S46020 21cr12MOV 2cr12MOV 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.: S46020 21Cr12MoV 2Cr12MoV Stainless Steel For Stea
• 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
880 to 930 Celsius, slow	750 to 770 Celsius, fast	Max 255 HBW

*Accept +QT delivery condition

 

Equivalent Grade

Chinese UNS	Chinese New Grade	Chinese Old Grade
S46020	21Cr12MoV	2Cr12MoV

 

Chemical component

C	Si	Mn	P	S	Ni	Cr	Cu	Mo	V
0.18 to 0.24	0.10 to  0.50	0.30 to 0.80	Max 0.030	Max 0.020	0.30 to 0.80	11.00 to 12.50	Max 0.30	0.80 to 1.20	0.25 to 0.35

 

Mechanical property and heat treatment

Type	Quench temperature	Temper temperature	Specified Plastic Elongation Strength	Tensile strength	Elongation	Reduction	Impact	Hardness
1	1020 to 1070 Celsius, oil	Min 650 Celsius, air	Min 700 Mpa	900 to 1050 Mpa	Min 13 %	Min 35%	Min 20 KJ	265 to 310 HBW
2	1020 to 1050 Celsius, oil	700 to 750 Celsius, air	590 to 735 Mpa	Max 930 Mpa	Min 15 %	Min 50%	Min 27 KJ	241 to 285 HBW