Intermediate Shaft - Marine Forgings

Intermediate Shaft is used to connect thrust shaft and propeller shaft. It is made of stainless steel, forged steel or alloy steel. To ensure the quality of the product, we adopt the 100% ultrasonic flaw detection test in the production process. Our products are approved by ABS, BV, DNV, GL, LR, CCS, etc. We promise to offer the best products and first class service.
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Product Description

  • Commodity name: Intermediate Shaft - Marine Forgings

Intermediate Shaft is used to connect thrust shaft and propeller shaft. It is made of stainless steel, forged steel or alloy steel. To ensure the quality of the product, we adopt the 100% ultrasonic flaw detection test in the production process. Our products are approved by ABS, BV, DNV, GL, LR, CCS, etc. We promise to offer the best products and first class service.

Intermediate Shaft - Marine Forgings Description

Intermediate shaft has both ends with large flange which will be connected to other transmission shafts it acts as key point among diesel engine and propeller.

 

Longitudinal Scope 3,000 mm–20,000 mm
Size OD: 200-1000 mm
Weight scope 8,000 kg–80,000 kg
Shape Pull Rod, Flange Shaft, Step, Conical
Material Stainless Steel, Forged Steel, Alloy Steel
Process EAF + LF + VD + Forged + Heat Treatment (optional)
Heat Treatment Normalized / Annealed / Quenched / tempered
Quality Controlling Steel Melting, Forging, Heat Treatment For Mechanical, Nde, Microstructure, Mechanical, Impact, etc.
Application Used To Connect Thrust Shaft And Propeller Shaft

 

Chemical Component(%)

C

Si

Mn

Mo

Cr

S

P

Ni

Cu

Other

0.32-0.40

0.17-0.37

0.50-0.80

/

≤0.25

≤0.035

≤0.035

≤0.25

≤0.25

/

 

Mechanical Properties at Nomal Temperature

Nominal Thickness (mm)

Heat Treatment Condition

Tempering Temperature (°C)

o b (MPa)

o s (MPa)

o 5(%)

Akv (J)

HB

≤100

Normalizing

/

510-670

≥265

≥18

≥20

136-200

100-300

Normalizing and Tempering

≥590

490-640

≥255

≥18

≥20

130-190

 

Held Value Strength at High Temperature

Nominal Thickness (mm)

During the following temperature (°C), o 0.2 (MP) should be not less than

10

100

150

200

250

300

350

400

450

≤100

265

235

225

205

186

172

157

147

137

100-300

255

230

220

200

181

167

152

142

132

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