BS4449 Steel Reinforcement Rebar
BS4449 Steel Reinforcement Rebar

BS4449 Steel Reinforcement Rebar

The differences between the, B and C designations are complex and related to structural tolerances. For steel mesh products, B500A grade steel is usually used, and for steel bars, B500B grade steel is used. B500C steel is rarely required, and it is always worthwhile for structural engineers to check whether B500B grade steel can be used instead of B500C, because B500C usually has a significant cost overhead.

Classification :

Steel Rebar

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Email : sales@laigangsteels.com

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BS4449 Steel Reinforcement Rebar Description

BS4449 is yet another deformed steel bar standard. It is also differentiated as per European standards. When it comes to manufacturing, the steel bars falling in this standard are also hot rolled, which means that they are also used for general purposes, i.e. in common construction projects. These deformed bars are also available between 12 mm to 30 mm diameter size. And the common lengths that they are available in are 9 m and 12 m. Though, it might vary highly.

 

BS 4449:97 British Rebar Specifications
Rated
Diameter		 Nominal Cross Section Area Weight EN To The Ribs (mm) Longitudinal Ribs (mm) Pitch / Step
mm		 Ribs Tip Distance
mm
Kg / m
 		 Tolerance
%
 		 Height Width Height Width
mm m㎡ min. max. min. max. min. max. min. max. min. max. min. max.
6 28.3 0.222 ± 9 0.3 0.6 0.48 0.72 0.3 0.84 0.48 1.2 3,.0 4.8 1.5 2.3
8 50.3 0.395 ± 6.5 0.4 0.8 0.64 0.96 0.4 0.84 0.64 1.6 4.0 6.4 2.0 3.1
10 78.5 0.616 0.5 1.0 0.8 1.2 0.5 0.84 0.8 2.0 5.0 8.0 2.5 3.9
12 113.1 0.888 ± 4.5 0.6 1.2 0.96 1.44 0.6 0.84 0.96 2.4 6.0 9.6 3.0 4.7
16 201.1 1.579 0.8 1.6 1.28 1.92 0.8 0.84 1.28 3.2 8.0 12.8 4.0 6.2
20 314.2 2.466 1.0 2.0 1.6 2.4 1.0 0.84 1.6 4.0 10.0 16.0 5.0 7.8
25 490.9 3.854 1.25 2.5 2.0 3.0 1.25 0.84 2.0 5.0 12.5 20.0 6.2 9.8
32 804.2 6.313 1.60 3.2 2.56 3.84 1.60 0.84 2.56 6.4 16.0 25.6 8.0 12.5
40 1256.6 9.864 2.0 4.0 3.2 4.8 2.0 0.84 3.2 8.0 20.0 32.0 10.0 15.7
50 1963.5 15.413 2.5 5.0 4.0 6.0 2.5 0.84 4.0 10.0 25.0 40.0 12.5 19.6

 

BS 4449:97 Steel Rebar Mechanical Properties
Quality
 		 Akma N / mm2< Akma / Pull Rate N/mm2 Elongation Elasticity Total max. % AGT
min. min. min. min.
GR 250 250 Akma x 1.15 22 –
GR 460 A 460 Akma x 1.05 12 2.5
GR 460 B 460 Akma x 1.08 14 5

 

BS 4449:97 Steel Rebar Chemical Properties
Element GR 250 % max. GR 460 A / B % max. Ribs and Marking Method
Casting Product Casting Product
C 0.25 0.27 0.25 0.27
P 0.060 0.065 0.050 0.055
S 0.060 0.065 0.050 0.055
N 0.012 0.013 0.012 0.013
CE 0.42 0.45 0.51 0.54
                      Mn             Cr+Mo+V              Ni+Cu     
CE = C + ————- + ——————- + —————–
                      6                       5                        15          

 

Scope of Application

Widely used in houses, bridges, roads, especially railways and other civil engineering.

USA Japan Germany U.K.

 

 France Italy Spain Switzerland China

AISI/SAE

JIS

W‐nr.

DIN

BS

EN

AFNOR

UNI

UNE

SS

GB

A570.36

STKM 12A

1.0038

RSt.37‐2

4360

‐

E 24‐2

‐

‐

1311

15

-

STKM 12C

-

-

40 C

-

Ne

-

-

-

-

1015

‐

1.0401

C15

080M15

‐

CC12

C15, C16

F.111

1350

15

1020

‐

1.0402

C22

050A20

2C

CC20

C20, C21

F.112

1450

20

1213

SUM22

1.0715

9SMn28

230M07

1A

S250

CF9SMn28

F.2111

1912

Y15

11SMn28

12L13

SUM22L

1.0718

9SMnPb28

‐

‐

S250Pb

CF9SMnPb28

11SMnPb28

1914

‐

‐

‐

1.0722

10SPb20

‐

‐

10PbF2

CF10Pb20

10SPb20

‐

‐

1215

‐

1.0736

9SMn36

240M07

1B

S300

CF9SMn36

12SMn35

‐

Y13

12L14

‐

1.0737

9SMnPb36

‐

‐

S300PB

CF9SMnPb36

12SMnP35

1926

‐

1015

S15C

1.1141

Ck15

080M15

32C

XC12

C16

C15K

1370

15

1025

S25C

1.1158

Ck25

‐

‐

‐

‐

‐

‐

25

A572-60

‐

1.890

StE380

4360 55

‐

‐

FeE390KG

‐

2145

‐

1035

‐

1.0501

C35

060A35

‐

CC35

C35

F.113

1550

35

1045

‐

1.0503

C45

080M46

‐

CC45

C45

F.114

1650

45

1140

‐

1.0726

35S20

212M36

8M

35MF4

‐

F210G

1957

‐

1039

‐

1.1157

40Mn4

150M36

15

35M5

‐

‐

‐

40Mn

1335

SMn438(H)

1.1167

36Mn5

‐

‐

40M5

‐

36Mn5

2120

35Mn2

1330

SCMn1

1.1170

28Mn6

150M28

14A

20M5

C28Mn

‐

‐

30Mn

1035

S35C

1.1183

Cf35

060A35

‐

XC38TS

C36

‐

1572

35Mn

1045

S45C

1.1191

Ck45

080M46

‐

XC42

C45

C45K

1672

Ck45

1050

S50C

1.1213

Cf53

060A52

‐

XC48TS

C53

‐

1674

50

1055

‐

1.0535

C55

070M55

9

‐

C55

‐

1655

55

1060

‐

1.0601

C60

080A62

43D

CC55

C60

‐

‐

60

1055

S55C

1.1203

Ck55

070M55

‐

XC55

C50

C55K

‐

55

1060

S58C

1.1221

Ck60

080A62

43D

XC60

C60

‐

1678

60Mn

1095

‐

1.1274

Ck101

060A96

‐

XC100

‐

F.5117

1870

‐

W1

SK3

1.1545

C105W1

BW1A

‐

Y105

C36KU

F.5118

1880

‐

W210

SUP4

1.1545

C105W1

BW2

‐

Y120

C120KU

F.515

2900

‐

 

Packing and delivery

We have established a professional international trade service team with a sales network all over the world. With cooperation with North America, South America, Europe
We have many advantages in cooperating with many customers in Asia, Southeast Asia, the Middle East and Africa, and have established cooperative relationships in more than 50 countries including Peru, the Philippines, Russia, Ukraine, Pakistan, Indonesia, Malaysia, South Africa, Sri Lanka, Turkey, Vietnam, Laos, Brazil, Thailand, the Middle East, the United Arab Emirates, Morocco, Spain, the United States, New Zealand, and Iran.

 

QUALITY INSPECTION

The company is equipped with a complete production line, including cutting machines, bending machines, punching machines, waterjet cutting machines, polishing machines, shearing machines, and wire drawing machines.

CUSTOMER VISIT

Our products are well sold in China and exported to many countries, such as South Korea, Japan, Russia, Germany, Britain, Austria, Czech Republic, Hungary, Netherlands, Slovenia, Bulgaria, Egypt, Saudi Arabia, Iran, Kuwait, UAE, Turkey, Israel, Syria, Lebanon, Jordan, Yemen, Cyprus, Philippines, Vietnam, and Malaysia...

Australian customers visited our factory.

Australian customers visited our factory.

South African customers visited our factory.

South African customers visited our factory.

Russian customers visited our factory.

Russian customers visited our factory.

Malaysian customers visited our factory.

Malaysian customers visited our factory.

Singaporean customers visited our factory.

Singaporean customers visited our factory.

European customers visited our factory.

European customers visited our factory.

FACTORY WORKSHOP

Factory workshop
Factory workshop
Factory workshop
Factory workshop
Factory workshop
Factory workshop
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Factory workshop

APPLICATION FIELD

Galvanized Accessories

Galvanized Accessories

Industrial Ladder

Industrial Ladder

Infrastructure steel

Infrastructure steel

Stair Guardrail

Stair Guardrail

Automobile Manufacturing

Automobile Manufacturing

Bridge Construction

Bridge Construction

FAQ

Q: Are you manufacturer?

Q: Are you manufacturer?

A:Yes, we are a professional steel manufacturer, specializing in the production ofvarious steel products for over a decade. We possess core advantages such asadvanced prolduction lines, comprehensive certifications, and strong R&Dcapabilities. We have in-depth partnerships with many high-quality steel mills inChina (such as Baosteel, Wuhan lron and Steel, and Ansteel), enabling us to provideyou with a more comprehensive product selection, flexible supply chain solutions,and more competitive prices. Many clients choose us precisely because we canmatch their needs in a 'one-stop' manner, saving you the costs of dealing withmultiple intermediaries.
A:Yes, we are a professional steel manufacturer, specializing in the production ofvarious steel products for over a decade. We possess core advantages such asadvanced prolduction lines, comprehensive certifications, and strong R&Dcapabilities. We have in-depth partnerships with many high-quality steel mills inChina (such as Baosteel, Wuhan lron and Steel, and Ansteel), enabling us to provideyou with a more comprehensive product selection, flexible supply chain solutions,and more competitive prices. Many clients choose us precisely because we canmatch their needs in a 'one-stop' manner, saving you the costs of dealing withmultiple intermediaries.
Q:Whereisyourcompany?Whereistheloadingport?

Q:Whereisyourcompany?Whereistheloadingport?

A: Our company's foreign trade department is located in Wuxi, and we offercustomers a variety of shipping ports to choose from, such as Shanghai Port Qingdao Port, Tianjin Port, etc.
A: Our company's foreign trade department is located in Wuxi, and we offercustomers a variety of shipping ports to choose from, such as Shanghai Port Qingdao Port, Tianjin Port, etc.
Q:What certificates do you have?

Q:What certificates do you have?

A: Our certification system is mainly divided into the following categories, which lcategorize as product access certification, management system certification, anddedicated customer certification.
A: Our certification system is mainly divided into the following categories, which lcategorize as product access certification, management system certification, anddedicated customer certification.
Q:How many countries have you exported? do you have service there?

Q:How many countries have you exported? do you have service there?

A:Thank you for your interest. We possess a mature global supply chain system, andour products are stably exported to over 50 countries and regions worldwide.covering major industrial and emerging markets across six continents. Our businessprimarily focuses on the following segments, reflecting our adaptability to differentmarket standards: 1. High-end markets: such as the EU, North America, Japan, and South Korea. Wehave extensive experience in certifying and implementing standards such as CE.ASTM, and JlS, serving local infrastructure and manufacturing projects.2. Strategic project markets: We are deeply involved in key projects along the Beltand Road initiative, such as [exmples: a petrochemical project in the Middle East, abridge project in Southeast Asia], and are familiar with the stringent requirements of these projects. 3. Emerging growth markets: We have established a stable distribution network inSoutheast Asia, the Middle East, and Africa, enabling us to flexibly respond to thediverse needs oflocal markets.
A:Thank you for your interest. We possess a mature global supply chain system, andour products are stably exported to over 50 countries and regions worldwide.covering major industrial and emerging markets across six continents. Our businessprimarily focuses on the following segments, reflecting our adaptability to differentmarket standards: 1. High-end markets: such as the EU, North America, Japan, and South Korea. Wehave extensive experience in certifying and implementing standards such as CE.ASTM, and JlS, serving local infrastructure and manufacturing projects.2. Strategic project markets: We are deeply involved in key projects along the Beltand Road initiative, such as [exmples: a petrochemical project in the Middle East, abridge project in Southeast Asia], and are familiar with the stringent requirements of these projects. 3. Emerging growth markets: We have established a stable distribution network inSoutheast Asia, the Middle East, and Africa, enabling us to flexibly respond to thediverse needs oflocal markets.
Q: How to pack?

Q: How to pack?

A: Can be packaged according to customer's needs
A: Can be packaged according to customer's needs
Q: What are your payment terms?

Q: What are your payment terms?

A: New customers usually have two payment terms: 1) 30% T/T as deposit, 70% balance against copy of B/L; 2)100% irrevocable L/C at sight; lf you need any other terms, please feel free to contact us and we will try ourbest.
A: New customers usually have two payment terms: 1) 30% T/T as deposit, 70% balance against copy of B/L; 2)100% irrevocable L/C at sight; lf you need any other terms, please feel free to contact us and we will try ourbest.

Steel Rebar

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Yuanrong Development Center, Huangxiang Subdistrict, Liangxi District, Wuxi City, Jiangsu Province

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