Welded steel pipe, Oil Casing and Tubing

Based on China,geared to the world. Honesty & Practical & Mutual Benefit In Equality.
With the market-oriented culture,our company shall abide by the laws honestly in mutual benefit with clients.

Address: Industrial Park of Jinghai Town, Tianjin, China

Postal Code: 301600
Phone: 86+022-68690381/2
Fax: 86+022-68690382/1
Web Site: http://www.dlpoctg.com
E-mail: sales@dlpoctg.com

Business Type: Manufacturer & processing factory & trading company

You are here: Home >> Industry News >> The size of DN Welded steel pipes

The size of DN Welded steel pipe

2012-08-23

Welded steel pipes size	Male diameter class	standard	executive standard
welded pipe 4 points series	DN15	20~21*0.70~2.75	GB/T3091-2008
welded pipe 6 points series	DN20	25~26.8*0.70~2.75	GB/T3091-2008
welded pipe 1 inch series	DN25	32~33.5*0.8~3.25	GB/T3091-2008
welded pipe 1.2 inch series	DN32	40~42*0.90~3.25	GB/T3091-2008
welded pipe 1.5 inch series	DN40	47~48*0.70~3.25	GB/T3091-2008
welded pipe 2 inch series	DN50	59~60*1.3~3.5	GB/T3091-2008
welded pipe 2.5 inch series	DN65	75*1.5~3.75	GB/T3091-2008
welded pipe 3 inch series	DN80	88*1.5~4.0	GB/T3091-2008
welded pipe 4 inch series	DN100	114*1.1~4.0	GB/T3091-2008
welded pipe 5 inch series	DN125	140*2.2~4.5	GB/T3091-2008
welded pipe 6 inch series	DN150	165*1.4~4.5	GB/T3091-2008
welded pipe 8 inch series	DN200	219*2.0~6.0	GB/T3091-2008

Previous post:The introduction of oil pipe
Next post:no
TypeInfo: Industry News
Keywords for the information: Galvanized steel pipe