Product brief introduction
2cr13 martensitic stainless steel, welding to warm up.
And Q235 without preheating, welding of austenitic stainless steel electrode such as A302. A307 will do.
When welding control weld dilution rate, bead welding, using the low current.
Heat treatment specification:
1) annealing, 800 ~ 900 ℃ slow cooling or about 750 ℃ cold quickly;
2) quenching, 920 ~ 980 ℃ oil cooling;
3) tempering, 600 ~ 750 ℃ cold fast.
Metallographic organization: organizational characteristics for markov shape.
Delivery status: general with heat treatment state delivery, its heat treatment type specified in the contract;
Not specified, the heat treatment state delivery.