forging tension rod
USD $500 - $3,000 /Piece
Min.Order:1 Piece
Jiyuan Zhongyuan Special Steel Machine Manufacture Co., Ltd.
Place of Origin: Henan, China (Mainland) Product Material: Steel, Alloy Steel Product: Tension rod
Manufacture Technique: Forging and machining
Certification: IQNET, ISO,
Packaging & Delivery
Packaging Details: | Export standard package or according to customer requirement |
Delivery Detail: | 30~60days according to various quantity |
Specifications
1.Main products
Tension rod, tension rods ,tension bar, tension pull up rod,
2.Material
ASTM:1050, 1030, 4340,4142
3.Standard:
BS, JIS, ASME,AISI,GOST,DIN,etc
4.Specifications of tension rod
Product | Diameter (mm) | Length (m) | Precision (mm) | Surface roughness (Ra) | Screw thread type |
Tension rod | 50 500 | ≤ 20 | 0.02 | 1.6 | NC, Tr |
4. Chemical Components and Mechanical Character
4340
Components | C | Mn | Si | P | S | Cr | Ni | Cu |
Min Max | 0.37 0.44 | 0.50 0.80 | 0.17 0.37 | ≤ 0.025 | ≤ 0.025 | 0.60 0.90 | 1.25 1.65 | ≤ 0.25 |
Mechanical character
Tension strength σb (MPa) | Yield strength σs (MPa) | Elongation δs (%) | ψ (%) |
≥980 | ≥835 | ≥12 | ≥55 |
5. Manufacturing process
EAF+ LF+ VD+ Forging + Rough machining + UT test + Precision machining+ Package
6.Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report
7.Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
8.Quality certification : ISO 9001: 2008, IQNET