420 1.4021 X20cr13 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.: 420 1.4021 X20Cr13 Stainless Steel For Steam Turbi
• 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 223 HBW

*Accept +QT delivery condition

 

Equivalent Grade

Chinese UNS	Chinese New Grade	Chinese Old Grade	JIS	ASTM SAE AISI	EN BS DIN	EN BS DIN
S42020	20Cr13	2Cr13	SUS420	420	1.4021	X20Cr13

 

Chemical component

C	Si	Mn	P	S	Ni	Cr	Cu
0.16 to 0.24	Max 0.60	Max 0.60	Max 0.030	Max 0.020	Max 0.60	12.00 to 14.00	Max 0.30

 

Mechanical property and heat treatment

Type	Quench temperature	Temper temperature	Specified Plastic Elongation Strength	Tensile strength	Elongation	Reduction	Impact	Hardness
1	950 to 1020 Celsius, air, oil	660 to 770 Celsius, oil, air, water	Min 490 Mpa	Min 665 Mpa	Min 16 %	Min 50%	Min 27 KJ	212 to 262 HBW
2	980 to 1030 Celsius, oil	640 to 720 Celsius, air	Min 590 Mpa	Min 735 Mpa	Min 15 %	Min 50%	Min 27 KJ	229 to 277 HBW