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1假如加熱時工件外表附著油。而且會產(chǎn)生滲碳。氧化皮下基體金屬被滲碳的局部將嚴重地受到酸的侵蝕。重油燒嘴最初燃燒時所噴出的油滴，若附著在工件上，影響也很大。操作大員的指紋附著在工件上時也會有影響。
1 if the attached oil heating workpiece appearance. And will produce carburizing. Subcutaneous matrix metal oxide by carburizing local will severely eroded by acids. The initial burning of heavy oil burner jet of oil droplets, if attached to the workpiece, the influence is very big also. Operating official's fingerprint adhesion when also can have influence on the artifact.
2假如工件外表有雜物。加熱當然會對氧化皮有影響。
2 if the workpiece appearance with sundry. Heating, of course, will have an impact on the scale.
加熱時必需使處置件不直接接觸火焰口。
Heat necessary to the disposal of a mouth don't direct contact with the flame.
3氣休或油的火焰直接接觸的不銹鋼外表和沒接觸的地方所產(chǎn)生的氧化皮有差異。所以。
3 gas or oil 'direct flame contact stainless steel produced by appearance and no contact with the local scale. So.
加熱后有氧化皮殘存的部位和沒有氧化皮的部位，
After heating scale residual parts and not the part of the scale,
4如果處置件的局部在熱處置前有殘存的氧化皮。會出現(xiàn)氧化皮的厚度和成分上的差別，引起酸洗后外表不均勻，所以不只要注意最終的熱處理，而且也要充分注意中間熱處置和酸洗。

4 if the disposal of a local have residual scale before heat treatment. There will be differences in thickness and composition of scale, cause uneven appearance after pickling, so don't just pay attention to the final heat treatment, but also to fully pay attention to the intermediate heat treatment and pickling.
5外表光潔度不同時的影響
5 appearance bright and clean degree is not at the same time
即使同樣加熱，   如果外表光潔度不同。其外表粗糙處和精細處的氧化皮也不相同。例如，局部缺陷經(jīng)過清理的地方和沒清理的地方，形成氧化皮的狀況不同，故引起酸洗后工件外表不均勻。
Even if the same heat, if the appearance bright and clean degree is different. The appearance of coarse and fine place scale is not the same. Local defects, for example, after a clean place and not clear place, forming oxide skin condition is different, so causes uneven appearance of workpiece after acid pickling.
6爐內(nèi)氣氛的差別
The difference between 6 in furnace atmosphere
氧化皮的形成一也會有變化，   爐內(nèi)氣氛在各局部的不同。這也是造成酸洗后不均勻的原因。所以，加熱時，爐內(nèi)各部位的氣氛必需相同。為此，也必需考慮氣氛的循環(huán)
To form a scale will also have change, furnace atmosphere in each local differences. This is also the cause of uneven after pickling. When heated, so that each part of the furnace atmosphere must be the same. Therefore, also must consider circulation of atmosphere

 
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