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carbon steel pipe Hot rolled Cold drawing tubes SAE4340

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PRODUCT

Steel Tube

Brief description:

Key words:

carbon steel pipe

Product Description

SAE4340 Ⅰ、Chemical Composition

SAE4340	C	Si	Mn	S	P	Cr


	0.38~0.43	0.15~0.35	0.60~0.80	≤0.030	≤0.025	0.60~0.90


	Ni	Cu	Mo


	1.65~2.00	≤0.025	0.20~0.30


Ⅱ、mechanical property
SAE4340	Yield Point(Mpa)		tensile strength（Mpa）		elongation		reduction of area


	≥835		≥980		≥12		≥55

	Akv (J):		αkv (J/cm2)

	≥78J		≥98

Ⅲ、Application
SAE4340 steel is a high-strength steel commonly used in the manufacture of mechanical parts and aerospace