Hot Rolled MS Mild Carbon Steel Coil Q235B Q345B For Building Decoration Construction
Q235B, Q345B Hot Rolled Ms Mild Carbon Steel Coil For Building Decoration And Construction
| Technical Standard | EN10147/EN10142/DIN 17162/JIS G3302/ASTM A653 |
| Steel Grade | Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement |
| Type | Coil/Sheet/Plate/Strip |
| Thicness | 1.5-16mm or customer's requirement |
| Width | 100-3000mm according to customer's requirement |
| Type of Coating | Hot Dipped Galvanized Steel(HDGI) |
| Zinc Coating | 30-275g/m2 |
| Surface Treatment | Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
| Surface Structure | Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
| Quality | Approved by SGS,ISO |
| ID | 508mm/610mm |
| Coil Weight | 3-20 metric ton per coil |
| Package | Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer's requirement |
| Export market | Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc |
Carbon steel and stainless steel have the same basic composition of iron and carbon. Their main difference is that the alloy contains carbon steel, low alloy content is 10.5%, and chromium content must be greater than or equal to 10.5% of stainless steel, its essence is to make carbon steel and stainless steel with unique physical properties of the difference. Carbon steel and stainless steel are different, but that doesn't mean either one is stronger. It's all about the use of the environment. Each material has advantages and disadvantages, and the key is to help match the target steel.
(1) advantages and disadvantages of carbon steel
Advantages :1, low price, easy smelting; 2, good processing technology; 3, improve performance (C %, heat treatment)
Disadvantages :1, poor hardenability; 2, the intensity level is low, the performance is low; 3, poor temper stability, poor heat resistance; 4, low temperature resistance, carbon steel at embrittlement temperature toughness becomes brittle; 5, no corrosion resistance, carbon steel can not resist atmospheric, acid, alkali and salt corrosion; 6, low magnetic conductivity, low carbon steel; 7, non-magnetic, carbon steel in the magnetic field will inevitably be magnetized.
2) advantages and disadvantages of stainless steel
The main advantages of stainless steel are: corrosion resistance or high temperature resistance, acid resistance medium, high temperature resistance, high temperature oxidation (heat does not peel off) of stainless steel.
Disadvantages of stainless steel: the main cost is high, more expensive; In addition, stainless steel corrosion is not alkaline medium.
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