 Needing 10mm-980mm*1mm-70mmT11 alloy steel tube / carbon steel pipes (Offer to Sell)
Trade Lead Description:
Alloy steel tube has larger Cold crack tendency, under certain condition, Easy to produce the delay crack; it must be in the welding joint after welding within 24 h follows processing,
It is the state of the organization after welding plate strip martensite, after the tempering can be turned into tempering martensite, The performance is superior to Board strips martensite, T11 alloy pipe welding is not allowed to cold room temperature to tempering, Because, if the welding joint is cooled to room temperature, it will produce the danger of cold crack. For t91, the best starting temperature: 100-150 centigrade degree, and keep it heat preserving, Can ensure that the basic organization transformation. In subsequent cooling, T11alloy steel tube is processing to quench. At the same time, such as this paper said before, the determination of tempering temperature must consider the influence of joint softening layer, generally speaking, tempering temperature: 730～780centigrade degree.
| Type of Offer: |
Offer to Sell |
| Quantity: |
500 tons per week |
| Packaging: |
as your requirements |
| Price / Incoterms Conditions: |
FOB or CFR |
Posted from China - Shandong on 28 March, 2012
Last Modified on 25 April, 2012
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