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1. Introduction of SA662GrC hot-rolled steel plate:
1. SA662GrC hot-rolled steel plate is a carbon-manganese-silicon steel plate for high-temperature pressure vessels, which is one of the materials specified in the American Standard ASTM A662/ A662M standard. The steel plate has good high temperature resistance and excellent ductility, and is suitable for manufacturing various high temperature pressure vessels, such as boilers, pressure vessels and fireside mechanical equipment, etc.
2. The chemical composition of hot-rolled steel sheets mainly includes carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S) and other elements. Its mechanical properties include tensile strength, yield strength, elongation and so on. According to the ASTM A662/A662M standard, the tensile strength of SA662GrC hot-rolled steel plate is about 485-620 MPa, the yield strength is about 275 MPa, and the elongation at room temperature is above 18%.
3. SA662GrC hot-rolled steel plate has excellent welding performance and can be processed by common welding methods such as arc welding and gas shielded welding. For the use and processing of this steel plate, it is necessary to strictly follow the relevant design specifications, process requirements and welding processes to ensure safety and reliability.
4. In short, hot-rolled steel plate is a high-quality steel used in the manufacture of high-temperature pressure vessels. It has good high-temperature performance and welding performance, and is widely used in boilers, pressure vessels and other industries.
2. Standards for hot-rolled steel sheets:
1. The standard for SA662GrC hot-rolled steel plate is the ASTM A662/A662M standard formulated by the American Society for Testing and Materials (ASTM). This standard specifies the requirements and test methods for carbon-manganese-silicon steel plates used in medium and low temperature pressure vessels, including SA662GrC hot-rolled steel plates.
2. The ASTM A662/A662M standard specifies the chemical composition, mechanical properties, impact properties, and appearance quality of SA662GrC hot-rolled steel sheets in detail. Through inspection and testing in accordance with this standard, the quality and performance of SA662GrC hot-rolled steel plates can be guaranteed to meet the design and use requirements, thereby ensuring the safe operation of high-temperature pressure vessels.
3. The chemical composition of SA662GrC hot-rolled steel plate is as follows:
- Carbon (C): maximum 0.20%
- Manganese (Mn): 0.90-1.40%
- Silicon (Si): 0.15-0.50%
- Phosphorus (P): maximum 0.035%
- Sulfur (S): maximum content 0.035%
- Iron (Fe): remaining ingredients
4. Performance parameters of SA662GrC hot-rolled steel plate
1. Strength characteristics:
- Yield strength (YS): min. 295 MPa
- Tensile strength (UTS): 550-690 MPa
- Elongation (EL): min. 18%
2. Impact toughness:
- Impact absorbed energy (KV): min. 27 J (-20°C)
3. Hardness:
- Brinell hardness (HB): 200 HB maximum
4. Stability of chemical composition:
- High temperature stability: After low temperature heat treatment, the stability and performance of the chemical composition remain unchanged.
5. SA662GrC hot-rolled steel plate production process and process
1. Raw material preparation: choose suitable raw materials, such as billet or molten steel. The composition of steel should meet the chemical requirements of SA662GrC hot-rolled steel plate.
2. Heat treatment: Heat the billet or molten steel to reach a suitable temperature range.
3. Rolling: Roll the heat-treated billet through a rolling mill to gradually reduce the thickness of the steel and obtain the desired shape of the plate.
4. Heat treatment: Heat treatment of the rolled steel plate, including quenching and tempering, to obtain the required mechanical properties and structure.
5. Straightening and cutting: Straightening and cutting the heat-treated steel plate to make it reach the specified size and shape.
6. Surface treatment: according to the need, carry out surface treatment on the steel plate, such as derusting, painting, etc., to improve its surface quality and corrosion resistance.
7. Inspection and quality control: Various inspections are carried out during the production process, such as chemical composition analysis, mechanical performance test, ultrasonic inspection, etc., to ensure that the steel plate meets the relevant standards and requirements.
8. Packaging and storage: The finished steel plate is packaged and properly labeled and stored to ensure that the steel plate is not damaged during transportation and storage.
6. Application of SA662GrC hot-rolled steel plate
1. Boilers and pressure vessels: SA662GrC hot-rolled steel plates are commonly used in the manufacture of various types of boilers and pressure vessels, such as steam generators, storage tanks, reactors, etc. Because of its good high temperature resistance and pressure resistance, it can meet the requirements.
2. Pressure pipeline: SA662GrC hot-rolled steel plate is also often used to manufacture various types of pressure pipelines, including oil pipelines, natural gas pipelines, hot water pipelines, etc. Its strength and corrosion resistance make it suitable for conveying systems in high pressure and high temperature environments.
3. Chemical equipment: SA662GrC hot-rolled steel plate is widely used in chemical equipment manufacturing, such as manufacturing chemical reactors, heat exchangers, separators and other equipment, which can withstand various chemical media and high temperature and high pressure conditions.
4. Nuclear power equipment: Because SA662GrC hot-rolled steel plate has good nuclide material properties and radiation resistance, it is also often used in nuclear reactor pressure vessels and nuclear fuel elements in nuclear power plants.
Zhengde hot-rolled steel coil manufacturers use slabs (mainly continuous casting slabs) as raw materials, and after heating, they are made into strip steel by rough rolling units and finishing rolling units. The hot steel strip coming out of the last rolling mill of finishing rolling is cooled to the set temperature by laminar flow, and rolled into steel strip coils by the coiler. The cooled steel strip coils undergo different finishing operations according to the different needs of users. Line (leveling, straightening, cross-cutting or longitudinal cutting, inspection, weighing, packaging and marking, etc.) are processed.
type
Chinese enterprise standard
fairly international standard
illustrate
Standard
Grade
Standard
Grade
Hot rolled low carbon steel
Q/BQB 302
SPHC
JIS G3131
SPHC
Suitable for the manufacture of cold-formed parts.
SPHD
SPHD
SPHE
SPHE
StW22
DIN 1614
StW22 (DD11)
StW23
(EN10111)
STW23 (DD12)
StW24
StW24 (DD13)
general structural steel
Q/BQB 303
SS 330
JIS G3101
SS 330
It is used for general structural parts such as buildings, bridges, ships, and vehicles.
SS400
SS400
SS 490
SS 490
SS 540
SS 540
St 33
DIN 17100
St 33 (S185)
St 37-2
(EN10025)
St 37-2 (S235JR)
St 37-3
St 37-3 (S235JO)
St 44-2
St 44-2 (S275JR)
St 50-2
St 50-2 (E295)
St 52-3
St 52-3 (S355JO)
steel for welded structures
Q/BQB 303
SM400A
JIS G3106
SM400A
It is used for structural parts requiring excellent welding performance, such as buildings, bridges, ships, vehicles, oil tanks, and engineering machinery.
SM400B
SM400B
SM400C
SM400C
SM490A
SM490A
SM490B
SM490B
SM490C
SM490C
SM490YA
SM490YA
SM490YB
SM490YB
SM520B
SM520B
SM520C
SM520C
B520JJ
---
---
Concrete mixer truck cylinder with hot rolled steel plate.
Welten590RE
NSC
Welten590RE
Weldable high-strength steel plates are used for pressure vessels, oil tanks, construction machinery, mining machinery, pressure water pipes, etc.
B590GJA
---
---
B590GJB
Mechanical structural steel
Q/BQB 303
C22
DIN 17200
C22
It is used for mechanical structural parts after cutting and other processing and heat treatment.
C35
JIS G4501
C35
S20C
S20C
S35C
S35C
Fine Grain Structural Steel
---
StE255
DIN 17102
StE255
Fine grained structural steel suitable for welding.
StE355
StE355
steel strip for steel pipe
Q/BQB 303
SPHT1
JIS G3132
SPHT1
For welding steel pipes.
SPHT2
SPHT2
SPHT3
SPHT3
Automotive Structural Steel
Q/BQB 310
SAPH 310
JIS G3113
SAPH 310
Used for automotive structural parts such as automotive frames and wheels that require formability.
BZJ 311
SAPH 370
SAPH 370
BZJ 312
SAPH 400
SAPH 400
BZJ 313
SAPH 440
SAPH 440
BZJ 314
QStE 340TM
SEW 092
QStE 340TM (---)
Hot-rolled granular steel for cold deformation, used for structural parts such as automobile beams that require good cold forming performance and high or high strength requirements.
QStE 380TM
(EN10149-2)
QStE 380TM (---)
QStE 420TM
QStE 420TM (S420MC)
QStE 460TM
QStE 460TM (S460MC)
QStE 500TM
QStE 500TM (S500MC)
B330CL
---
---
It has good cold forming performance, and is used for wheel mesh and spokes of automobile rolling wheels.
B380CL
B420CL
B440QZr
---
---
It is used in the manufacture of automobile transmission shafts.
B480QZR
B320L B550L
---
---
Used for automobile girders and beams.
B510L B420L
B510DL
Boiler and pressure vessel steel
Q/BQB 320
HII
DIN 17155 (EN10028-2)
HII (P265GH)
In addition to ensuring normal temperature performance, it also guarantees mechanical properties at higher temperatures, and is suitable for steam boiler equipment, pressure vessels with higher working temperatures and similar structural parts.
19Mn6
19Mn6 (P355GH)
Q/BQB 320
SB410
JIS G3103
SB410
Q/BQB 321
B440HP
JIS G3116
SG295
Steel plates for welding gas cylinders.
B490HP
SG325
steel for hull structure
Q/BQB 330
A
LR,BV
A
It can be supplied according to the specifications of the classification societies of various countries.
B
GL, DNV
B
D.
ABS
D.
Atmospheric corrosion resistant steel
Q/BQB 340
WTSt37-2
SEW087 (EN10155)
WTSt37-2 (S235J2W)
It is used to manufacture interception and fuel for structural parts such as containers, railway vehicles, oil derricks, and construction machinery that require atmospheric corrosion resistance.
WTSt52-3
WTSt52-3 (S355J2G1W)
NAW 400
NSC
NAW 400
NAW 490
NAW 490
B460NQR
---
---
B490NQR
Sulfuric acid corrosion resistant steel
S-ten2
NSC
S-ten2
Used in the manufacture of containers for hydrogen sulfide-containing media, etc.
seawater corrosion resistant steel
Mariloy G41A
Mariloy G41A
Used for structural components such as oil production platforms, ships, and harbor buildings.
Mariloy S50A
Mariloy S50A
high weather resistance
BZJ342
B480GNQR
---
---
Used in the manufacture of vehicles, containers, construction and
structural steel
other structural parts.
Through-thickness properties of hot rolled steel sheets
Q/BQB 350
Z15
---
---
The thickness direction performance of the steel plate has good lamellar tear resistance performance, and is used for offshore oil production platforms and other structural parts that require thickness performance.
Z25
Z35
case hardened steel
Q/BQB 360
C10
DIN 17210
C10
High-purity low-carbon steel is used for surface carburizing or nitriding followed by quench hardening to manufacture structural parts with high hardness and wear resistance on the surface and high toughness on the core.
C15
C15
S09CK
JIS G4051
S09CK
S15CK
S15CK
High toughness pipeline steel
BZJ 371
X60RL
API 5L
X60
High-toughness pipeline steel hot-rolled wide-band steel for spiral welding production of oil pipelines
X70RL
X70
straight seam welding
BZJ 372
J55
API 5CT
J55
For the manufacture of straight seam welded oil casing
Steel for casing
Tread plate
BZJ 390
BCP 270
---
---
Lentil shaped checkered steel plate
BCP 340
BCP 400
Hot continuous rolled wide steel for bicycles
BZJ 304
SPHT1Z,SPHT2Z
---
---
Used in the manufacture of bicycle upper, lower, rear joints, front wishbones, front faceplates, chain rolling handlebar cross tubes, center shafts and other parts
SPHT3Z, SPHDZ
SM50BZ,SM53BZ
For pipeline
GB14164
S205,S240
API 5L
Grade A,B
Oil and natural gas pipeline
hot rolled coil
S315
X42,X46,X52
S290,S360,S385
X56,X60,X65
S415,S450,S480
X70
Our Advantages
High Strength The hot-rolled steel plate products produced by Zhengde have excellent properties such as high strength, good toughness, easy processing and good weldability, so they are widely used in manufacturing industries such as ships, automobiles, bridges, construction, machinery, and pressure vessels.
Adequate inventory Spot inventory of steel plates with various material properties: ordinary carbon structural steel plates, low alloy steel plates, alloy steel plates, wear-resistant steel plates, steel plates for cold forming, structural steel plates, automotive structural steel plates, steel plates for corrosion-resistant structures, mechanical structures Steel plates, steel plates for welded gas cylinders and pressure vessels, steel plates for pipelines, etc.
Attention to detail The surface quality is good. Compared with ordinary hot-rolled sheets, Zhengde hot-rolled sheets have removed the surface oxide scale, improved the surface quality of steel, and are convenient for welding, oiling and painting. The dimensional accuracy is high, and after leveling, the plate shape can be changed to a certain extent, thereby reducing the deviation of unevenness. Improved surface finish for enhanced appearance
Provide deep processing Relying on Zhengde's sufficient steel plate resources, it reduces the pressure on customers' inventory. It can be cut according to drawings, or directly cut into graphics required by customers, such as circles, rectangles, flanges, bearing housings, rolling mill racks, and rolling mill arches, etc. The cutting precision is high. , the incision is smooth and tidy, and the machining allowance is small.
Quality first: production and inspection in strict accordance with production standards; Price advantage: discounts based on real market prices; Transaction security: There will be no loss of customer funds; After-sales guarantee: the customer's problem is our problem; Long-term cooperation: quality assurance, price advantage, sincere service can last for a long time.
Detailed Photos
Packaging & Shipping
Company Profile
Shandong Zhengde Metal Manufacturing Co., Ltd. is a production and sales company integrating hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, steel wires, metal mesh, stainless steel, aluminum, copper and other metal products integrated large enterprises. Five production and sales bases have been formed in Binzhou, Liaocheng, Wuxi, Tianjin, Jinan and Tai'an, with more than 100 production lines, 4 nationally recognized laboratories, 2 technical engineering centers, and 5 enterprise technology centers. Products are exported to more than 50 countries and regions such as North America, South America, Europe, Africa, Oceania, Middle East, and Southeast Asia.
Certifications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1997
Total Annual:
500000000-600000000
Employee Number:
1500~1800
Ecer Certification：
Verified Supplier
Shandong Zhengde Metal Manufacturing Co., Ltd. is a company integrating hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, steel sections, steel pipes, heat exchange pipes, automobile exhaust pipes, anchor rods, steel wires, metal mesh, A large compreh... Shandong Zhengde Metal Manufacturing Co., Ltd. is a company integrating hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, steel sections, steel pipes, heat exchange pipes, automobile exhaust pipes, anchor rods, steel wires, metal mesh, A large compreh...
