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硼系列-英文

Ferroboron
Uses:
Mainly used in steel and cast iron, used in alloy structural steel, spring steel, low alloy high strength steel, heat resistant steel and stainless steel, etc. Boron can enhance the toughness and wear resistance in cast iron. It is widely used in automobile, tractor and machine tool manufacturing.

The product quality standard implements national standard GB5682-87
Appearance quality

There should be no non-metallic inclusions in the boron iron surface and cross section.

Packing

The product is packed in iron barrel and the net weight is50-100kg each barrel.

Physical state
It is delivered in blocks, with the size ranging from 5mm to 100mm. The amount of blocks with the size larger than 100mm or less than 5mm should not exceed 10% of the total amount.
Grade and chemical composition

Type

Grade

Grade and chemical composition/%

B

C

Si

Al

S

P

Cu

Low-carbonmedium-carbon

FeB23C0.05

20.O~25.0

0.05

2.O

3.O

O.01

O.015

O.05

FeB22C0.1

19.O~25.0

O.1

4.O

3.O

0.01

0.03

---

FeBl7CO.1

14.0~19.O

O.1

4.0

6.O

O.O1

O.1

---

FeBl2CO.1

9.0~<14.O

O.1

4.0

6.0

O.01

0.1

---

medium-carbon

FeB20C0.5

A

19.0~21.O

O.5

4.O

O.05

O.O1

O.1

---

B

O.5

4.O

0.5

O.O1

O.2

---

FeBl8CO.5

A

17.0~<19.0

0.5

4.O

0.05

O.O1

O.1

---

B

0.5

4.0

O.5

O.O1

O.2

---

FeBl6C1.O

15.0~17.0

1.0

4.O

O.5

O.01

O.2

---

FeBl4C1.0

13.O~<15.O

1.O

4.0

O.5

0.01

O.2

---

FeBl2C1.0

9.0~<13.0

1.0

4.O

O.5

O.01

O.2

---


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