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About us
Tianjin lefin Industrial
TIANJIN LEFIN STEEL GROUP containing Tianjin lefin Industrial Co.,Ltd. 、Tianjin lefin steel import & export Co.,Ltd and Tianjin Shengqifeng International Trading Co., Ltd. -
Products
Steel Pipe Processing
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard -
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Service Capability
Guarantee Quality
Our steel pipes are suitable for oil, natural gas, shipbuilding, chemical industry, water conservancy, electrical, steel structure, construction and other related fields.
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard
Has rich experience in steel pipe processing, can be customized according to customer requirements according to the drawing and sample processing, assist in the development of new products.
Product Description
BASIC INFORMATION:
ASTM A572 LSAW/DSAW STEEL PIPE
GRADE: ASTM A572
STEEL GRADE: GRADE 42,GRADE 50,GRADE 55,GRADE 60,GRADE 65
OUTSIDE DIAMETER: 406.4mm-1422.4mm(16inch-56inch)
WALL THICKNSS: Max 50mm, Length:12M
OTHER STANDARD: EN10210, EN10217, EN10219, ASTM A252, ASTM A572, ASTM A53, API5L
CHEMICAL COMPOSITION
GRADE | Chemical composition (casting or product analysis) % max. | ||||
C | Mn | Si | P | S | |
GR.42 | 0.21 | 1.35 | 0.4 | 0.04 | 0.05 |
GR.50 | 0.23 | 1.35 | 0.4 | 0.04 | 0.05 |
GR.55 | 0.25 | 1.35 | 0.4 | 0.04 | 0.05 |
GR.60 | 0.26 | 1.35 | 0.4 | 0.04 | 0.05 |
GR.65 | 0.23 | 1.65 | 0.4 | 0.04 | 0.05 |
ASTM A572 steel grade used in structural engineering
1. Building structure:
- ASTM A572 steel grade is commonly used for framing building structures, including tall buildings, residential and commercial buildings.
2. Bridge construction:
- These steel grades are widely used in bridge construction due to their high strength and good weldability, especially in cases where structural weight needs to be reduced to ensure stability.
3. Heavy machinery and equipment:
- ASTM A572 steel grade is used to manufacture heavy machinery and equipment, such as cranes, loaders and excavators, which require high strength and durability.
4. Automotive and Transportation:
- In the automotive industry, the ASTM A572 steel grade is used in the manufacture of truck frames, trailers and railway vehicles, especially for applications requiring strength and impact resistance.
5. Infrastructure Projects:
- Including highway, airport and tunnel construction, ASTM A572 steel grade is used for its high strength and load carrying capacity.
6. Offshore Platforms and oil drilling:
- ASTM A572 steel grade is also used in the construction of offshore drilling platforms and oil drilling structures.
7. Transmission tower and pole:
- In the field of power transmission, the ASTM A572 steel grade is used to manufacture transmission towers and poles, which must withstand wind pressure, ice load and other environmental factors.
Address: Hengtai Road,Daqiuzhuang Town,Jinghai County,Tianjin,China
Mob: +8615122229899(whatspp)
Phone: +86 22 58171905
Fax: +86 22 58171902
E-mail:info@lefinsteel.com
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