Structure: | Worm |
---|---|
Material: | Steel |
Coatings: | Black Oxide |
Torque Capacity: | according to the order |
Length: | no more than 15m |
Model Number: | 10m |
Place of Origin: | China (Mainland) |
Brand Name: | ZYZXDY |
OD: | 100mm to 1000mm |
weight: | 20 ton |
Quick Details
Specifications
Product description:
Certificate:API spec 7-1,API Q1,ISO/TS29001,ISO9001:2008
Production process:forging + heat treatment +threading + hardfacing
Heat treated by water quenching and tempering,rough machined as the drawing dimension.
Strict UT inspection according to ASTM A-388 to guarantee high quality.
1.Shafts in ZYZXDY are made from AISI 4140 Alloy steel.
2. Strict UT inspection according to ASTM A-388 to guarantee high quality.
3. The physical properties are guaranteed one inch below the surface at normal temperature.
4140 chemical component | |||||||
chemical | C | Si | Mn | Cr | Mo | Cu | P,S |
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.80-1.10 | 0.15-0.25 | 0.25max | 0.02max |
mechanical properties: (simples taken from 1/3 radius)
Tensile strength: >=590Mpa
Yield strength:>=390Mpa
Elongation:>=15%
Reduction of area:>=50%
Charpy V impact(Aku):>=31J(at room temperature)
Hardness:176-241 HB