Seamless JIS G3465 STM-C 540 STM-R830 Mild Steel Tubing , Thin Wall Steel Pipe for Drilling

Delivery Time:25~35days
Certification:ISO9001 14001 BV TUV PED DNV etc

Seamless JIS G3465 STM-C 540 STM-R830 Mild Steel Tubing , Thin Wall Steel Pipe for Drilling

Quick Detail:

Standards: JIS G3465

Grade: STM-C 540, STM-C 640, STM-R 590, STM-R 690,STM-R 780,STM-R830

Outer Dimensions: 6mm ~ 350mm

Wall Thickness: 0.8mm ~ 35mm

Length: max 24000mm

Description:

Standards: JIS G3465

Grade: STM-C 540, STM-C 640, STM-R 590, STM-R 690,STM-R 780,STM-R830

Outer Dimensions: 6mm ~ 350mm

Wall Thickness: 0.8mm ~ 35mm

Length: max 24000mm

Application: Steel pipes for low temperature service

Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark: As requested.

Delivery Condition:Annealed, Normalized, Normalized and Tempered

Mechanical Properties:

Designation of grade	Tensile strength N/mm2	Yield point or proof stress N/mm2	Elongation %
No.11 test piece No.12 test piece
STM-C  540	540  min.	-	18  min.
STM-C  640	640  min.	-	16  min.
STM-R  590	590  min.	375  min.	18  min.
STM-R  690	690  min.	440  min.	16  min.
STM-R  780	780  min.	520  min.	15  min.
STM-R  830	830  min.	590  min.	10  min.

P & S Max Chemical Compositions(%):   

P	S
0.040%  max.	0.040% max.

Other Terms:

1, Application: DZ40, DZ50, J55, K55, N80, P110, STM-R690, STM-R780, seamless steel tube is for geologic drilling or geo-drilling use. Drilling pipe is a series of tubes(joined by screwed collars) that connects a drilling platform to the drilling bit; rotates the bit and supplies drilling mud.

2. JIS G3465:This Japanese Industrial Standard specifies the seamless steel tubes, hereinafter referred to as the \"tubes\", used for casing tube, core tube and drill rod in drilling.

3.Method of Manufacture 
 (1) Tubes shall be manufactured by seamless process.
 (2) Tubes shall be furnished as cold or hot finished, subject to subsequent adequate heat treatment, if necessary.

4. Analytical Method: The analytical method shall be in accordance with one of the following Standards:JIS G 1214, JIS G 1215, JIS G 1253, JIS G 1256, JIS G 1257.

Applications:

JIS G346 seamless steel tube is for geologic drilling or geo-drilling use. Drilling pipe is a series of tubes(joined by screwed collars) that connects a drilling platform to the drilling bit; rotates the bit and supplies drilling mud.

Competitive Advantage:

Huacheng Pipe Making Company is one of the largest seamless steel pipe manufacturers in China.We’ve passed API 5L,API 5CT, PED, BV, TUV certification and ISO quality system certification.With good quality and competitive price, we believe we could be your reliable supplier.

Factroy Pictures:

Pipe & Tube Processing

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