GOST R 51393-99
GOST R 51393−99 cold rolled and formed sections made of corrosion-resistant steel for car building. Specifications
GOST R 51393−99
Group B33
STATE STANDARD OF THE RUSSIAN FEDERATION
THE COLD ROLLED SHEETS AND DECKS COLD-SHAPED SECTIONS OF CORROSION-RESISTANT STEEL FOR CAR BUILDING
Specifications
Corrosion-resistant steel cold rolled sheets and decks cold-shaped sections for carriage building. Specifications
OKS 77.140.20
OKP 09 9300, 11 2100
Date of introduction 2000−07−01
Preface
1 DEVELOPED AND INTRODUCED by the Russian research Institute of railway transport (VNIIZHT), Central research Institute of ferrous metallurgy (Tsniichermet), JSC «Tver car-building plant» (JSC TVZ), JSC «Chelyabinsk metallurgical plant» (JSC Mechel), JSC «Magnitogorsk metallurgical combine"
2 ADOPTED AND put INTO EFFECT by the Resolution of Gosstandart of Russia from December 16, 1999 N 519-St
3 INTRODUCED FOR THE FIRST TIME
4 REISSUE
Introduction
This standard is developed for the first time and establishes the technical requirements to the rolled sheet and cold-formed corrugated profiles of corrosion-resistant steel intended for the manufacture of bodies for railway rolling stock.
The specificity of work, increased requirements to reliability of railway rolling stock, a significant amount of consumption of rolled products and cold-formed profile made of corrosion-resistant steel and features technical requirements to hire, make appropriate allocation of this market share into a separate subgroup and the development of its supply of certain state standard.
1 Scope
1.1 this standard applies to cold-rolled steel sheet and formed sections made of corrosion-resistant steel, intended for the manufacture of oblivi and frame of body of passenger cars.
1.2 the Standard specifies requirements for steel grades, mechanical properties, surface quality of rolled products, which is a workpiece for the manufacture of cold-formed sections and welded panels, as well as to the shape, size, workmanship, and surface condition of roll-formed (corrugated) profile.
2 Normative references
The present standard features references to the following standards:
GOST 427−75 Rulers measuring metal. Specifications
GOST 2789−73 surface Roughness. Parameters and characteristics
GOST 3560−73 package steel Strip. Specifications
GOST 5582−75 rolled sheet corrosion-resistant, heat-resistant, heat-resistant. Specifications
GOST 5632−72 high-alloy Steels and alloys corrosion-resistant, heatresistant and heat-proof. Brand
GOST 6009−74 hot-rolled steel strips. Specifications
GOST 6032−89* Steels and alloys corrosion-resistant. Methods of test for resistance to intergranular corrosion
______________
* On the territory of the Russian Federation GOST 6032−2003, here and hereafter. — Note the manufacturer’s database.
GOST 6507−90 Micrometers. Specifications
GOST 7502−89* metallic measuring tape. Specifications
______________
* On the territory of the Russian Federation GOST 7502−98, here and hereafter. — Note the manufacturer’s database.
GOST 7565−81 Iron, steel and alloys. Method of sampling for chemical composition
GOST 7566−94 metal Products. Acceptance, marking, packing, transportation and storage
GOST 11474−76 steel sections. Specifications
GOST 11701−84 Metals. Methods tensile tests of thin sheets and strips
GOST 14019−80* Metals. Methods of bend test
_______________
* On the territory of the Russian Federation GOST 14019−2003, here and hereafter. — Note the manufacturer’s database.
GOST 19904−90 cold-rolled steel sheets. Assortment
GOST 21650−76 means of fastening of package cargoes in transport packages. General requirements
GOST 24597−81 the packaged goods. Basic parameters and dimensions
GOST 26877−91 metal Products. Methods of measuring form deviations of
3 Definitions
In this standard use the following terms with respective definitions:
3.1 corrosion-resistant steel: Steel containing at least 12% chromium and optionally Nickel alloy, titanium, molybdenum, nitrogen, manganese, copper, depending on the degree of aggressiveness of the working environment and requirements for mechanical properties.
3.2 sheet rental: Rental product, supplied in sheets (rolls) with a thickness of less than 3 mm.
3.3 cold-formed corrugated profile: a Long product with a longitudinal semi-circular or trapezoidal corrugations cross section is the same along the entire length, manufactured from cold-rolled sheet rolled, thermally treated and pickled or after bright annealing.
4 Assortment
4.1 cold-formed corrugated profiles in shape, dimensions, limit deviations on dimensions shall conform to the standards shown in figures 1−5 and in table 1.
Figure 1 — Profile 840х21х1,5, ГЛ4−218; profile 840х21х2,0, ГЛ4−219
Figure 1 — Profile 840х21х1,5, ГЛ4−218; profile 840х21х2,0, ГЛ4−219
Figure 2 — Profile 1095х45х21х1,5, ГЛ4−220A
Figure 2 — Profile 1095х45х21х1,5, ГЛ4−220A
Figure 3 — Profile 942х21х2,0, ГЛ4−221; profile 940х21х2,0 ГЛ4−231
Figure 3 — Profile 942х21х2,0, ГЛ4−221; profile 940х21х2,0 ГЛ4−231
Figure 4 — Profile 557х21х1,5, ГЛ4−238
Figure 4 — Profile 557х21х1,5, ГЛ4−238
Figure 5 — Profile 910х22,5x1,5, ГЛ4−216
Figure 5 — Profile 940х22,5x1,5, ГЛ4−216
Table 1
Dimensions are in millimeters
| Profile size |
Symbol profile |
The theoretical width of the workpiece |
Weight 1 TDG. m, kg | ||||||
| 942х21х2,0 |
ГЛ4−221 |
942 |
23 |
21 |
2,0 |
120 |
100 |
1045,19 |
16,41 |
| 940х21х2,0 |
ГЛ4−231 |
940 |
1017,72 |
15,99 | |||||
| 840х21х1,5 |
ГЛ4−218 |
840 |
22,5 |
1,5 |
125 |
108 |
957,36 |
Of 11.27 | |
| 840х21х2,0 |
ГЛ4−219 |
23 |
2,0 |
959,1 |
15,05 | ||||
| 1095х45х21х1,5 |
ГЛ4−220A |
1095 |
45 |
1,5 |
- |
75 |
1262,09 |
14,86 | |
| 557х21х1,5 |
ГЛ4−238 |
557 |
22,5 |
120 |
55 |
639,36 |
Of 7.53 | ||
| 910х22,5x1,5 |
ГЛ4−216 |
910 |
250 |
80 |
988,24 |
11,64 |
It is possible to produce profiles with other dimensions according to the drawings agreed between the consumer and manufacturer.
4.2 maximum deviations in thickness of sections should correspond to the limit deviations on thickness of cold-rolled steel sheet width 1250 mm normal accuracy (BT), width — high precision (TS), with cut edge (On) the graveyard 19904.
Maximum deviations in thickness of the profiles do not extend to the places of bending.
4.3 the Profiles must be supplied in lengths up to 12,000 mm. By agreement of the parties allow for the production of cold-formed profiles are different lengths.
4.4 pre-painted steel Sheet that serves as a blank for profiles, manufactured in cold-rolled condition in thicknesses from 0.8 to 3.0 mm, width from 55 to 1500 mm, in coils weighing up to 20 t Shape, dimensions and limit deviations of the dimensions of the coils must comply with the requirements of GOST 19904.
Rolled in rolls of a width from 55 to 500 mm are made with extreme deviations for thickness and width according to GOST 19904 (tables 2 and 4).
Examples of symbols:
Rolled in coils of 1,0х640 mm, normal precision manufacturing: thickness (BT), a high-precision width (VSH), with cut edges (O), group of quality surface M2a of steel 08KH18N10T:
The corrugated profile with a thickness of 2.0 mm, a width of 942 mm, a corrugation height of 21 mm, high precision profiling (A) and the quality of the surface M2a of steel 12X18H10T:
Profile A-942х21х2,0 12KH18N10T-M2a GOST R 51393−99
The corrugated profile thickness of 1.5 mm, a width of 1095 mm, height of corrugation of 45 mm, profile depth 21 mm, normal precision profiling (B) the quality of the surface M3A of steel 12X18H10T:
Profile B-1095х45х21х1,5 12KH18N10T-M3A GOST R 51393−99
5 Technical requirements
5.1 Chemical composition of steel grades 08X18H10, 08X18H10T and 12X18H10T should correspond to GOST 5632.
5.2 pre-painted steel Sheet that serves as a workpiece for the manufacture of sections should be:
5.2.1 the state of the metal: cold — rolled heat-treated and etched or after bright annealing;
5.2.2 accuracy of manufacturing:
— thickness — BT (normal);
— width — VSH (high);
5.2.3 by type of edges — cut (O);
5.2.4 the surface quality of hire to meet the requirements of GOST 5582, group of a surface M2a and M3A. By agreement with the consumer allowed supply rental group surface quality М4а, but not more than 40% of the volume of the party.
5.3 cold-formed sections shall comply with:
5.3.1 the quality of the surface to the requirements of 5.2.4 of this standard. The corrugated sections 942х21х1,5, 557х21х1,5, 1095х45х21х1, and 840х21х1 5 mm, 5 mm are made of cold rolled sheets after bright annealing with the requirement surface according to the band M2a according to GOST 5582;
5.3.2 accuracy of profiling:
— high (A), the waviness profile shelves should be no more than 1 mm per 1 m of length, the deflection profile in the longitudinal direction is not more than 1 mm per 1 m of length, torsion around the longitudinal axis is not more than 1 mm per 1 m of length, but not more than 10 mm to the length of the profile deviation of the profile dimensions for height — not more than 1.5 mm;
— regular (B) wherein the shelves waviness profile should not exceed 2 mm per 1 m of length, the deflection profile in the longitudinal direction is not more than 1 mm per 1 m of length, torsion around the longitudinal axis is not more than 1 mm per 1 m of length, but not more than 10 mm to the length of the profile deviation of the profile dimensions for height — not more than 2 mm.
The length of the profiles — 12.0 m maximum deviation in length ±80 mm. maximum deviations of other dimensions indicated in the figures 1−5.
5.3.3 Marginal waviness shelves for profiles with thickness up to 2.5 mm should not be more than 2 mm per 1 m of length with the greatest width of the shelf.
5.4 In slices rolled and profiles should not be bundles. Macrostructure of steel shall not have traces of shrinkage, cracks, bubbles, inclusions.
5.5 Mechanical properties and requirements for the bend in the rolled delivery condition and profile must conform to the standards given in table 2.
Table 2
| Steel grade |
The condition of the rental |
Tensile strength |
Yield strength |
Take |
Bending |
| not less than | |||||
| 12KH18N10T |
Heat treatment (recommended): quenching at 1050−1080 °C, cooling in water or air |
530 (54) |
205* (21) |
40 |
|
| 08KH18N10T |
520 (53) |
||||
| 08X18H10 |
510 (52) |
45 |
|||
| * Optional rules to accumulate the data. | |||||
5.6 the surface profile is not permitted Rabina, scratches, fingerprints, nicks, risks.
5.7 By agreement of the parties pre-painted steel sheet and corrugated profiles deliver with a check for the absence of tendency of steel to intergranular corrosion and with a normalized surface roughness.
6 acceptance Rules
6.1 the hire taking parties. The party must consist of rental of one melting, one state of the material, one thickness, one mode of heat treatment.
By agreement with a consumer party may consist of multiple heats of the same steel grade, same thickness and same treatment.
Profiles accepted by the parties. The party should consist of melting profiles one, same size and precision profiling.
6.2 To check the quality of the rolled products and profiles from the party taken:
for surface quality, cuts, sizes, shapes, macrostructure — every roll, every profile;
— for chemical analysis — samples according to GOST 7565;
— for testing tensile, bending, determination of surface roughness, the tendency to intercrystalline corrosion — two rolls, two profiles.
The manufacturer of the profile is allowed to make a test on intercrystalline corrosion (ICC). In the document about the quality of the profiles indicate the result of the test at the IWC of hire.
6.3 If unsatisfactory test results of at least one of the indicators, repeat tests performed on the sample selected according to GOST 7566.
7 test Methods
7.1 the Chemical analysis is carried out in accordance with the requirements of GOST 5582.
7.2 the thickness of the rolled products and profiles measured with a micrometer according to GOST 6507 linear dimensions — measuring tape according to GOST 7502, metal ruler according to GOST 427 or other measuring tools to ensure accuracy set forth by this standard.
Deviations of the shape of sheets and profiles are measured in accordance with GOST 26877металлической ruler according to GOST 427 or other measuring tools to ensure accuracy set forth by this standard.
7.3 surface Quality is checked visually without the use of magnifying devices. The differences in the assessment of the depth of the defects guided by the requirements of GOST 5582.
7.4 Control of the thickness and width of rolled coils is carried out at a distance not less than the length of one turn from the end of the roll, not less than 5 mm from the edge.
The dimensions of the profiles are tested according to GOST 11474.
7.5 For testing tensile, bending, determination of surface roughness, the tendency to intergranular corrosion is taken one sample from each of the control coil or the profile in the delivery state.
7.6 tensile Test at a temperature of 20 °C with tolerances of plus 15, minus 10 °C is carried out according to GOST 11701 on samples with an initial estimated length of 
20 mm.
7.7 Test bending — according to GOST 14019.
7.8 Test on intercrystalline corrosion — according to GOST 6032, method AM.
7.9 Lack of Bicycle inner defects specified in 5.4, provided the manufacturing technology of the rental.
Stratification controlled visually on the edges of the rolled profile.
7.10 surface Roughness check the profilers, profiling, optical devices or work samples in accordance with the requirements of GOST 2789.
7.11 For tensile testing and the absence of susceptibility to intergranular corrosion is allowed to apply the statistical method of control according to the agreed with the customer the method of the manufacturer.
8 Packing, marking, transportation and storage
8.1 Packaging, labeling, transportation and storage — by GOST 7566.
8.2 the supply Rolls without winding the paper between the turns and without packaging soft materials. It is possible to supply the coils with the retrieve of paper. Coil weight per 1 mm of width not less than 2.0 kg.
8.3 Profiles are Packed in bundles weighing up to 10 T. the Requirements for weight and consolidation of packages — according to GOST 24597 and GOST 21650.
The straps produce a wrapping tape according to GOST and GOST 3560 6009.
8.4 Marking applied on a metal card the size of 200х300 mm, which is firmly attached to the packaging tape on the top of the pile profile.
8.5 rental and profiles are transported by rail in accordance with the rules of carriage, conditions of loading and fastening of goods, approved by Ministry of Railways or road transport.
The electronic text of the document
prepared by JSC «Code» and checked by:
the official publication of the
High quality steel: Sat. Standards. -
M.: IPK Publishing house of standards, 2002
