Steel Round Bar/Tool Steel/Round Bar/Flat Bar/Mould Steel Sks31

• Type: Round
• Standard: JIS
• Composition: Ferrous Steel Scrap
• Technique: Hot Forged,or Hot Rolled
• Shape: Round,Flat or Square
• Surface Treatment: Polished
• Model NO.: SKS31 cold work tool steel
• Special Use: Mold Steel
• Application: Tool Steel Bar
• Size Range: Round Bar:Dia12~420mm Flat Bar:2~420 X 30~1500mm
• Smelting Process: Ef, Eaf, ESR
• Delivery Condition: Hot Rolled, Forged, Annealed,Quenched and Tempered
• Surface Condition: Black Surface, Grinded,Peeled,Milled,Polished
• MOQ: 1 Ton
• Delivery Details: Within 30-50days
• Packing Details: in Seaworthy Packing
• Quality Assurance: ISO9001 Certified,Iqnet,CQC,Nqa
• Applications: Die-Casting
• Loading Port: Shanghai
• Transport Package: Seaworth Packing
• Specification: Round Bar: Dia12~420mm Flat Bar: 2~420 X 30~1500mm
• Trademark: FUSHUN
• Origin: Huangshi, Hubei
• HS Code: 7228100000
• Production Capacity: 5000tons/Year

Product Description

Features:
Competitive price
immediate delivery
Premium quality
Reliable service
 
Size available:                                    
Square/Round Bar: 12~ 500mm
Flat:10~155 x 50~ 800mm

Applications:
SKS31 is used in a wide range of applications -Gauge,die for press,die for thread cutting cutting.
 

Packing details	In seaworthy packing, as your requirement.
Delivery details	within 30-50 days

 Chemical composition(%): 

C	Si	Mn	P	S	Cr	W
0.95~1.05	0.35max.	0.90~1.20	0.030max.	0.030max.	0.80~1.20	1.00~1.50

Surface condition: SKS31 with black surface, polished surface, grinded surface, peeled surface, milled surface.
Heat treatment & hardness of steel:

Annealed hardness(HB) & Annealed temperature(ºC)	217 max,750 to 800 slow cooling
Quenched and tempered hardness(HRC)  & Heat treatment temperature(ºC)	61 min,Quenching: 830 oil quenching,Tempering:180 air cooling

 
Smelting & Shaping: EF, EF/EAF+LF+VD, EF/EAF+ESR, hot forged/ hot rolled

Delivery condition: SKS31 with hot rolled, forged, annealed, quenched and tempered ,or as your special requirements.

Marking: Grade, heat NO. length will be stamped on each bar with required color.
 
Ultrasonic Test:Material will be ultrasonically tested at appropriate stages of the manufacture
 to ensure the quality, as agreed between seller and purchaser. 
 
Quality assurance: ISO9001 certified, IQNet, CQC.
 
Introduction: 



1.SKS31 widely used for cold working mold.
2.SKS31 with excellent combination of high toughness and resistance to thermal fatigue cracking.
3.SKS31 with good stability in heat treatment.