پیچ و مهره

متریال فلنج	دمای طراحی	کاربرد	متریال پیچ	متریال مهره
ASTM A105	-29° 427°C to	HIGH TENSILE, HIGH TEMPRETURE	A193 Gr.B7	A194 Gr.2H
ASTM A350 Gr.LF2	-46° to -30°C	LOW TEMPRETURE	A320 Gr.L7	A194 Gr.7
ASTM A350 Gr.LF3	-101° to -47°C	LOW TEMPRETURE	A320 Gr.L7	A194 Gr.7
ASTM A182 Gr. F304, F304L, F316, F316L, F321, F347	-195° to 102°C	LOW TEMPRETURE	A320 Gr.B8 Class2	A194 Gr.8
ASTM A182 Gr.F11, F22	428° to 537°C	HIGH TENSILE, HIGH TEMPRETURE	A193 Gr.B16	A194 Gr.16
ASTM A182 Gr.F11, F22	538° to 648°C	HIGH TENSILE, HIGH TEMPRETURE	A193 Gr.B8 Class1	A194 Gr.8
ASTM A182 Gr. F304H, F316H	649° to 815°C	HIGH TENSILE, HIGH TEMPRETURE	A193 Gr.B8 Class1	A194 Gr.8