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1. product introduction
The products are mainly used in oil well pressure, and deep sea engineering, with its excellent high-temperature high-pressure resistance performance by various test results of the trust industry, our products in CNOOC, 175 C and 140MPa under the condition of no deformation and no crack.

2. product specifications
According to the drawing of the customer, the craft is fine and the quality is excellent.

3. material
TC4, TC11 is the most commonly used, customers have other material requirements can also be satisfied.

4. performance standards
The chemical composition accords with the standards of GB/T 3621-2007, GB/T 2965-2007, GB/T 3625-2007 and so on.

5. standard value

Reference standard for chemical composition
Grade	Al	V	N≤	C≤	H≤	Fe≤	O≤	Other elements (single)	Other elements (sum)
TA1			0.03	0.08	0.015	0.20	0.18	0.1	0.40
TA2			0.03	0.08	0.015	0.30	0.25	0.1	0.40
TC4	5.5-6.75	3.5-4.5	0.05	0.08	0.015	0.30	0.20	0.1	0.40

Reference standard for mechanical properties
Grade	The mechanical properties at room temperature are not less than
	Tensile strength	Yield strength	Elongation	Section shrinkage rate
TA1	170 MPa	240 MPa	25%	30%
TA2	275 MPa	345 MPa	20%	30%
TC4	825 MPa	895 MPa	10%	20%