ʻO ke kila ASTM A633 Grade D

ASTM A633 Grade D/A633 Gr.D structural steel plates is used for their higher strength and atmospheric corrosion resistance. Hiki ke noʻonoʻo ʻia ke kila A633 Gr.D he kila microalloyed a ua hoʻolālā ʻia no ka mīkini ma mua o nā kikoʻī haku mele. ASTM A633 Grade D/A633 Gr.D hoʻohana ʻia nā papa kila i hoʻohana ʻia i nā hale welded, bolted, a riveted paha, ma luna o -45 ° C (-50 ° F) kahi e koi ʻia ai kona ikaika a paʻa.

ʻO ka ASTM A633 Grade D/A633 Gr.D nā papa kila hoʻonohonoho hoʻohui kemika:

Papa	C	ʻO Si	ʻO Mn	P	S	Cu	Ni	Cr	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

ʻO ASTM A633 Grade D/A633 Gr.D nā papa kila hoʻolālā waiwai mechanical:

Hua ikaika	Ikaika U'i	Elongation ma 2 in.
Mpa	Mpa	%
≧315	450-620	≧23