GOST 8732-78 Steel 20 Carbon Steel Pipe

• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Model NO.: KM-170214
• Size: 20mm~820mm
• Thickness: 2.5mm~75mm
• Standards: GOST 8732-78,ASTM A106, ASTM A53,API 5L
• Materials: Steel 20,Gr. B, X40-80, Q195, Q235 etc.
• Surface: Black Painting, Varnish Coating, Oils, etc
• Ends: Plain Ends, Bevel Ends
• Transport Package: in Bundle or Customer′s Request
• Specification: ASTM A106, ASTM A53, API 5L
• Trademark: Kingmetal
• Origin: China
• HS Code: 73041930
• Production Capacity: 3000 Tons/Month

Product Description

Gost 8732-78 steel pipe
1. OD:20-820mm WT:2.5-75mm 
2. Technics :Cold drawn or hot rolled.
3. Material: steel 20,20#, Q235B,X42, X52,  and 5CT ,J55 ,K55
SAE1020 ,SAE1045,ST 45-8, ST52 
4.Tolerate: 
OD :+1% / -1%  WT: +12.5% / -10% 
5.Packing : paint,bundles or for the clients' needs
6.Application field:Transportation of oil,gas or fluid,Construction,Electricity,Machine building industy,Chemical industy,Petroleum,Traffic.

Tubes to this standard shall be delivered with diameters 25-820 mm, wall thickness 2.5-75mm and length 4.0-12.5 meters.
At present tube manufactures supply tubes with diameters 42-550mm and wall thickness 3.0-75mm.
 

Standard	grade	chemical composition(%)
		C	Si	Mn	P	S	Cu	Ni	Mo	Cr
Gost 8732-78	20# Gr.B	0.17~0.24	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25
ASTM A106/A53
API  5L
DIN 17175	ST37	0.07~0.14	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.15
	ST35.8
DIN 17175	ST42	0.42~0.50	0.17~0.37	0.50~0.80	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25
	ST45
DIN 1629	Q345	0.12~0.20	0.20~0.55	1.20~1.60	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25
	ST52