(2) Implementation standard: dance skills, WJX0 13-200 1? (Only Wugang has this brand of Wugang Xing Yuedong 15886787297)
(3) Delivery status: controlled rolling, normalizing, etc. ; ?
(4) Technical requirements: steel plates with flaw detection, thickness performance requirements Z 15-Z35, high strength and high toughness requirements, etc. ?
(5) Spot specifications and prices: details?
(6) Futures delivery date: normalized (50 days) and abnormal (25 days). If you want to shorten the delivery time, please consult in detail.
Chemical composition and mechanical properties of WH60
Xing Yuedong 15886787297 High-strength structural steel WH60 for construction machinery
1? application area
This technical specification is applicable to welded structural steel plates for construction machinery with a thickness not exceeding100 mm. ..
2? reference standard
GB/T222- 1984？ Chemical analysis of steel-Allowable deviation of sample method and chemical composition of finished products
Methods for chemical analysis of GB/T223 steel and alloy
GB/T228- 1987？ Metal tensile test method
GB/T229- 1994？ Metallic charpy notch impact test method
GB/T232-88 metal bending test method
GB/T247- 1997？ General provisions on acceptance, packaging, marking and quality certificate of steel plates and strips
GB/T709- 1988？ Size, shape, weight and allowable deviation of hot rolled steel plate and strip
GB/T2975- 1998？ Sampling position and sample preparation of steel and steel mechanical properties test
GB/T3274- 1988？ Carbon structural steel and low alloy steel hot rolled thick steel plate and strip
3? Size, shape, weight and allowable deviation
The size, shape, weight and allowable deviation of steel plate shall comply with the provisions of GB/T709.
4? technology
4. 1? chemical composition
The chemical composition of steel Xing Yuedong 15886787297 (melting analysis,%) shall conform to the provisions in Table 1.
Table 1
Change? Study? Become? Points,%
CSiMnPSCeq
≤
0. 18 ≤
0.55 ≤
1.60 ≤
0.025 ≤
0.20 ≤
0.50
Note: 1)? Other alloying elements can be added.
2)? The calculation formula of carbon equivalent (Ceq,%) is as follows: ceq (%) = c+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
4.2? Melting method
Electric furnace+external refining
4.3? condition of delivery
Steel plates are delivered in a controlled rolling or heat treatment state.
4.4? Mechanical and technical properties
The mechanical properties of the steel plate and the technological properties of Xing Yuedong 15886787297 of Wugang shall comply with the provisions in Table 2. ?
Table 2
Grade and specification tensile properties Akv, j, longitudinal bending test 180.
D= bending center diameter
A= sample thickness
σsu
MPaσb
Megapascal δ5
Megapascals 0℃-20℃-40℃
WH60A≤ 16≥460 560-
780 ≥
17d = 3a
> 16-35 ≥440
>35-50 ≥420
>50- 100 ≥400
c≤ 16≥460 560 ~
780 ≥
17 ≥
27d = 3a
> 16-35 ≥440
>35-50 ≥420
d≤ 16≥460 560-
780 ≥
17 ≥
27d = 3a
> 16-35 ≥440
>35-50 ≥420
e≤ 16≥460 560 ~
780 ≥
17 ≥
27d = 3a
> 16-35 ≥440
4.5? surface quality
The surface quality of steel plate shall comply with the provisions of GB/T3274.
5? test method
The inspection items, sampling quantity, sampling method and test method of each batch of steel plates shall comply with the provisions in Table 3.
Table 3
Sampling quantity (pieces) of serial number inspection items Sampling method Inspection method
1 chemical analysis 1 (number of cans per furnace) GB/T222 GB/T223
2 stretching 1 GB/T2975 GB/T228
3 Charpy impact
(V-notch) 3 GB/T2975 GB/T229
4 Bending 1 GB/T2975 GB/T232
6? Inspection rule
6. 1? Steel plates shall be accepted in batches. Each batch of steel plates consists of steel plates with the same heat number, thickness and delivery status, and the weight of each batch does not exceed 60 tons.
6.2? Steel plate inspection results can be reinspected.
6.2. 1? If the Charpy (V-notch) impact test results do not meet the requirements in Table 2, another group of three samples shall be taken from the same batch of steel plates for testing, and the arithmetic average value of the six samples before and after shall not be less than.
The specified value allows two samples to be less than the specified value, but only one sample is allowed to be less than 70% of the specified value.
6.2.2? The reinspection of other projects shall comply with the provisions of GB/T247.
7? Packaging, marking and quality certificate
The packaging, marks and quality certificates of steel plates shall comply with the provisions of GB/T247.
Steel grade thickness * width * length (mm) weight Spot fixed rolling Wugang Xing Yuedong 15886787297
Wh60a7 * 2200 *12200-180021.921t inventory of high-strength steel mills in Wugang.
Wh60a8 *1950-2400 * 6200-830016.05438+02t inventory of high-strength steel mills in WISCO.
WH60A9 * 2000-2100 * 6600-1090019.009T inventory of high-strength steel mills in Wugang.
Wh60a10 * 3200-2250 * 9000-9600 25.065t Wugang high-strength steel mill inventory
Wh60a11* 2000-2200 * 8850-100012.438+0t Wugang high-strength steel mill inventory.
Wh60a12 * 2200-2550 * 8200-10000 35.705t Wugang high-strength steel mill inventory.
Wh60a13 * 2000-2500 * 9000-1350 23 438+0t Wugang high-strength steel mill inventory
Wh60a14 *1710-2200 * 6000-1000013.123t Wugang high-strength steel mill inventory.
Wh60a15 * 2000-2440 * 6300-1100015.683t Wugang high-strength steel mill inventory.
Wh60a16 *1800-2650 * 5600-12000 34.01/t inventory of high-strength steel mills in Wugang.
Wh60a17 *1800-2600 * 8000-950019.256t Wugang high-strength steel mill inventory.
Wh60a18 * 2080-2500 * 7730-10000 32.5438+0t Wugang high-strength steel mill inventory
WH60A19 * 2000-2440 * 7000-12600 44.639 t inventory in high-strength steel plant of WISCO.
Wh60a20 * 2440-2620 *11260082.129t inventory of high-strength steel mills in Wugang.
WH60A20 *1600-2200 * 6600-9000 73.438+0t Wugang high-strength steel mill inventory
wh 60 ACD 2 1 * 2000-3090 * 1 100- 12000？ 2 13. 1 13T？ Inventory of high-strength steel mill in Wugang
WH60A？ Inventory of C 22 * 2440-2500 * 6100-12800193.078 t in high-strength steel plant of WISCO.
WH60A？ Inventory C23 *1870-2880 * 8000-12360 26.4438+0t Wugang high-strength steel plant.
Wh60a24 *1900-2500 * 6600-1100 33.973t Wugang high-strength steel mill inventory.
WH60A？ c？ E25 * 3080-3250 *1100012000172.4438+037 t inventory in high-strength steel plant of Wugang.
Wh60a25 *1720-2400 * 4600-12700182.16/t inventory of high-strength steel mills in Wugang.
Wh60a26 * 2020-3080 * 8900-120001kloc-0/2.607 t Wugang high-strength steel mill inventory.
Wh60a27 *1800-2500 * 9550-1285051.646t Wugang high-strength steel mill inventory.
WH60A？ Inventory of C28 * 2300-2440 * 6200-10000 67.768t in high-strength steel plant of WISCO.
Inventory of WH60A29 * 3230-2440 * 6200-1290036.53t in WISCO High Strength Steel Plant
Wh60a30 *1800-2660 * 6220-1070046.5438+03t inventory of high-strength steel mills in WISCO.
Wh60a31* 2270-3020 * 8500-10600 29.806t Wugang high-strength steel mill inventory.
Wh60a32 * 2370-2610 *10500-1750127.438+0t Wugang high-strength steel mill inventory.
Wh60a34 * 2440-2600 * 7656-12700 25.30t Wugang high-strength steel factory inventory.
wh60a 35 * 1800-3 150 * 5500-8500 39.438+0t。 Inventory of high-strength steel mill in Wugang
WH60A？ C 36 * 2250-2380 * 9200-9100130.806t Wugang high-strength steel mill inventory
WH60A？ E37 * 2300-3020 * 4300-23600116.706t inventory of high-strength steel mills in Wugang.
WH60A？ c？ D38 *1800-3020 * 8800-13600 43.499t Wugang high-strength steel mill inventory
WH60A？ C40 * 2300-2730 * 7000-9550 51.278t Wugang high-strength steel factory inventory.
Wh60a42 *1900-2600 * 8700-1123068.188t Wugang high-strength steel mill inventory.
WH60A43-44 * 2000-3000 *10000 Inventory of Wugang High Strength Steel Plant
Wh60a45 *1800-2400 * 6500-11000 73.815t Wugang high-strength steel mill inventory.
WH60A？ c？ Inventory of D46 * 2060-3200 * 7050-8850 29.289 t in high-strength steel plant of Wugang
Wh60a47 * 2550-2750 *12600-9500 69.438+007 t Wugang high-strength steel mill inventory.
WH60A？ c？ D50 * 2350-2550 *10800-9700181.793t Wugang high-strength steel mill inventory.
Wh60a52 * 2000-3080 * 8980-1210031.331t Wugang high-strength steel factory inventory.
WH60A53-55 * 2000-3000 *10000 inventory of high-strength steel plant of WISCO
Wh60a56 * 2000-2800 *11022.5438+0t Wugang high-strength steel factory inventory.
Inventory of WH60A58 * 2550-3000 * 8200-9950 38.32 t in high-strength steel plant of WISCO
WH60A？ C 60 *1800-2300 * 5900-8250 31.073t Wugang high-strength steel factory inventory.
Wh60a61-64 * 2000-3000 *10000 inventory of high-strength steel mills in WISCO
WH60A65 * 2000-2300 * 8460-10000 37.6438+0t Wugang high-strength steel mill inventory
WH60A66-69 * 2000-3000 *10000 Inventory of high-strength steel mills in WISCO
Wh60a70 * 2000-2120 * 8650-11000 71.763t inventory of high-strength steel mills in Wugang.
Wh60a71-74 * 2000-3000 *10000 inventory of high-strength steel mills in WISCO
Wh60a75 * 2600-1900 * 9900-10650 56.302t inventory of high-strength steel mills in Wugang.
Wh60a76 * 2000-2800 * 6850-1000 64.63t inventory of high-strength steel mills in Wugang.
WH60A77-79 * 2000-3000 *10000 Inventory of high-strength steel mills in WISCO
WH60A80 * 2000-2050 * 8000-9400 53.77 t Wugang high-strength steel mill inventory
WH60A82 * 2000-3050 * 9650-12000 The inventory of high-strength steel mills in Wugang is 67.946t.
Inventory of WH60A85 * 2220-2330 * 9950-1005033.886t in high-strength steel plant of WISCO.
WH60A86-89 * 2000-3000 *10000 Inventory of high-strength steel mills in Wugang
Wh60a90 * 2000-2240 * 9000-1300 56.683t inventory of high-strength steel mills in Wugang.
WH60A91-99 * * 2000-3000 *10000 Inventory of Wugang High Strength Steel Plant
Wh60a100 * 2000-2920 * 5500-9000 25.378t Wugang high-strength steel mill inventory
WH60A 100 above specifications are negotiated to determine the inventory of high-strength steel mills in Wugang.