加拿大外贸
De-scaled, white pickled and passivated, or fully machined[ 本帖最后由 Frank.Brown 于 2010-5-29 16:36 编辑 ]
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NOTE:
A182 F304/304L & A182 F304/304L NACE
Solution annealed.
Rp0.2>=205MPa Rm>=515MPa Hardness<=248 Hv10
Impact testing a -196°C to be certified
De-scaled, white pickled and passivated, or fully machined
Flanges shall have a maximum wall thck under tolerance of 0,3mm for the hub at the welding end
Certification in accordance with EN 10204 Type 3.1
A182 F316/316L
Solution annealed.
If possible Mo>=2,5%
Rp0.2>=205MPa Rm>=515MPa Hardness<=248 Hv10
Impact testing a -196°C to be certified
De-scaled, white pickled and passivated condition, or fully machined
Flanges shall have a maximum wall thck under tolerance of 0,3mm for the hub at the welding end
Certification in accordance with EN 10204 Type 3.1
[ 本帖最后由 cyp0811 于 2010-5-29 12:48 编辑 ]
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等下面的高手帮你解答吧！
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脱氧化皮，酸洗，钝化
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