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Home > Products > Square & Hexagon Steel Bars > 8620 Sncm439 (SNCM8) Sncm220 (SNCM21) Square Steel

8620 Sncm439 (SNCM8) Sncm220 (SNCM21) Square Steel

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Basic Info

Model No.:  8620 Sncm439 (SNCM8) Sncm220 (SNCM21)

Product Description

Model NO.: 8620 Sncm439 (SNCM8) Sncm220 (SNCM21) Steel Grade: Carbon Steel Technique: Hot Rolled Surface Treatment: Polished Material: 30#S30c 1030 060A30 080A30 080m30 Xc32 Specification: Dimensions: 10*10-150*150mm HS Code: 72149100 Standard: AISI, JIS, ASTM, DIN, BS, GB Certification: UL, SGS Wall Thickness: Thick Alloy: Non-alloy Trademark: HELIO or or Buyer′s Brand Origin: China(Mainland)

Specifications
 
aisi 4340 8620 square steel 
1.hot rolled+black surface 
2.MOQ:20tons 
3.Size: 20*20-130*130mm 


 
4340 8620 SNCM439 (SNCM8) SNCM220 (SNCM21) square steel all
 
1.company website:www.chinawteelok.com
 
2.Chemical composition:

Grade

C

Si

Mn

P

S

Cr

Ni

Mo

8620

0.18-0.23

0.15-0.35

0.70-0.90

Max 0.035

Max 0.035

0.40-0.60

0.40-0.70

0.15-0.25

 
3.Mechanical Property:

AKV(impact  value)

Hardness

Tensile  strength

Yield  strength

elogation       Reduction of  area

47J

197HB  

980(100)MPA 

785(180)MPA 

9%

 
4. Size Tolerance
Length tolerance: +100mm/-0mm
Side length tolerance: +/-2mm
Straightness:Max 6mm/m
 
5. Quality Contation
Both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
Show heat No. on each bar
 
Contact:
amy
Tel: 0086-18963469093
 
 

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