TU 14-1-2683-79 - welding wire
ORGANIZATION P.O. BOX G-4838 OKP 12 2100 AGREED: HEAD OF THE ORGANIZATION P.O. Box R-6261 (POTEKHIN P.N.) "23" 197 |
621.791.042.4:669.14 UDC Group B05 I APPROVE: Chief Engineer of the ORGANIZATION P.O. Box R-6732 (KUDTYGIN V.S.) "23" 197 |
STEEL WELDING WIRE
BRAND: Sv-20HSNVFA (EP324), Sv-20HSNVFA-VD
(EP324U-VD) and Sv-28Х3SNMVFA-VD (EP835-VD)
Technical conditions
TU 14-1-2683-79
(replaces TU 14-1-467-72 )
The term of introduction is 01.12.79. For the term until 01.12.84.
AGREED: HEAD OF THE ORGANIZATION P.O. Box A-1795 (MASLYUKOV Y.D.) "23" 197 DEPUTY MANAGER OF THE ENTERPRISE P.O. Box R-6762 (ERMOLENKO A.P.) «02» 08 1977 ACTING CHIEF ENGINEER OF THE ENTERPRISE P.O. Box A-7845 (ZHUCHIN V.N.) «27» 06 1977 HEAD OF STANDARDIZATION LABORATORY Central Research Institute of Human Microbiology (KOLYASNIKOVA R.I.) «01» 06 1977 |
DEVELOPED BY: Chief Engineer of the ENTERPRISE P.O. Box A-7882 (POPOV E.F.) «06» 06 197 |
These technical conditions apply to steel welding wire of the following grades: Sv-20KhSNVFA (EP324), Sv-20KhSNVFA-VD (EP324U-VD) and Sv-28Kh3SNMVFA-VD (EP835-VD), intended for welding parts made of high-strength steels.
1. Assortment
1.1. The wire is supplied with a diameter from 1.0 to 6.0 mm. Diameters, maximum deviations in diameters and ovality of the wire in accordance with GOST 2246-70, for welding.
1.2. The wire is supplied in coils, the internal diameter and weight of the coil in accordance with GOST 2246-70.
2. Technical requirements
2.1. The chemical composition of steel grades: Sv-20KhSNVFA (EP324), Sv-20KhSNVFA-VD (EP324U-VD) and Sv-28Kh3SNMVFA-VD (EP835-VD) must correspond to that given in Table 1.
2.2. The tensile strength of the wire must comply with the requirements of GOST 2246-70.
2.3. Characteristics of the wire surface in accordance with GOST 2246-70.
Traces of soap grease (without graphite, sulfur and other impurities) are allowed.
3. Test methods and acceptance rules
3.1. Test methods and acceptance rules for wire in accordance with GOST 2246-70.
4. Marking, packaging, transportation and storage
4.1. Marking, transportation and storage of wire in
| TU 14-1-2683-79 | ||||||||
| Change | Sheet | Doc. No. | Subp. | Date | ||||
| Developer. | Technical conditions WELDING STEEL WIRE GRADES: Sv-20KhSNVFA (EP324), Sv-20KhSNVFA-VD (EP324U-VD) and Sv-28Kh3SNMVFA-VD (EP835-VD) |
Lit. | Sheet | Sheets | ||||
| prov. | B | 2 | 7 | |||||
| counter. | ||||||||
| approved | ||||||||
| Inv. No. | Sub. and date | Exchange inv. No. | Inv. No. duplicate. | Sub. and date |
Table 1.
| Steel grade | Content of elements, in %% | |||||||||||
| Carbon | Silicon | Manganese | Chromium | Nickel | Tungsten | Vanadium | Molybdenum | Copper | Sulfur | Phosphorus | Sulfur+ +phosphorus | |
| Sv-20HSNVFA (EP324) | 0.17 0.22 |
0.80 1.20 |
0.50 0.80 |
0.80 1.20 |
0.80 1.20 |
0.50 1.00 |
0.05 0.15 |
- | no more | |||
| 0.15 | 0,010 | 0,015 | 0.022 | |||||||||
| Sv-20HSNVFA-VD (EP324U-VD) | 0.17 0.22 |
0.80 1.20 |
0.50 0.80 |
0.80 1.20 |
0.80 1.20 |
0.50 1.00 |
0.05 0.15 |
- | 0.10 | 0.008 | 0,012 | 0,015 |
| Sv-28Х3SNMVFA-VD (EP835-VD) | 0.25 0.30 |
0.90 1.20 |
0.50 0.80 |
2.80 3.20 |
0.90 1.20 |
0.80 1.20 |
0.05 0.15 |
0.35 0.50 |
0.10 | 0.008 | 0,012 | 0,017 |
| Notes: |
|
| TU 14-1-2683-79 | Sheet | |||||
| 3 | ||||||
| Change | Sheet | Doc. No. | Signature | Date |
| Inv. No. | Sub. and date | Exchange inv. No. | Inv. No. duplicate. | Sub. and date |
in accordance with GOST 2246-70.
4.2. Before packaging, the wire coils are preserved with grease of the I-20A brand in accordance with GOST 20799-75.
After lubrication, the wire coils are wrapped in waterproof packaging paper according to GOST 8828-61 or packaging paper (bitumen) according to GOST 515-56, or similar paper and packed in container fabric (textile tape) or synthetic film, followed by wire binding, which prevents the packaging from unwinding.
4.3. The blank for wire production is supplied according to technical specifications TU 14-1-1213-75 in a 38 mm square, with the 1st surface group.
Note: Prices for products are approved by the USSR State Price Committee and are published in an addendum to the price list.
Registered by TsNIIchermet: 24.05.79 . Head of the Department of Standardization of Ferrous Metallurgy L.V. Meandrov |
| TU 14-1-2683-79 | Sheet | |||||
| 4 | ||||||
| Change | Sheet | Doc. No. | Signature | Date |
| Inv. No. | Sub. and date | Exchange inv. No. | Inv. No. duplicate. | Sub. and date |
Appendix 1
to TU 14-1-2683-79
(informative)
SCROLL
technical documentation to which references are made
in the text of the technical specifications
| Designation | Name |
GOST 2246-70 TU 14-1-1213-75 |
Steel welding wire. Hot-rolled and forged square and rectangular blanks made of high-quality, carbon, alloyed and high-alloyed steel with special properties. |
| Inv. No. | Sub. and date | Exchange inv. No. | Inv. No. duplicate. | Sub. and date |
5.
Form 3.1A
Appendix 2 to TU 14-1-2683-79
(required)
| Name of the type of product according to NTD | Product type code according to VGK OKP | |||||||||
Steel welding wire grades: Sv-20HSNVFA (EP324), Sv-20HSNVFA-VD (EP324U-VD) and Sv-28H3SNMVFA-VD (EP835-VD) |
| |||||||||
| Blocks according to OKP | Designation according to NTD | OKP code | ||||||||
| Steel grades | Sv-20HSNVFA Sv-20HSNVFA-VD Sv-28Kh3SNMVFA-VD |
5708 5709 5706 | ||||||||
| Profiles | wire GOST 2246-70 |
8175 | ||||||||
| Technical requirements | TU 14-1-2683-79 | 5040 | ||||||||
| Order forms and delivery conditions | skeins standard masses | 31 | ||||||||
Calculation of codes checked:
Head of the Standardization Department Group
Sukhova N.P.
6.
CHANGE REGISTRATION SHEET VIFS No. TU 14-1-2683-79 | ||||
| Document name | Deadline for the introduction of the document | What points of the TU have been amended? | Registration of a document in VIFS | |
| date | number | |||
7.
OKP APPROVED by the manufacturing organization «09» 04 1984 AGREED with basic organization according to standardization «03» 05 1984 with the customer «21» 03 1984 Right: |
UDC Group B05 |
STEEL WELDING WIRE
BRAND: Sv-20HSNVFA (EP324), Sv-20HSNVFA-VD
(EP324U-VD) and Sv-28Х3SNMVFA-VD (EP835-VD)
TECHNICAL SPECIFICATIONS
TU 14-1-2683-79
(Change No. 1)
Valid from 08.06.84
to
1. The validity period of the technical conditions has been extended until 01.05.89.
2. Supplement the preamble with the following wording: "The technical level indicators established by these technical conditions are provided for the first quality category."
3. Section 4, paragraph 4.2.
In paragraph 4.2, after the word "packed", add the words: "packaging fabric (textile tape) or". Replace GOST 515-56 with GOST 515-77, GOST 8828-61 with GOST 8828-75.
4. Note: write in the new edition: "Wholesale prices are included in reference book No. 17-64/17 to price list No. 01-17, 1980 edition."
Registered: 08.05.84
OKP 12 2100 APPROVED in the prescribed manner «28» 03 1988 AGREED in the prescribed manner with interested organizations «21» 01 1988 Right: |
Group B05 |
STEEL WIRE WELDING GRADES
Sv-20HSNVFA (EP324), Sv-20HSNVFA-VD
(EP324U-VD) and Sv-28Х3SNMVFA-VD (EP835-VD)
TECHNICAL SPECIFICATIONS
TU 14-1-2683-79
Change #2
Valid from 01.06.88
to
Change #2
to TU 14-1-2683-79
1. The validity period of the technical conditions is extended until 01.05.94.
2. Section 3 shall be supplemented with subparagraph 3.1.1 as follows:
"3.1.1. The wire diameter is measured with a micrometer GOST 6507-78."
3. In section 4, paragraph 4.3 shall be set out as follows:
"4.3. The blank for wire production is supplied in squares of 38, 125, 140 and 145 mm with the 1st surface group according to TU 14-1-1213-75, in accordance with the order.
The blank in a square of 140 and 145 mm is supplied in a length of not shorter than 1.0 m".
REGISTERED 12.04.88
