S47450 18cr11nimonbvn 2cr11nimonbvn Stainless Steel for Steam Turbine Blade

• Type: Stainless Steel Bars
• Standard: ASTM, AISI, GB, JIS, DIN, EN
• Grade: 400 Series
• Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Cold Rolled
• Model NO.: S47450 18Cr11NiMoNbVN 2Cr11NiMoNbVN Stainless Stee
• Surface Treatment: Bright
• Transport Package: Full
• Specification: Customized
• Trademark: Shanshui
• Origin: Liaocheng
• HS Code: 7201500010

Product Description

Supplying dimension

Round bar from         30mm to 600mm Diameter

Flat and square bar from  30mm to 500mm Width

8mm to 300mm Thickness

*accept special shape

Forming option

Hot rolling or hot forged

 

Smelting process

EAF →VD→LF→ESR Electro-Slag Remelting

 

Surface option

Black

Grinding

Rough turned

Peeled

Polished

 

Quality

UT, size and surface for each pcs

Macrostructure

Ferritic Metallographic

Grain size

Nonmetallic inclusion

Etch test of tower sample

 

Delivery condition and hardness

Annealed or high temperature temper

Annealed	high temperature temper	Hardness
800 to 900 Celsius, slow	700 to 770 Celsius, fast	Max 255 HBW

*Accept +QT delivery condition

 

Equivalent Grade

Chinese UNS	Chinese New Grade	Chinese Old Grade
S47450	18Cr11NiMoNbVN	2Cr11NiMoNbVN

 

Chemical component

C

Si

Mn

P

S

Ni

Cr

Cu

Mo

V

Al

N

Nb

0.15 to 0.20

Max 0.50

0.50 to 0.80

Max 0.020

Max 0.015

0.30 to 0.60

10.00 to 12.00

Max 0.10

0.60 to 0.90

0.20 to 0.30

Max 0.03

0.040 to 0.090

0.20 to 0.60

 

Mechanical property and heat treatment

Quench temperature	Temper temperature	Specified Plastic Elongation Strength	Tensile strength	Elongation	Reduction	Impact	Hardness
Min 1090 Celsius, oil	Min 640 Celsius, air	Min 760 Mpa	Min 930 Mpa	Min 12%	Min 32%	Min 20 KJ	277 to 331 HBW