Mold design of cold drawn steel pipe

- Oct 29, 2018-

The cold drawn tube is drawn by a mold of a certain shape and size under the action of force. The dimensional accuracy and surface quality of the mold directly affect the dimensional accuracy and quality of the finished product.

Mold design should pay attention to the following aspects:

(1) The sizing size of the inner and outer molds should be determined by considering the rebound amount of the finished product after cold drawing, and the material with low hardness and small deformation, which has small rebound amount, high hardness and large deformation, and its back Large amount of bomb;

(2) The surface of the mold should have lower roughness requirements, generally one to two grades lower than the finished product;

(3) The mold material is made of high-strength wear-resistant material.



Cangzhou Steel Pipe Group (CSPG) Co., Ltd. is a large-sized, key metallurgic enterprise of Hebei Province in North China, whose history dates back to 1994. CSPG currently em/paces six member companies with products varying from SSAW, LSAW, ERW, seamless steel pipes to 3PE pipes, galvanized pipes, casing pipes, etc. A Joint-stock corporation, CSPG occupies an area of 600,000 square meters with a total asset of $530 million.

Specialized in the production of straight welded pipe spiral pipe galvanized pipe 3PE/3PP/FBE/TPEP internal and external epoxy powder internal and external epoxy resin cement mortar two cloth three oil buried pipeline IPN8710 non-toxic drinking water internal and external plastic coated lining plastic and other anti-corrosion pipe fittings for oil and gas pipeline water conservancy projects

Executive standard :DIN30670 DIN30678 CSA Z245 AFNOR nf49-710/711 NACE rp0394/0490 AWWAC 210/C213GB/T9711 API 5L ISO 3183Material: Q235B/Q355BGR A GR B x42-x80 l245-l555


Business scope: 21.3mm-3620mmLSAW submerged arc welded pipe 325-2020mmERW straight welded pipe 6mm-711mmSMLS seamless tube 10-1120mmSSAW spiral steel tube 219-3620mmDemand for quality suppliers and partners