GOST 17152-89
GOST 17152−89 Profiles hot-rolled steel for knives earthmoving machinery. General specifications
GOST 17152−89
Group B22
INTERSTATE STANDARD
PROFILES HOT-ROLLED STEEL FOR KNIVES EARTHMOVING MACHINERY
GENERAL SPECIFICATIONS
Steel hot-rolled shapes for cutting blades of earth-moving machines.
General specifications.
OKP 09 3100
Date of introduction 1991−01−01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of metallurgy
2. APPROVED AND put INTO EFFECT by Decision of the USSR State Committee on management of quality and standards from
3. The standard corresponds to the international standard ISO 7129−82 in terms of the limit deviations
4. REPLACE GOST 17152−71
5. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
Item number |
| GOST 8.326−89 |
4.6 |
| GOST 166−89 |
4.6 |
| GOST 380−94 |
1.8, 2.1.2 |
| GOST 427−75 |
4.6 |
| GOST 5639−82 |
2.1.4, 4.3 |
| GOST 6507−90 |
4.6 |
| GOST 7502−98 |
4.6 |
| GOST 7565−81 |
4.1 |
| GOST 7566−94 |
2.2, 3.2, 5.1 |
| GOST 8026−92 |
4.6 |
| GOST 12344−88* | 4.2 |
| _______________ * Standards 12344−2003. — Note the CODE. | |
| GOST 12345−2001 |
4.2 |
| GOST 12346−78 |
4.2 |
| GOST 12347−77 |
4.2 |
| GOST 12348−78 |
4.2 |
| GOST 12350−78 |
4.2 |
| GOST 12352−81 |
4.2 |
| GOST 12355−78 |
4.2 |
| GOST 12360−82 |
4.2 |
| GOST 14959−79 |
2.1.2 |
| GOST 17745−90 |
4.2 |
| GOST 18895−97 |
4.2 |
| GOST 22536.0−87 |
4.2 |
| GOST 22536.1−88 |
4.2 |
| GOST 22536.2−87 |
4.2 |
| GOST 22536.3−88 |
4.2 |
| GOST 22536.4−88 |
4.2 |
| GOST 22536.5−87 |
4.2 |
| GOST 22536.6−88 |
4.2 |
| GOST 22536.7−88 |
4.4 |
| GOST 22536.8−87 |
4.2 |
| GOST -88 22536.9 |
4.2 |
| GOST 22536.10−88 |
4.2 |
| GOST 22536.11−87 |
4.2 |
| GOST 27809−95 |
4.2 |
6. Limitation of actions taken by Protocol No. 5−94 of the Interstate Council for standardization, Metrology and certification (ICS 11−12−94)
7. REISSUE
This standard applies to hot-rolled steel profiles, designed for knives earthmoving machinery: bulldozers, scrapers, graders and graders, as well as to the dozer and grader blades equipment excavators, rollers and other earth moving machines.
1. THE MAIN PARAMETERS
1.1. The cross-sectional shape should conform to hell.1−3.
Damn.1. Profile N 1
Profile N 1
Damn.1
Damn.2. Profile N 2
Profile N 2
Damn.2
Damn.3. Profile N 3
Profile N 3
Damn.3
1.2. Sizes, maximum rejections of sizes, the cross-sectional area and weight of 1 m of the profile must correspond to the table.1−3.
Table 1
| Limit deviations, mm | |||||
| Marking profile | width |
thickness |
the thickness of the cutting edge |
The cross-sectional area, cm |
Weight 1 m of the section, kg |
| 150х16х6 |
A 1.6 -3,5 |
+0,5 A 1.0 |
+1,0 To 2.0 |
22,29 |
17,50 |
| 180х16х6 |
+1,5 -3,6 |
+0,2 -0,5 |
For 27, 07 |
21,25 | |
| 250х18х6 |
+1,7 -4,0 |
+0,2 -0,6 |
Of 42.51 | 33,37 | |
Table 2
| Limit deviations, mm | |||||
| Marking profile | width |
thickness |
the thickness of the cutting edge |
The cross-sectional area, cm |
Weight of 1 m of section, kg |
| 150х12х4 |
A 1.6 -3,5 |
+0,5 A 1.0 |
+1,0 To 2.0 |
16,94 |
13,30 |
| 180х16х6 |
For 27, 07 |
21,25 | |||
Table 3
| Limit deviations, mm | ||||||||
width |
thickness | |||||||
| Refer to the flow profile |
Improved accuracy |
Normal precision |
Improved accuracy |
Normal precision |
the thickness of the cutting edge |
|
The cross-sectional area, cm |
Weight of 1 m of section, kg |
| 155х12х3 |
3.0 a -1,5 |
+2,0 -4,0 |
±0,6 | +0,8 -0,5 |
+2,5 -0,5 |
350 |
16,25 |
12,76 |
| 180х12х6 |
±0,8 |
+1,0 To 2.0 |
440 |
21,88 | 17,17 | |||
| 180х18х6 |
30,26 |
23,75 | ||||||
1.3.Precision rolling profile N 3 produce:
increased accuracy — B;
conventional precision — V.
1.4. The corner radii, are not marked for hell.1−3 should not exceed 5.0 mm.
1.5. Curvature of 1 m of the profile must not exceed:
5 mm around the edge;
10 mm on the plane, and for profiles N 3 155х12х3 and 180х12х6 — 6 mm.
1.6. Profiles are produced:
the measured length;
multiple gauge length.
1.7. Maximum deviations along the length of the profiles dimensional and multiple lengths shall not exceed 50 mm.
1.8. Control the width and thickness of the profile is carried out at a minimum distance of 500 mm from the end of the profile. Other sizes controlled in bore rolls.
Examples of symbols:
Profile N 1, width 180 mm, thickness 16 mm and a thickness of a cutting edge of 6 mm according to GOST 380, of steel grade St5ps:
Profile N 1 180х16х6 — St5ps GOST 17152
Profile N 3 width of 155 mm, thickness of 12 mm and a thickness of the cutting edge 3 mm, high precision rolling (B) according to GOST 380, of steel grade St5sp:
Profile N 3 155х12х3 — B — St5sp GOST 17152
2. TECHNICAL REQUIREMENTS
2.1. Features
2.1.1. Profiles for knives earthmoving machinery manufactured from the steel grades:
65; 70; 75; 80; 85; 60G; 65G; 70G; St5ps — profile N 1;
65G — profile N 2;
St5sp; 65G; 70Г2 profile N 3.
2.1.2. The chemical composition of steel grades St5ps, St5sp should correspond to GOST 380, steel grade 65, 70, 75, 80, 85, 60G, 70G, 65G GOST 14959, 70Г2 — the standards specified in table.4.
Table 4
| Mass fraction of elements, % | |||||||
| Carbon |
Manganese |
Silicon |
Sulfur |
Phosphorus |
Chrome |
Nickel |
Copper |
| no more | |||||||
| Of 0.65−0.75 |
1,40−1,80 |
0,17−0,37 |
0,045 |
0,045 |
0,30 |
0,30 |
0,30 |
2.1.3. By agreement between manufacturer and consumer profiles of steel grades 65G 70Г2 and produce the content of elements in %:
| for the brand 70Г2 |
for 65G |
| carbon between 0.60 to 0.90; |
not more than 0,80; |
| manganese — 1.20 to 2.00 | not more than 1,40. |
The upper limits of the contents of carbon and manganese should not be the same.
2.1.4. The size of austenitic grain of steel grades 65G and 70Г2 should not be larger than 5 numbers according to GOST 5639.
2.1.5. Allowed by agreement between manufacturer and consumer in the production of profiles, steel, other brands.
2.1.6. Rentals are made without heat treatment.
2.1.7. Bundle rentals are not allowed.
2.1.8. On the surface of the profiles allowed Rabina, prints, risks, scratches, rolled dirt, rolling films, not deducing the size of the profile beyond the negative deviations, and sunsets with a depth of not more than 1 mm.
2.2 Labeling and packaging — according to GOST 7566.
3. ACCEPTANCE
3.1. Profiles accepted by the parties. The party should consist of the same size and same melting-ladle.
3.2. Rules of acceptance GOST 7566.
3.3. To check the quality of profiles taken from the party:
for chemical analysis — one sample from melting ladle;
size — 10%, but not less than 5 pieces;
for quality control of surfaces — profiles.
4. CONTROL METHODS
4.1. Methods of sampling to determine the chemical composition of the steel according to GOST 7565.
4.2. Chemical analysis according to GOST 12344 — 12348 GOST, GOST 12350, 12352 GOST, GOST 12355, 12360 GOST, GOST 17745, GOST 18835, GOST 22536.0 to GOST 22536.11, GOST 27809или other methods, approved in the established procedure and ensure the necessary accuracy of the analysis.
In case of disagreement between the manufacturer and the customer use the methods established in this standard.
4.3. The austenitic grain size is determined according to GOST 5639 — method of oxidation.
4.4. The surface quality check by inspection without the use of magnifying devices.
4.5. Stratification is controlled by the inspection of the edges. If necessary, the quality of the metal on the edges of the check a removal of chips, wherein the chip splitting is a sign of a defect of the metal.
4.6. The geometric dimensions and the shape of the profile is checked using measuring instruments according to GOST 166, GOST 427, GOST 6507, GOST 7502, GOST 8026 or instruments, certified according to GOST 8.326*
________________
* On the territory of the Russian Federation there are PR 50.2.009−94.
5. TRANSPORTATION AND STORAGE
5.1. Transportation and storage — by GOST 7566.
