S20c很少淬火,没有回火脆性。它具有较高的冷变形塑性,通常用于弯曲、压延、弯曲和锤击拱加工。电弧焊和接触焊的焊接性能好,气焊时厚度小。形状要求严格或形状复杂的产品容易出现裂纹。冷拔或正火状态下的加工性能优于退火状态。S20c用于制造低应力和高韧性要求的零件。
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