petroleum equipment petroleum tubing

  Production Description   Grade: J55, K55, N80, L80, P110 Thread: STC, LTC, BTC Standard: API 5ct ISO9001 Wall Thickness: 5.21-16.13mm Certificate: API 5CT, ISO9001 Length: R1 R2 R3    Mechanical properties

standard	grade	Tensile strength(MPA)	yield strength(MPA)
ASTM A106	A	≥330	≥205
	B	≥415	≥240
	C	≥485	≥275

Chemical ingredients

standard	grade	Chemical ingredients
		C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
ASTM A106	A	≤0.25	≥0.10	0.27~0.93	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	B	≤0.30	≥0.10	0.29~1.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
	C	≤0.35	≥0.10	0.29~1.06	≤0.35	≤0.35	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08

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5.Strict system of quality control and testing   6. Prompt and safe delivery   Our product Hydraulic cylinder, Main shaft, Wind power shaft, Hollow shaft, Stabilizer, Flange, Roller forging, Ring forging, Precision forgings, Gears, Gear shaft,Spiral drill collars, Non magnetic drill collars,Drill pipe, Integral Heavy Weight drill pipe, kellys, mandrel/core rod, forgings, work roller, back up roller, corrugated roller, intermediate roller, pipe die/pipe mould.    Our worksite We are a reliable supplier that can manufacture all kinds of non-standard and standard mechanical products. These products are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry. etc. Here are some details of the products for your reference.   Machining process   Our honor     contact information