We pay attention to product development and quality, so that our C300 cobalt strengthened steelRound Bars, High Speed Steel, 8620 Alloy Steel Bar reaches the leading level of similar products. Brand building and promotion is our unwavering goal, and providing high quality products to our customers is our unchanging promise. Just one phone call from you, our pre-sale service system will start and we will serve you wholeheartedly. As our service tenet said we do what we said ,serve attentively. Our Persistent endeavors aim to win recognition from more customers.
1.3355 High speed steel bar
1.3355 High speed steel bar can be used for a lots of fields, such as:to make high performance requirements of the mould, and hot spring roll, high temperature bearing. Turning tool, milling cutter, broach, drill, reamer, gear shaper cutter, large and thermoplastic forming cutting tool and cutting tool wear resistance under high load, cold extrusion dies, etc.production of high speed cutting machine tool and high temperature resistant and has a certain vibration load of the cutting tool.
1.3355 High speed steel bar can also be used for high precision cutting tools, precision broach, forming milling cutter, special tool and all kinds of high hardness, cutting tool.

Product Basic Information:
1.3355 Chemical composition%
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
v |
w |
|
0.73-0.83 |
0.20-0.40 |
0.10-0.40 |
max. 0.03 |
Max. 0.03 |
3.80-4.50 |
Max. 0.03 |
1.0-1.20 |
17.2-18.7 |
1.3355 Physical Property
|
Temperature ℃ |
Density g/cm3 |
Elasticity modulus KN/mm2 |
Coefficient of thermal expansion |
Coefficient of heat conduction W/m℃ |
Specific heat J/KG℃ |
|
20 |
8.26 |
225 |
24 |
420 |
|
|
200 |
8.12 |
200 |
12.1×10-6 |
28 |
510 |
|
400 |
8.06 |
180 |
12.6×10-6 |
27 |
600 |


Heat Treatment Temperature:
· Anealing temperature: 840-860℃
· Tempering temperature: 540-560℃
· Quenching temperature: 1120-1240℃
· HRC: 65-68
Delivery Condition:1.3355 High speed steel bar delivery condition is annealing, with hardness less than 269HB.
Delivery Time: Normally is about 45 to 60 days to planing produce.

Packing & Delivery

Why choose us :
● Competitiveness only with cost performance
Physical factories, complete equipment, professional quality and ultra-flat ex-factory prices are the core competitiveness of our company.
● Perfect management team
A professional management team and advanced production equipment are a powerful guarantee for us to achieve high-quality products. We sincerely welcome field inspections.
● One-stop service for customers: rest assured, worry-free and comfortable
Our Service

Our company always adheres to the corporate tenet of 'good quality and honesty' and adopts scientific management mode. With advanced production technology and good after-sales service, we are committed to becoming a trusted supplier of 1.3355/T1/Skh2 High Speed Steel Hot Rolled Round Steel bars worldwide. Our company has transacted relevant commercial insurance for employees and customers, conducted background investigation on employees and all employees have met relevant regulations and undergone strict training. We focus on serving the global business partners and clients with the customer-oriented service concept. We will trace and keep the pace with technique improvements and develop new products for customers.

