During the design of ChangZeng seamless steel pipe , several design elements are taken into considerations. A good deal of emphasis is placed on tolerances, surface finish, durability, and practicability. 2.
As any defect will be completely eliminated during the inspection process, the product is always at the best quality. 3.
Shanghai ChangZeng Metal Co., Ltd. is well-funded with adequate steel pipes supply and thoughtful service. 4.
We can provide you one-stop solution and effective suggestions after you buy our steel pipes. Company Features1.
steel pipes is manufactured by Shanghai ChangZeng Metal Co., Ltd. , which has skilled workers, strong R&D ability and highly strict quality control system. 2.
Shanghai ChangZeng Metal Co., Ltd. has advanced equipment, large scale, and high quality which could guarantee and organize batches production. 3.
For the ultimate ambition of being a leading steel tubing supplier, ChangZeng has been doing its utmost. Please contact us! Excellence in quality of steel pipes and professional in service are what ChangZeng pursues. Please contact us! Shanghai ChangZeng Metal Co., Ltd. will, as always, adhere to the policy of seamless steel pipe . Please contact us!
Oiled, black painted, shot blasted, hot dipped galvanized or phosphate coating.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test..