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Copper M2r

Copper M1b Copper M3r Copper M3 Copper M2p Copper M2k Copper M2 Copper M1f Copper M1u Copper M1r Copper M1k Copper M1 Copper M0k Copper M0b Copper M00k Copper M00b Copper M00 Copper M0 Copper AMFu Copper AMF

Designation

Name The value
Designation GOST Cyrillic М2р
Designation GOST Latin M2p
Transliteration M2r
The chemical elements Cu2р

Description

Copper M2r is used: for the production of high quality semi-finished products and alloys, copper-based pressure treated; cold-rolled foil and strip, cold-rolled and hot-rolled sheets and plates of General purpose; drawn and cold-rolled pipes used in heat exchangers; drawn capillary tubes used in propose hypersound or ultras and instrumentation and refrigeration equipment; round welding wire and welding rods round drawn and extruded with a diameter of from 1.2 to 8.0 mm, designed for gas welding of General purpose constructions of copper.

Note

Copper M2r obtained by melting of cathodes and scrap copper deoxidation with phosphorus.

Standards

Name Code Standards
Tapes В54 GOST 1018-77, GOST 1173-2006
Bars В55 GOST 1535-2006
Welding and cutting of metals. Soldering, riveting В05 GOST 16130-90
Pipes from non-ferrous metals and alloys В64 GOST 2624-77, GOST 21646-2003, GOST 617-2006
Sheets and stripes В53 GOST 495-92
Non-ferrous metals, including rare metals, and their alloys В51 GOST 859-2001

Chemical composition

Standard S P Ni Fe Cu As Sn Sb Pb Bi O
GOST 1018-77 ≤0.01 0.005-0.06 ≤0.2 ≤0.05 The rest ≤0.01 0.02-0.05 ≤0.005 ≤0.01 ≤0.002 ≤0.01
GOST 1173-2006 ≤0.01 0.005-0.06 ≤0.2 ≤0.05 The rest ≤0.01 ≤0.05 ≤0.005 ≤0.01 ≤0.002 ≤0.01
GOST 16130-90 ≤0.01 0.005-0.06 ≤0.2 ≤0.05 The rest ≤0.01 ≤0.05 ≤0.005 ≤0.01 ≤0.002 ≤0.01
Cu is the basis.
According to GOST 1173-2006, GOST 1535-2006 and GOST 859-2001 the total content of Cu + Ag is ≥ 99.70%.

Mechanical characteristics

Section, mm σB, MPa d5, % d10 Brinell hardness number, MPa HV, MPa
The tape is supplied according to GOST 1018-77 (samples)
0.35-1.86 ≥200 - ≥36 - -
Ribbons and leaves (≥0.5 mm) as supplied
- ≥200 - ≥30 - -
- 200-260 ≥45 ≥36 ≥55 40-65
- 240-310 ≥15 ≥12 ≥75 65-95
- ≥290 ≥6 ≥3 ≥95 90-110
Bars according to GOST 1535-2006 in the delivery condition (longitudinal samples)
- ≥190 ≥35 ≥30 ≥35 ≥40
- ≥200 ≥40 ≥35 ≥40 40-65
- ≥240 ≥15 ≥10 ≥60 70-95
- ≥270 ≥8 ≥5 ≥70 90-115
The pulled capillary tube in the state of delivery according to GOST 2624-77 (samples)
- ≥200 ≥40 ≥35 - -
- ≥250 ≥5 ≥4 - -
Tubes round, drawn and cold-rolled steel in the delivery state according to GOST 21646-2003 (samples)
- ≥200 - ≥35 - -
- ≥240 - ≥12 - -
- ≥290 - ≥3 - -
Pipe humanitariannet and extruded in the state of delivery according to GOST 617-2006 (in cross-section is specified outside diameter, in brackets are the values for pipes with improved plasticity and strength)
≤360 ≥200 (210) ≥38 ≥35 (40) - ≤55
≤360 ≥240 (270) ≥10 ≥8 (8) - -
≤200 ≥190 ≥32 ≥30 - ≤80
200 ≥180 ≥32 ≥30 - -
≤360 ≥280 (310) - - - 90-135

Description mechanical marks

Name Description
Section Section
σB Limit short-term strength
d5 Elongation after rupture
d10 Elongation after rupture
HV The Vickers hardness

Physical characteristics

Temperature Е, ГПа r, кг/м3 l, Вт/(м · °С) R, НОм · м С, Дж/(кг · °С)
20 132 8940 387 178 390

A description of the physical symbols

Name Description
Е The normal elasticity modulus
l Coefficient of thermal conductivity
R UD. the resistivity

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