ASTM A633 Ite D irin

ASTM A633 Ite D/ A633 Gr.D awọn apẹrẹ irin ti a lo fun agbara giga wọn ati resistance ipata oju aye. A633 Gr.D irin a le gba bi irin microalloyed ati pe a ṣe apẹrẹ fun ẹrọ kuku ju awọn alaye lẹkunrẹrẹ akojọpọ. ASTM A633 Ite D/ A633 Gr.D awọn apẹrẹ irin ti a lo ni welded, bolted, tabi awọn ẹya riveted, loke -45°C (-50°F) ninu eyiti o nilo agbara ati agbara rẹ.

ASTM A633 Ite D/A633 Gr.D igbekalẹ irin awọn awopọ kemikali:

Ipele	C	Si	Mn	P	S	Ku	Ni	Kr	Mo
A633GR D	≤0.20	0.15-0.50	0.70-1.60	≤0.035	≤0.04	≤0.35	≤0.25	≤0.25	≤0.08

ASTM A633 Ite D / A633 Gr.D igbekale irin farahan ohun ini:

Agbara Ikore	Agbara fifẹ	Ilọsiwaju ni 2 in.
Mpa	Mpa	%
≧315	450-620	≧23