China Supplier for Big Size Precise Q235/345 Cold Drawn Seamless Steel Pipe

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Ferrous Steel Scrap
• Technique: Hot Rolled
• Shape: Round
• Surface Treatment: Galvanized
• Model NO.: Q235/345
• Special Use: High-strength Steel Plate, Wear Resistant Steel
• Application: Structural Steel Bar
• Diameter: 33.4-508
• Wall Thickness: 3.0-20.6
• Transport Package: as Customers Requirement
• Specification: customizable
• Trademark: SANJU
• Origin: Hebei
• HS Code: 730300900
• Production Capacity: 100000t/Years

Product Description

 1.Product Information

Product Name	China Supplier for Big SizePrecise Cold Drawn Seamless Steel Pipe
OD	20-219mm,WT:0.8-12mm
Size	10*10-400*400mm,WT:0.8-12mm
Length	0.3-13m or as your requirement
Surface	Pre-galvanized/Hot Dip Galvanized/Oiled/Painted
Zinc Coating	50-150g/m2 for Pre-galvanized,200-600g/m2 for hot dip galvanized
Material	Q195/Q215/Q235/Q345/Q195-Q235
Standard	ASTM-A53 /BS 1387-1985/ GB/T 3091-2001 for round pipe
	ASTM A500 /GB/T3094 for square/rectangular pipe
Ends	Plain /Beveled/ Threaded with sockets coupling and plastic caps/ Necking down/expanding neck/punching holes

 

 2.Quality Assure:

Quality assure:	1),Basic guarantee:	Raw material guarantee,we use the Tsingshan Brand raw material,the quality is good,adding we use the spectrum direct-reading test,our professional workers &equipments,we could guarantee the tubes is right of the clients' needs.
	2),Process control:	follow the process chart adding our workers' care
	3),Inspection& Test	Direct-reading Spectrum Instrument analytic for chemical composition, Yield Strength, Tensile Strength, Elongation, Hardness Test, Flattening Test, Flaring Test, Eddy Current Test, Ultrasonic Test, Hydrostatic Test, Corrosion Test, etc