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Composition%(±)[non-principal component]

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Composition%(~)[non-principal component]

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Element[non-principal component]

Filters

Material Designation Standard Same grade, different standards. Source factory
Q420C GB /T 34199-2017
Alloy Steel
Q390C GB /T 34199-2017
Alloy Steel
Q420B GB /T 34199-2017
Alloy Steel
Q390E GB /T 34199-2017
Alloy Steel
Q275E GB /T 34199-2017
Carbon Steel 		-
Q355E GB /T 34199-2017
Alloy Steel 		-
Q390B GB /T 34199-2017
Alloy Steel
Q275C GB /T 34199-2017
Carbon Steel
Q235C GB /T 34199-2017
Carbon Steel
Q275D GB /T 34199-2017
Carbon Steel
Q355B GB /T 34199-2017
Alloy Steel
Q390D GB /T 34199-2017
Alloy Steel
Q420D GB /T 34199-2017
Alloy Steel
Q235B GB /T 34199-2017
Carbon Steel
Q235D GB /T 34199-2017
Carbon Steel
Q235E GB /T 34199-2017
Carbon Steel 		-
Q355C GB /T 34199-2017
Alloy Steel
Q355D GB /T 34199-2017
Alloy Steel
Q275B GB /T 34199-2017
Carbon Steel