Kev tsim khoom: Seamless txheej txheem, txias rub los yog kub dov
Loj: OD: 15.0 ~ 114mm WT: 2 ~ 10mm
Qib: Qib A-1, Qib C
Ntev: 6M lossis ntev raws li qhov xav tau
Xaus: Plain End, Beveled End
Khoom siv | Txuj | Technical | Qib | Kev siv |
Hlau alloy | JIS G3441 | Kub tiav los yog txias tiav | SCM420TK, SCM415TK, SCM418TK, SCM430TK, thiab lwm yam | Rau cov cuab yeej siv tshuab, rau kev tsim cov tsheb lossis tshuab qhov chaw |
ASTM A 213 | Kub tiav los yog txias tiav | GR.T11, GR.T12, GR.T13 | Boiler thiab super rhaub tubes | |
ASTM A519 Cov Lus Qhia Tshwj Xeeb | Kub tiav los yog txias tiav | GR.1020, GR.1026, GR.1045, GR.4130, thiab lwm yam | Seamless steel yeeb nkab thiab alloy steel yeeb nkab rau machinery | |
ASTM A335 Cov Lus Qhia Tshwj Xeeb | Kub tiav los yog txias tiav | GR.P9, GR.P11, GR.P5, GR.P22, GR.P91, thiab lwm yam | Haum rau kev kub siab, kev kub siab, chav sib kis lossis kev tsim khoom siv tshuab | |
ASTM A333 Cov khoom lag luam | Kub tiav los yog txias tiav | GR.1, GR.3, GR.4, GR.6, thiab lwm yam | Cov yeeb nkab steel rau cov khoom siv cryogenic |
Cov yeeb nkab xaj raws li qhov tshwj xeeb no yog rau kev tsim cov phab ntsa vaj huam sib luag, kev lag luam, superheater thiab chav kav dej ntawm boilers.
Qib thiab tshuaj muaj pes tsawg leeg (%)
Qib | C | Mn | P | S | Si |
A-1 | ≤ 0.27 | ≤ 0.93 | ≤ 0.035 | ≤ 0.035 | ≥0.10 |
C | ≤ 0.35 | 0.29-1.06 Nws | ≤ 0.035 | ≤ 0.035 | ≥0.10 |
Mechanical Properties (MPa):
Qib | Tensile Point | Yield Point | Elongation |
A-1 | ≥415 (60) | ≥255(37) | ≥30% |
C | ≥485 (70) | ≥275 (40) | ≥30% |
Cov raj yuav tsum tau ua los ntawm cov txheej txheem seamless thiab yuav tsum yog kub-tiav lossis txias-tiav, raws li tau teev tseg.
Cov raj kub tiav yuav tsum tsis txhob raug kho kom sov.Cov hlab txias tiav yuav tsum yog anneal lossis normalizing kev kho cua sov tom qab cov txheej txheem txias kawg.
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- Kev ntsuas nruj
- Flattening xeem
- Flaring xeem
- Kev kuaj Hardness
- Hydrostatic lossis Nondestructive Electric Test
Mechanical Testing
Kev kuaj Hardness
Mechanical Properties Test
Pleev yeeb nkab lossis Dub / Varnish txheej ( customized);
Nyob rau hauv bundles nrog ob paj rwb slings;
Ob qhov xaus nrog qhov kawg tiv thaiv;
Plain kawg, bevel kawg (2 "thiab saum toj no nrog bevel xaus, degree: 30 ~ 35 °);
Kos npe.
ASTM A 210 GR.A Seamless Medium
ASTM A192 Carbon hlau seamless boiler