ASTM GB/T Standard Hot Rolled Heavy Wall Seamless Carbon Steel Pipe Manufacturer Heavy Wall Steel Pipe

• After-sales Service: One Year
• Warranty: One Year
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Hot Rolling, Heat Treatment
• Usage: Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Outer Diameter: 21.3mm~914.4mm
• Wall Thickness: 20mm~80mm
• Length: 6meters, 9meters, 12meters, Random Length
• Surface: Bare Pipe, Anti-Rust Painting
• Transport Package: Standard Seaworthy Packing
• Specification: 20mm~80mm thickness
• Trademark: Iron&steel
• Origin: China
• HS Code: 73041920
• Production Capacity: 2000tons Per Month

Product Description

Hot rolled Heavy wall seamless steel pipe

Chemical composition

Steel Grade	R, Skilled steel/ RR, Full Skilled steel	Chemical Composition
		C	P	S	N
		Maximum
ST37.0	R	0.17	0.04	0.04	0.009
ST44.0	R	0.21	0.04	0.04	0.009
ST52.0	RR	0.22	0.04	0.035	-

Physical properties

Steel grade	Yield strength at bellowing thickness scope (mm)				Tensile Strength N/mm2	Elongation
	≤16	>16≤40		>40≤65		Length way		Cross way
	N/mm2  Minimum					% Minimum
ST37.0	235	225	215		350~480	25	23
ST44.0	275	265	255		420~550	21	19
ST52.0	355	345	335		500~650	21	19

10 Thousands tons of pipe keep in stock all year round

Advanced factory workshop guarantee at least 2000 tons delivery every month.