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Hot Rolled Coil/Plate
Hot-rolled coil has excellent properties such as high strength, good toughness, easy processing and good weldability, so it is widely used in shipbuilding, automobile, bridge, construction, machinery, pressure vessel and other manufacturing industries. Common materials are Q235B, Q345B, SPHC, 510L, Q345A, Q345E, etc. Ganghua Steel produces and sells various styles of hot rolled coils/plates, and accepts product customization. We have 12 years of production experience, attach importance to product quality, provide high-quality services, and are committed to bringing customers the best cooperation experience.
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Product Description

Classification of hot rolled coils
Hot-rolled coils can be divided into: straight hair coils and finishing coils (divided coils, flat coils, slit coils);
According to different materials and properties, it can be divided into: ordinary carbon structural steel, low alloy steel, alloy steel;
According to different uses, it can be divided into: cold forming steel, structural steel, automobile structural steel, corrosion-resistant structural steel, mechanical structural steel, welded gas cylinder and pressure vessel steel, pipeline steel, etc.

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Corresponding grades and uses of different types of hot rolled coils
TypeInternational Standard NumberGradeUse
Hot rolled mild steelJIS G3131SPHC

Suitable for manufacturin

cold-formed parts.

SPHD
SPHE
DIN 1614(EN10111)STW22(DD11)
STW23(DD12)
STW24(DD13)
General structural steelJIS G3101SS 330

For general structural parts such as buildings

, bridges, ships, vehicles, etc.

SS 330
SS 490
SS 540
DIN 17100 (EN10025)St 33(S185)
St 37-2(S235JR)
St 37-3(S235JO)
St 44-2(S275JR)
St 50-2(E295)
St 52-3(S355JO)
Welded structural steelJIS G3106SM400A

Used for structural parts that require excellen

t welding performance such as buildings, bridges, 

ships, vehicles, oil tanks, construction machinery, etc.

SM400B
SM400C
SM490A
SM490B
SM490C
SM490YA
SM490YB
SM520B
SM520C
NSCWelten590RE

Weldable high-strength steel plates for pressure vessels

, oil tanks, construction machinery, mining machinery,

 pressure water pipes, etc.

Steel for mechanical structuresDIN 17200C22

For mechanical structural parts used after cutting and

 other processing and heat treatment.

JIS G4501C35
——S20C
Fine grain structural steelDIN 17102StE255Fine grain structural steel suitable for welding.
StE355
Steel strip for steel pipeJIS G3132SPHT1For welded steel pipes.
SPHT2
SPHT3
Steel for automobile structureJIS G3113SAPH 310

Used for automotive structural parts such as

 automotive frames and wheels that require 

formability and processability.

SAPH 370
SAPH 410
SAPH 440
SEW 092 (EN10149-2)QStE 340TM(---)

Hot-rolled pellet steel for cold deformation, used for

 structural parts such as automobile girders that 

require good cold forming properties and have 

high or high strength requirements.

QStE 380TM(---)
QStE 420TM(S420MC)
QStE 380TM(S460MC)
QStE 500TM(S500MC)
Steel for boilers and pressure vesselsDIN 17155 (EN10028-2)HII (P265GH)

In addition to guaranteeing normal temperature

 performance, it also guarantees mechanical 

properties at higher temperatures, suitable for 

steam boiler equipment, pressure vessels with 

higher working temperature and similar structural parts.

19Mn6(P355GH)
JIS G3103SB410
JIS G3116SG295Welded steel plates for gas cylinders.
SG325
Steel for hull structureLR,BVAAvailable according to national specifications.
GL,DNVB
ABSD
Atmospheric corrosion resistant steelSEW087 (EN10155)WTSt37-2(S235J2W)

It is used to manufacture structural parts

 that require resistance to atmospheric corrosion, 

such as containers, railway vehicles, oil derricks,

 and construction machinery.

WTSt52-3(S355J2G1W)
NSCNAW 400
NAW 490
Sulfuric acid corrosion resistant steelS-ten2

 Containers for the manufacture of hydrogen

 sulfide-containing media, etc.

Seawater corrosion resistant steelMariloy G41A

Used for structural parts such as oil production

 platforms, ships, seaport buildings, etc.

Mariloy S50A
Case hardened steelDIN 17210C10

High-purity low-carbon steel is used for surface

 carburizing or nitriding and then quenching 

and hardening to manufacture structural 

parts with high hardness on the surface, 

wear resistance and high toughness in the core.

C15
JIS G4051S09CK
S15CK
High toughness pipeline steelAPI 5LX60

For the production of spiral welded pipes

, high toughness pipeline steel for oil pipelines, hot-rolled wide-band steel.

X70
Steel for straight seam welded casingAPI 5CTJ55For manufacturing straight seam welded oil casing.
Hot rolled coil for pipelineAPI 5LGrade A,BOil and gas pipelines.
X42,X46,X52
A56,X60,X65
X70
 
The difference between hot rolled coil and hot rolled sheet
Hot-rolled coils, are strips made of slabs (mainly continuous casting slabs) as raw materials, which are heated by rough rolling mills and finishing mills. The hot steel strip coming out of the last rolling mill of finishing rolling is cooled to a set temperature by laminar flow, and is rolled into a steel strip coil by a coiler.
Hot-rolled sheet, is made of cooled steel strip coils. According to the different needs of users, through different finishing lines (leveling, straightening, cross-cutting or slitting, inspection and weighing, packaging and signs, etc.) to be processed into steel plates, flat rolls and slit steel strip products.
Hot rolled coil/plate production process
热轧工艺流程图
Advantages of HRC
Hot rolling can destroy the casting structure of the ingot, refine the grain of the steel, and eliminate the defects of the microstructure, so that the steel structure is dense and the mechanical properties are improved. This improvement is mainly reflected in the rolling direction, so that the steel is no longer isotropic to a certain extent; the bubbles, cracks and porosity formed during casting can also be welded under the action of high temperature and pressure. Therefore, the hot rolled coil has excellent properties such as high strength, good toughness, easy processing and good weldability.

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Epilogue
Bao Steel focuses on the production of carbon steel products, providing you with high-quality hot-rolled sheets, hot-rolled coils and other types of carbon steel products and high-quality services, looking forward to becoming a forever partner with you! We have experienced technicians and a complete production line, which can provide services such as cutting and product customization. Welcome to communicate with us!


Product Show

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Company Profile

BAOSTEEL Co., Ltd is a comprehensive company, who is founded in 2008. Specialized in Carbon steel, alloy steel, galvanized steel in pipe and tube,plate and coil,profiles.

We are located in Tianjin Province, the Steel base of China, It is well-known all over the world. We are close to Tianjin Seaport, that is much convenient in carriage.

We welcome all users, manufacturers and traders to cooperate with us

Since our establishment, we have always adhered to the business policy of "Quality for Survival, Product for Development, Credibility for Cooperation and Service for Customer". Under the guidance of this business policy, our company acts as a perennial distributor of steel pipe, steel plate, steel coil, steel rod, steel profiles of Angang Steel, HBIS, JISCO,SGHB ,and etc.

Modern large-scale outdoor storage and indoor storage have been set up in our company, and 20,000 tons of available goods have been prepared.

Factory Show

Service

Pre-sale Service

1.We provide samples free of charge, but the freight should be paid by the buyer.
2. We have full stock,and can deliver within short time.Many styles for your choices. 
3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
5. All of our products are produce by our professional workman and we have our high-work-effect
foreign trade team, you can totally believe our service. 

After you choose

1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.

After-sale choose

1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.

FAQ

Q1:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world.

Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase. 

Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.

Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs. 

Q5:What about product prices information?
A:Prices various according to periodic price changes of raw materials. 

Q6:What is your terms of payment ?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.

Q7.Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.

Q8:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties’ inspections are all available such SGS, BV ect.

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We accept formal third-party testing institutions for testing, we can also send samples to you free of charge, customer satisfaction shopping experience is always our pursuit

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