ASTM A633 Kōeke D maitai

ASTM A633 Grade D/A633 Gr.D pereti maitai hanganga whakamahia mo to ratou kaha teitei me te ātete waikura kōhauhau. Ko te rino A633 Gr.D ka taea te whakaaro he maitai moroiti, he mea hoahoa mo te miihini, kaua ki nga waahanga hangahanga. ASTM A633 Kōeke D/A633 Gr.D pereti maitai hangahanga e whakamahia ana i roto i nga hanganga paiherea, tutakina, riveted ranei, i runga ake i te -45°C (-50°F) e hiahiatia ana tona kaha me te mauroa.

ASTM A633 Koeke D/A633 Gr.D nga pereti maitai hanganga matū hanganga:

Kōeke	C	Si	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

ASTM A633 Kōeke D/A633 Gr.D papaa maitai hanganga taonga miihini:

Te Kaha Tuku	Te Kaha Toka	Elongation in 2 in.
Mpa	Mpa	%
≧315	450-620	≧23