GOST 8732 Steel 20, 30hgsa, 30crmnsia Seamless Steel Pipe

• Customization: Available
• Type: Seamless
• Technique: Hot Rolled
• Model NO.: KM-81
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Chemical Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Grade: 10#,20#,45#,30hgsa
• Secondary or Not: Non-Secondary
• Special Pipe: Boiler Pipe
• Alloy or Not: Not
• Application: Industrial Lubricant, Oil Product
• Certification: ISO BV Ce
• Delivery Time: 7-10 Days
• Payment Term: T/T L/C
• Transport Package: in Bundles /Wooden Boxes or Customers′ Request
• Specification: thickness: 2.77 - 52 mm
• Trademark: kingmetal
• Origin: China (Mainland)
• Production Capacity: 2000 Ton/Tons / Month

Product Description

GOST 8732 STEEL 20, 30HGSA 30CrMnSiA Seamless 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