Steel 08KP
Steel 38 (38-PV)
Steel 20-KS
20-KHS steel
20K steel
Steel 20kp
20ps steel
20YuA steel
20YUCH steel (20YUCH)
Steel 22ZhR
22K Steel
Steel 25
Steel 25ps
Steel 30
Steel 35
Steel 20 (20A; 20B)
Steel 40 (40A)
Steel 43 (43-PV)
Steel 45
Steel 45T (45ST)
Steel 50
Steel 54 (54pp)
Steel 55
Steel 58 (55pp)
Steel 60
Steel 60pp (60pp-PV)
Steel 90 (BP5)
Steel D
Steel DB
E55 steel (NIPRA)
Steel 11kp
Steel 0501
Steel 05kp
Steel 08
Steel 08kp
08ps steel
Steel 08Fkp
Steel 08U (08UA; 08U2 (08U2A))
08YUP steel
08YuPR steel
Steel 10
10kp steel
10ps steel
10YuA (10Yu) steel
18YuA steel
Steel 11MTUA
11YuA steel
12K Steel
Steel 15 (15A)
15K Steel
Steel 15kp
15ps steel
15FSA steel
15YuA steel
16GNMA steel
16K Steel
18K Steel
18kp steel
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 08кп |
| Designation GOST Latin | 08kp |
| Transliteration | 08kp |
| The chemical elements | 8 |
Description
Steel 08KP is used: for the manufacture of sheet metal 1−3 mm 4−14 category, intended for cold forming; sheet rolled double-sided electrolytic coating and single-side polymer coating, used in the construction industry, commercial engineering, industrial ventilation, household appliances, decoration and other purposes; gaskets, washers, plugs, tubes, and parts subjected to chemical-thermal treatment of bushings, eyelets, rods; for the manufacture of parts by cold-forming steel has the ability to very deep drawing (VG); electrically welded tubes; wrapped soldered double-layer tubes for hydraulic system pipes combines, tractors, cars, refrigerators, enamelware, etc.; cold strip 0,05−4,00 mm, designed for bending, punching parts, manufacture of pipes, cored wire, parts, bearings and other metal products; details of electrical equipment of vehicles; electric cold pipes for propeller shafts of automobiles, tractors and machinery.
Note
Steel quality carbon structural magnetically soft. The degree of deoxidation — KP.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | GOST 1050-88, GOST 7417-75, GOST 8560-78, GOST 10702-78, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-1-3995-85, TU 14-11-245-88, TU 14-1-263-72, TU 14-1-1271-75, TU 14-136-367-2008 |
| Sheets and stripes | В33 | GOST 1577-93, GOST 4041-71, GOST 9045-93, GOST 13345-85, GOST 24244-80, TU 14-1-2039-77, TU 14-1-2456-78, TU 14-1-2473-78, TU 14-1-420-72, TU 14-1-4516-88, TU 14-1-5003-91, TU 14-15-117-83, TU 14-1-520-73, TU 14-1-524-73 |
| Pipes steel and connecting parts to them | В62 | GOST 3262-75, GOST 5005-82, GOST 8639-82, GOST 8642-68, GOST 8644-68, GOST 8645-68, GOST 8646-68, GOST 10704-91, GOST 10705-80, GOST 10707-80, GOST 11249-80, GOST 13663-86, GOST 13664-68, TU 14-3-1542-87, TU 14-3-1569-88, TU 14-3-1034-81, TU 14-3-1428-86, TU 14-3Р-63-2002, TU 1373-022-05757850-08, TU 1373-013-02949352-2003 |
| Tapes | В24 | GOST 3560-73 |
| Steel wire medium- and high-carbon | В72 | GOST 3920-70, GOST 7372-79, GOST 9389-75, GOST 9850-72, GOST 17305-91, GOST 26366-84 |
| Tapes | В34 | GOST 503-81, GOST 10234-77, GOST 19851-74, TU 14-1-754-73, TU 14-4-151-82, TU 14-1-1766-76, TU 14-1-3035-80, TU 14-1-357-72, TU 14-4-174-72 |
| Low-carbon steel wire | В71 | GOST 5663-79 |
| Sheets and stripes | В23 | GOST 82-70, GOST 14918-80, GOST 16523-97, GOST 19904-90, GOST 16523-89, GOST 16523-70, GOST 19903-90, TU 14-1-4695-89 |
| Sectional and shaped rolling | В22 | GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8319.0-75, GOST 9234-74, GOST 10551-75, GOST 11474-76, GOST 2590-2006, GOST 2879-2006, TU 14-2-341-78 |
| Bulls. Blanks. Slabs | В31 | OST 3-1686-90, TU 14-1-4944-90 |
| Non-ferrous metals, including rare metals, and their alloys | В51 | OST 4.021.009-92 |
| Tapes | В54 | TU 48-21-166-82 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu |
|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-1271-75 | ≤0.08 | ≤0.04 | ≤0.035 | ≤0.35 | ≤0.05 | ≤0.02 | ≤0.1 | The rest | ≤0.25 |
Fe is the basis.
According to GOST 1050-88, the nitrogen content is specified for the steel of the oxygen-converter method of smelting. For all other types of smelting, the nitrogen content was N ≤ 0.008%.
According to TU 14-1-1271-75 and TU 14-1-3995-85, the total content of sulfur and phosphorus should be ≤ 0.070%.
According to GOST 4041-71 the chemical composition is given for steel used for the production of flat products of the third category. Rental of 1-2 categories are made by chemical composition GOST 1050.
According to GOST 503-81, in the production of a soft rubber tape intended for the vacuum-vacuum industry, the mass fraction of carbon should not be more than 0.08%, sulfur and phosphorus - not more than 0.022% each.
According to TU 14-1-3995-85
According to GOST 1050-88, the nitrogen content is specified for the steel of the oxygen-converter method of smelting. For all other types of smelting, the nitrogen content was N ≤ 0.008%.
According to TU 14-1-1271-75 and TU 14-1-3995-85, the total content of sulfur and phosphorus should be ≤ 0.070%.
According to GOST 4041-71 the chemical composition is given for steel used for the production of flat products of the third category. Rental of 1-2 categories are made by chemical composition GOST 1050.
According to GOST 503-81, in the production of a soft rubber tape intended for the vacuum-vacuum industry, the mass fraction of carbon should not be more than 0.08%, sulfur and phosphorus - not more than 0.022% each.
According to TU 14-1-3995-85
Mechanical characteristics
| Section, mm | σB, MPa | d5, % | d4 | HRB |
|---|---|---|---|---|
| - | - | 1-3 | - | - |
| - | 17-76 | - | - | - |
| Tape flatted average strength of 0.1-4.0 mm according to GOST 10234-77 in the state of delivery (indicated delivery) | ||||
| - | 690-830 | - | - | - |
| List 3 categories of heat-treated | ||||
| - | 365 | ≥36 | - | - |
| Hot-rolled sheet in the delivery condition. Group strength К260В | ||||
| ≤2 | 260-380 | - | ≥25 | ≤60 |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| d4 | Elongation after rupture |
| HRB | Rockwell hardness (indenter steel, spherical) |
Physical characteristics
| Temperature | Е, ГПа | r, кг/м3 | l, Вт/(м · °С) | R, НОм · м |
|---|---|---|---|---|
| 0 | 203 | 7871 | 63 | 147 |
| 20 | 203 | 7871 | 63 | 147 |
| 1300 | - | - | 7 | - |
A description of the physical symbols
| Name | Description |
|---|---|
| Е | The normal elasticity modulus |
| l | Coefficient of thermal conductivity |
| R | UD. the resistivity |
| a | The coefficient of linear expansion |
Technological properties
| Name | The value |
|---|---|
| Weldability | Welded without restriction, except for the parts after chemical and heat treatment; welding methods: SMAW, ADS submerged arc and gas protection, the CCC. |
| Propensity to temper brittleness | Tend not. |
| Forging temperature | Start - 1250 °C, the end - of 800 °C. the cross Sections up to 300 mm are cooled in air. |
| Flock-sensitive sensitivity | not sensitive. |
| Workability by cutting | In the hot rolled condition when blower SB 131 and HB=315-410 MPa Kn TV.SPL.=Of 2.1 Kn b.St.=Of 1.65. |
