A 299 po'lat Astm Standart ostida muhim daraja, bitta qozon va bosimli tomirlar. A29yyoviy tarkibi, A299 mexanik xususiyatlariga qarang, A299 plitalari barcha plitalar yuqori marotaba sinov va hovlidagi yuqori bosimli holatlarda yuqori bosimli sharoitlarda ishlatiladigan po'lat to'g'ri va xavfsizlikni yaxshilash uchun.
A2990 plastinka
Steel Standard: ASTM A299 / A299M
Rolling turi: qozonxona po'lat plitasi, bosimi po'lat plitasi
Qalinligi: 6mm-300mm
Kengligi: 1500 mm - 4200mm
Uzunlik: 3000 mm-18000mm
Issiqlikni tozalash: Ar / stressni engillashtirish / normallashtirish
A299 Grade A,A299GrA steel plate,A299GrA steel sheet for pressure vessel used are specification for carbon steel and Manganese-Silicon.As for A299 Grade A steel plate which produced from steel coil SA299 Grade A and furnished without heat treatment or just with stress relieving only,the additional requirements,including additional testing requirements and the reporting of additional test results shall be applied for A20/A20M po'lat standart.
A299 yil uchun kimyoviy tarkibi po'lat plastinka
|
A2990Kimyoviy tarkibi |
||||||
|
Baho |
Element maksimal (%) |
|||||
|
C |
Si |
Mn |
P |
S |
Mor |
|
|
A299 GR.A |
0.28-0.30 |
0.13-0.45 |
0.84 -1.62 |
0.035 |
0.035 |
- |
Uglerod ekvivalenti: CEQ=【C + mn / {{2} {{CR + M + V) / 5+ (ni + cu) / 15 {15}%
A299 uchun plastinka uchun plastinka uchun mosqonchilik mulki:
|
Baho |
A2990Mexanik mulk |
|||
|
Qalinlik |
Yo'l bering |
Keskin |
Cho'zish |
|
|
A299 GR.A |
mm |
Min MPa |
Mpa |
Min% |
|
o'n yoki 50 ga teng |
275-290 |
515-655 |
19 |
|
|
50<> |
275-290 |
515-655 |
19 |
|
