GB/T 17107-1997:Structural steel grades and mechanical property for forgings:Structural steel China National Standards:GB/T 16270-2009:High strength Structural steel plates in the quenched and tempered condition:Structural steel China National Standards:GB/T 1591-2008:High strength low alloy Structural steels:Structural steel Chinese GB Standard - World MaterialQ690 steel and Q690M material is a Chinese GB standard high strength low alloy structural steel, and devides into 3 quality grades:Q690C, Q690D and Q690E, "Q" means Yield Strength, "690" refers to 690 Mpa, Tensile Strength is 770-940 Mpa, "M" is
GB/T 16270:2009:High-strength structural steel plates and strips:products supplied in the heat-treated or controlled rolled condition /14/ GB/T 17107:2004:Structural steel grades and mechanical property for forgings /78/ GB/T 20564-1:2007:Continuously cold rolled high strength steel sheet and strip for automobile - Part 1:Bake hardening GB carbon and low alloy steel--Carbon steel q235b iron More Information. GB/T 16270 Q690E high strength structural steel plate; Quenched and tempered Q690F high strength steel; GB/T 16270 Q690D high strength steel plate and pipe GB/T16270 Q690D Carbon Structural Galvanized Steel coil Q690D Galvanized steel coil is a high strength welded structural steel.GB/T16270 Q690D Carbon Structural Galvanized Steel coil may be referred to the yield strength.Q690D Carbon Structural Galvanized Steel coils were dealed in the Bebon.
Q690E quenched tempered Steel plate, GB/T 16270 Q690E GB/T 16270-2009 Q690E High strength structural steel plates in the quenched and tempered condition Q690E Chemical requirement Q620C high strength steel plate GB T 1591 2008 - A36 Steel Q620C GB - Material Data - MatDTQ620C,GB,GB/T 28299,GB/T 16270,GB/T 1591,Hot-rolled flange plate for construction,High-strength structural steel plates and strips products supplied in the heat-treated or controlled rolled condition,High strength low alloy structural steelsCheap gb t16270 q620c steel platebest q690d low price - GB/T 30 Q690 Steel, Q690C Q690D Q690E Composition, Properties Q690 steel and Q690M material is a Chinese GB standard high strength low alloy structural steel, and devides into 3 quality grades:Q690C, Q690D and Q690E, Q means Yield Strength, 690 refers to 690 Mpa, Tensile Strength is 770-940 Mpa, M is short for TMCP (Thermal Mechanical Control Processing), for data sheet and specification, please refer to the following tables.
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Q690E,Q690D,Q690C,Q690F GB/T 16270-2009 Q460D High strength structural steel plates in the quenched and tempered condition