Professional welded, seamless, firefighting steel pipes, coils and sheets manufacturer since 1991 
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Baolai Steel Group, which was founded in 1991, has established a highly reliable and comprehensive supply chain for a diverse range of steel products. Our reputation in the steel industry is held in high esteem and we pride ourselves on maintaining the trust and confidence of our valued customers. 


We specialize in the production of welded steel pipes, ERW steel pipes, seamless pipes, galvanized pipes, fire sprinkler pipes (UL&FM certified), steel coils, plates and other top-quality steel products. Our mission is to provide every customer with the very best steel products and unparalleled customer service.


If you are interested in procuring BAOLAI® products, we encourage you to reach out to us for a free quote today.  

(99Products)
GL Galvanized Fire Sprinkler Pipe GI Fire Pipes

GL Galvanized Fire Sprinkler Pipe GI Fire Pipes

Model NO.：GL Galvanized Fire Sprinkler Pipe

GL Galvanized Fire Sprinkler Pipe, GI Fire PipesnnStandards: ASTM A795nnCoating: Galvanized

ASTM A795 ERW firefighting pipe FM listed

ASTM A795 ERW firefighting pipe FM listed

Model NO.：ASTM A795 ERW fire pipes, fire sprinkler pipes

Grade Gr.A/ BnnOut Diameter 1/2" - 14" ( DN15 - DN350)nnWall Thickness 2.11-7.80 mmnnLength 5.8M/ 6M /12M or CustomizednnEnds Plain/ Beveled/ Roll groove/ NPT/ BSPTnnSurface Red/ Black/ Red epoxy or polyester/ Galvanized

ASTM A106 Seamless Carbon Steel Pipe for High Tempreture Service

ASTM A106 Seamless Carbon Steel Pipe for High Tempreture Service

Model NO.：ASTM A106 Seamless Carbon Steel Pipe

Carbon steel pipes for High-Temperature servicennStandard: ASTM A106nnApplication: used for bending, border-coiling, and similar shape forming machining.nnMain Steel Tube Grades：ASTM A106 Gr.A, Gr.B, Gr.CnnEnds procession: Plain end, beveled, thre

API 5CT Tubing and Casing Seamless Steel Pipe， OCTG pipe

API 5CT Tubing and Casing Seamless Steel Pipe， OCTG pipe

Model NO.：API 5CT Tubing and Casing Seamless Pipe, OCTG Pipe

API 5CT Tubing and Casing Seamless Steel Pipe， OCTG pipennStandard: API 5CT、API 5B、ISO11960nnSteel Grade: J55, K55, N80-1,N80-Q, L80-1, L80-9Cr,L80-1,C90, T95, C95, P110, Q125 .nnTread types: NUE, EUE,VAM,special clearance,VAM TOP,NEW VAM.nnApplic

Hot Dipped Galvanized Seamless Pipe, GI SMLS Pipe

Hot Dipped Galvanized Seamless Pipe, GI SMLS Pipe

Model NO.：Hot Dipped Galvanized Seamless Steel Pipe

PIPE FOR NORMAL PURPOSESnnStandard: ASTM A53nnApplication: applied as pressed and forced parts and as pipeline for steam, water, gas and atmosphere delivery.nnMain Steel Tube Grades: ASTM A53 Gr.A, Gr.B

Line Pipe, Pipeline Seamless Steel Pipe Large Diameter

Line Pipe, Pipeline Seamless Steel Pipe Large Diameter

Model NO.：Line Pipe, Pipeline Seamless Steel Pipe Large Diameter

Line Pipe, Pipeline Steel Pipe Large DiameternnStandard： API spec 5l、ISO 3183, gb/t 9711nnApplication： used for conveying gas, water, and petroleum for oil and gas industries.

API 5L Oil Line Pipe， Pipeline Seamless Steel Pipe，OCTG Pipe

API 5L Oil Line Pipe， Pipeline Seamless Steel Pipe，OCTG Pipe

Model NO.：API 5L Oil Line Pipe

API 5L Oil Line Pipe， Pipeline Seamless Steel Pipe，OCTG PipennAtandard：api spec 5l、iso 3183, gb/t 9711nnApplication: used for conveying gas, water and petroleum for oil and gas industries.

Black Hollow Sections

Black Hollow Sections

Model NO.：Hollow Sections

BAOLAI® Black Hollow Sections are square and rectangular steel pipes that offer durability, strength, and versatility, making them ideal for various construction and industrial applications.

Schedule 40 Fire Sprinkler Pipe Fire Fighting Pipe

Schedule 40 Fire Sprinkler Pipe Fire Fighting Pipe

Model NO.：Schedule 40 Fire Sprinkler Pipe,Fire Fighting Pipe

Standards:n• ASTM A795, Type E, Grade A n(Schedule 40, 1–2 NPS)n• ASTM A53, Type E, Grade B n(Schedule 40, 2–8 NPS)n• ASTM A53, Type F, Grade B n(Schedule 40, 1–4 NPS)n• ASTM A53, Type F, Grade A n(Schedule 40, 1–4 NPS)