machubhu anotonhorwa apera achave aneal kana kuti normalizing kupisa kurapwa mushure mekutonhora kwekupedzisira kupera.
-
- Tension test
- Flattening bvunzo
- Flaring test
- Muedzo wekuoma
- Hydrostatic kana Nondestructive Electric bvunzo
Mechanical Testing
Hardness Testing
Mechanical Properties Test
Bare pombi kana Nhema / Varnish coating (yakagadzirirwa);
Mumisumbu ine zvipfuramabwe zviviri zvedonje;
Zvose zvinopera nevadziviriri vekupedzisira;
Magumo akajeka, bevel end (2" uye pamusoro ane bevel ends, degree: 30 ~ 35 °);
Kumaka.
ASTM A 210 GR.A Seamless Medium
ASTM A192 Carbon simbi isina musono bhaira