
Astm A335 P11 Yeeb Nkab
A335 yog hais txog Asmeskas tus qauv: SA-335/SA-335M, uas yog seamless ferritic alloy steel nominal yeeb nkab rau kev siv kub. P11 yog hom hlau uas tsis tshua muaj hluav taws kub-resistant, nrog cov ntsiab lus chromium me ntsis siab dua GR.P12 (suav nrog Tuam Tshoj 15CrMo).
Cov qauv rau ASTM
Cov qauv kev ua haujlwm tseem ceeb rau ASTM American standard seamless steel kav yog raws li nram no:
- ASTM A53-A53M.2010 Uncoated thiab kub-dip galvanized welded thiab seamless steel kav
- ASTM A36 / A36M2004 Txuj kev qhia tshwj xeeb rau carbon structural steel
- ASTM A106/A106M-2002A Specification rau seamless carbon steel kav rau qhov kub thiab txias
- ASTM A210/A210M-2003 Cov txheej txheem rau seamless nruab nrab carbon steel kav rau boilers thiab superheaters
- ASTM A213 / A213Mb-2004 Cov txheej txheem rau seamless ferritic thiab austenitic alloy steel tshav kub hloov raj rau boilers thiab superheaters
- ASTM A333 / A333M -2004 Specification rau seamless thiab welded steel kav rau qhov kub thiab txias
tshuaj muaj pes tsawg leeg
C:0.05-0.15
Mn:030-0.60
P: Tsawg dua lossis sib npaug rau 0.025
S: Tsawg dua lossis sib npaug rau 0.025
Si: 0 50-1 00
Cr:1.00-1.50
Mo:044-0.65
cov requriements ntawm kev kho cua sov
1. Ua kom tiav lossis isothermal annealing.
2. Quenching thiab tempering (yam tsawg kawg nkaus tempering kub ntawm 650 degree).
mechanical kev ua tau zoo xav tau
Mechanical Performance Requirements:
Yield zog: Ntau dua lossis sib npaug rau 205Mpa Tensile lub zog: Ntau dua lossis sib npaug rau 415Mpa
tus khub lag luam nto moo

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