Seamless Copper Tube B75 UNS C10300

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Supplier:	Tapgroup internation.,JSC
Address:	Số 32 Lô N4D, đường X2A, Yên Sở, Hoàng Mai, Hà Nội
Phone:	0084 933 86 77 86
Email:	info@tapgroup.vn
Website:	https://supplier-pipe-tube-ongthep.com
Insurance:	12 tháng
Status:	Mới 100%
Origin:	China, Korea, Malaysia, Thailand, Japan, EU, G7

Catalogue Profile

Description

Name:				Seamless Copper Tube B75 UNS C10300
Type Of Tubes				SMLS Pipe B75 UNS C10300
Standard Specification for Seamless Copper Tube This standard is issued under the fixed designation B 75; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.



Scope
This specification establishes the requirements for seamless round, rectangular, and square copper tube suitable for general engineering applications. Tubes made from any of the following Copper UNS No. designations shall be supplied unless otherwise specified in the contract or purchase order:

Copper UNS No				Type of Copper
C10300				Oxygen-free, extra low phosphorus
The values stated in inch-pound units are the standard except for grain size values which are given in SI units. This specification is the companion to SI Specification B 75M; therefore no SI equivalents are presented in this specification. The following hazard statement pertains only to the test method described in Sections 20.5.2.1, 21.2.9, and 21.2.10 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


Material and Manufacture
Material—The material of manufacture shall be billets, bars, or tube of Copper UNS9 No. C10100, C10200, C10300, C10800, C12000, or C12200, and shall be of such soundness as to be suitable for processing into the tubular products de¬scribed. Manufacture—The tube shall be manufactured by such hot- and cold-working processes as to produce a homogeneous, uniform wrought structure in the finished product. It shall be cold drawn to the finished size and wall thickness. When cold-drawn temper is required, the final drawing operation shall be such as to meet the specified temper. When annealed temper is required, the tube shall be annealed subsequent to the final cold draw.



Chemical Composition
The material shall conform to the requirements for the specified Copper UNS No. designation. These specification limits do not preclude the presence of other elements. When included in the contract or purchase order, and agreed upon by the manufacturer or supplier and the purchaser, limits shall be established and analysis required for unnamed elements. Refer to Practice E 527 for explanation of unified numbering system (UNS).


Element					Composition, %
					Copper UNS No.
					C10300
CopperC, min CopperC +
phosphorus, min					99.95
Phosphorus					0.001-0.005
Arsenic
^ARefer to Chemical Requirements, Grade 1, of Specification B 170 for impurity limits for Copper UNS No. C10100. ^BRefer to Chemical Requirements, Grade 2, of Specification B 170 for impurity limits for Copper UNS No. C10200. ^CCopper (including silver).


Temper
The requirements and size availability of tube in the cold-drawn tempers H55, H58, and H80, as defined in Classification B 601. Rectangular, including square, tube shall normally be supplied only in H58 temper. When requested by the manufacturer or supplier, and upon agreement with the purchaser, tube shall be supplied in H55 or H58 temper. For any combination of diameter and wall thickness not listed under H80 temper, the requirements specified for H58 temper shall apply. The requirements and size availability of tube in the annealed tempers O50 and O60, as defined in Classification B 601. NOTE 1—The purchaser shall confer with the manufacturer or supplier for the availability of product in a specific temper. NOTE 2—Refer to Appendix X1 for recommended applications based on temper.





Mechanical Property Requirements of Drawn-Temper and Annealed-Temper Tube
Temper Designation		Outside Diameter, or Major Distance Between Outside Parallel Surfaces, in		Wall Thickness, in.		Rockwell Hardness		Average Grain Size, mm	Tensile Strength, ksi ^A	Yield Strength^B min., ksi ^A
Standard	Former					Scale	Hardness
H55	light-drawnc	All		All		30T^D	30 to 60		36-47	30
H58	drawn (general purpose)	All		All		30T^D	30 min		36 min	30
H80	hard-drawnc	Up to 4		0.020 to 0.250, incl		30T^D	55 min		45 min	40
O60	soft anneal	All		0.015 to 0.035		15T^E	60 max	0.040 min	30 min	9^F
				0.035 and over		_FE	50 max	0.040 min	30 min	9^f
O50	light anneal	All		0.015 to 0.035		15T^E	65 max	0.040 max	30 min	9^F
				0.035 and over		_FE	55 max	0.040 max	30 min	9^F
^A ksi = 1000 psi. ^BYield strength to be determined at 0.5 % extension under load. ^cLight-drawn and hard-drawn tempers are normally available in round tubes only. ^D Rockwell hardness values shall apply only to tubes having a wall thickness of 0.020 in. or over, to round tubes having an inside diameter of 5/ie in. or over, and to rectangular including square tubes having an inside majordistance between parallel surfaces of3/ie in. orover. Rockwell hardnesstests shall be made on the inside surface of the tube. When suitable equipment is not available for determining the specified Rockwell hardness, other Rockwell scales and values shall be specified subject to agreement between purchaser and supplier. ^E Rockwell hardness values shall apply only to tubes having a wall thickness of 0.015 in. or over, to round tubes having an inside diameter of 5/ie in. or over, and to rectangular including square tubes having an inside major distance between parallel surfaces of 3/ie in. or over. For all other tube no Rockwell values shall apply. Rockwell hardness tests shall be made on the inside surface of the tube. When suitable equipment is not available for determining the specified Rockwell hardness, other Rockwell scales and values shall be specified subject to agreement between purchaser and supplier. ^FLight-straightening operation is acceptable.










Physical Property Requirements
Electrical Resistivity—When specified in the contract or purchase order, tube ordered for electrical conductor application produced from Copper UNS No. C10100, C10200, C10300, or C12000 shall have an electrical mass resistivity, O-g/m2, not to exceed the following limit for the specified copper and temper when tested in accordance with Test Method B 193:

Temper				Copper UNS No.
				C10300
O60, O50				0.156 14
H55, H58,H80				0.159 40
NOTE 3—Refer to Appendix X2 for the International Annealed Copper Standard (IACS) electrical conductivity equivalents.
Mechanical Property Requirements
Tensile and Yield Strength: The tube shall conform to the requirements for the specified temper and wall thickness. For any combination of diameter and wall thickness not listed under H80, the requirements for H58 shall apply. Rockwell Hardness: The tube shall conform to the requirements for the specified temper and wall thickness. The Rockwell Hardness values for tube in the H55, H58, and H80 temper shall apply only to the following: (a) Tubes having a wall thickness of 0.020 in. and over, (b) Round tubes having an inside diameter of 5/i6 in. and over, (c) Rectangular and square tubes having major distances between parallel surfaces of 3/i6 in. and over. 10.2.1.2 The Rockwell Hardness values for tube in the O60 and O50 temper shall apply only to the following: (a) Tubes having a wall thickness of 0.015 in. and over; (b) Round tubes having an inside diameter of 5/i6 in. and over; (c) Rectangular and square tubes having inside major distances between parallel surfaces of 3/i6 in. and over. Straightening—It shall not be prohibited to use light straightening for tube in the O60 and O50 temper.









Performance Requirements
Expansion Test for Round Tube—When specified in the contract or purchase order, annealed tubes shall be capable of withstanding an expansion of the outside diameter of 40 % for tube 3/4 in. and under and 30 % for tube over 3/4 in. The tube shall show no cracking or rupture visible to the unaided eye.

Microscopical Examination
Tubes furnished in Copper UNS No. C10100, C10200, C10300, and C12000 shall be essentially free of cuprous oxide as determined by Procedure A of Test Methods B 577.
Hydrogen Embrittlement
When specified in the contract or purchase order, tubes produced in all designated copper material shall be capable of conforming to the requirements of Procedure B of Test Methods B 577.
Nondestructive Test
The tubes shall be tested in the drawn tempers or as drawn before the final-annealed temper unless otherwise agreed upon between the manufacturer and the purchaser. Electromagnetic (Eddy-Current) Test: Each tube up to and including 3V8 in. in outside diameter shall be subjected to test. When tested in accordance with Practice E 243, tubes which do not actuate the signaling device of the testing unit shall be considered as conforming to the requirements of the test. Hydrostatic Pressure Test—When specified in the contract or purchase order, each tube shall be capable of withstanding an internal hydrostatic pressure sufficient to produce a fiber stress of 6000 psi without leakage. The tube need not be subjected to a pressure gage reading over 1000 psi unless specifically stipulated in the contract or purchase order. Pneumatic Pressure Test—When specified in the contract or purchase order, each tube shall be capable of with-standing an internal air pressure of 60 psi, minimum, for 5 s without leakage.





Dimensions, Mass, and Permissible Variations
The dimensions and tolerances for product furnished to this specification shall be as specified in the following tables and related sections of the current edition of Specification B 251: Wall Thickness Tolerances. Tolerances for Diameter or Distance Between Parallel Surfaces. Length Tolerances. Straightness Tolerance. Corner Radius for Rectangular Including Square Tube. Roundness, Squareness of Cut and Twist Tolerances for Rectangular and Square Tubes—Refer to titled sections. Length Tolerances for Tube in Coils.







Coil Length Tolerances (Specific Lengths)
Outside Diameter or Major Distance Between Parallel Surfaces, in.				Tolerances, in., 4ll Plus, for Nominal Lengths, ft
				Up to 50, incl				Over 50 to 100, incl
Up to 2, incl				12				24
Coil Length Tolerances (Mill Lengths) (Applicable Only to Full-Length Pieces)
Tube Outside Diameter or Major Distance Between Parallel Surfaces, in.				Tolerances, %, for Nominal Lengths, ft
				Up to 100, incl				Over 100 to 2000, incl
Up to 1, incl				5^A or 2 ft, whichever is greater				10^A
Over 1 to 2, incl				5^A or 2 ft, whichever is greater				no tolerances established
^AExpressed to the nearest 1 ft.
Coil Schedule of Mill Lengths with Ends
Tube Outside Diameter or Major Distance Between Parallel Surfaces, in.			Nominal Length, ft			Shortest Permissible Length, % of Nominal Length			Maximum Permissible Weights of Ends, % of Lot Weight
Up to 1, incl			up to 100, incl			70^A			10
Over 1 to 2, incl			up to 100, incl			60^A			20
Up to 1, incl			over 100 to 2000, incl			50			50^B
^A Expressed to the nearest 1 ft. ^B Short pieces of lengths between 50 ft and one-quarter of full length shall not exceed 10 % of lot weight. Short pieces of lengths between one-quarter of a full length and full length shall not exceed 40 % of lot weight.

Number of Tests and Retests
Tests: Chemical Composition—Chemical composition shall be determined as the arithmetic mean of results from at least two replicate determinations for each specified element. Grain Size, Electrical Resistivity, Tensile and Yield Strength, and Rockwell Hardness—These tests shall be reported as the average of results from two test specimens and each specimen shall conform to specification requirements. Other Tests—At least two specimens shall be pre-pared for each of the other tests and each shall conform to test requirements. Retests: When test results obtained by the purchaser fail to conform with the product specification requirement(s), the manufacturer or supplier shall have the option to perform a retest. Retesting shall be as directed in this specification for the initial test except for the number of test specimens which shall be twice that normally required for the test. Test results for all specimens shall conform to this specification’s requirement(s) in retest and failure to conform shall be cause for lot rejection.

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