ASTM, CCCXXXV etSA, 355mStandard specificationem in seamless ferritic muro-ferro pipe ad summus temperatus servitium.
Pertinet ad boiler et pressura vas codice.
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Et ordo forma debet includere sequenti XI items:
I. Quantitas (pedes, metris et numerus virgae)
II. Material nomen (seamless Alloy Steel Nominal Pipe)
III. Levels (XVI In Summa: P1, P2, P22, P11, P22, P91)
IV. Vestibulum modum (calidum consummatione aut frigus drawing)
5. Use one of the following specifications: 1), NPS and pipe wall thickness serial number, 2), outer diameter and nominal wall thickness, 3), outer diameter and minimum wall thickness, 4), inner diameter and nominal wall thickness , 5), inner diameter and minimum wall thickness ordering instructions
VI. Longitudo (dividitur in certum longitudinem et indefinitum longitudinem)
VII. Finem processus.
VIII. Electio Requirements (aqua pressura et licita pondus deviation).
IX. Requiritur test tradit (videatur A530).
X. Vexillum numero. 11Special Requisita vel libitum supplementum requisita.
Materiae et vestibulum
I. Nominal Steel Pipes potest esse calidum-complevit aut frigus-instructa, et subruit ultima calor curatio requiritur a vexillum.
II. P2 et P12 gradu ferro. Hi duo gradus de ferro debet fabricari per crassum frumentum liquescens processus. Si sunt speciales requisita pro frumenti mole aut Deioxidation processus, ut sit convenerit in emptor et ferro fabrica.
III. Calor curatio
I. Nisi PSC P23, P91, P92, P122 P911 gradu ferro et certa, omnes gradus nominis fistularum et reheated et suppleverunt in plene annealed, isothermal annealed et normalized et temperari. Si suppleverunt in normalized et temperatus status, minimum temperatio temperatus ad P5, P5B, P9, P21 et P22 gradu ferro erit DCLXXV ° C. Minimum temperatio temperatus ad P1, P2, P11, P12 et P15 gradu ferro erit DCL50 ℃
II. Quod ultima calor curatio P92 et P911 gradus ferro debet esse normalizing ad minimum MXL ℃ et temperatio ad minimum DCCXXX ℃.