| | Grade： | SCM435 、SCM440 | | Specifications： | φ5.5～42mm | | Applied Standard： | Q/XG 114 | | Criteria： | | | Product Glory： | | | Characteristics： | SCM435 is a commen steel grade which used to produce high strength bolt of class 12.9.This product has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality. After spheroidize annealing, this product has the characteristics of good cold heading properties ,stable heat-treatment properties and good hardenability.
SCM440 is similar to SCM435,but higher strength and hardenability.
| | The use of products： | The wire rod is used to produce cylinder bolt of class 12.9.. | | Future Development： | By special rolling and process, the spheroidize annealing time of the product can be shortened remarkably.. | |
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