1. Product Name:

Name:  Black surface steel bar/flat bar D2 in stock 

Shape:  Round or Flat bar

Tolerance of Width:  +5.0/-0.0mm

Tolerance of Thickness:  +1.5/-0.0mm

Annealed hardness: HB≤255

Surface treatment:  Annealed/Machined/Milled

UT standard:  SEP 1921-84 Class D/d

QC equipment:  UT;Mobile/ Oxford spectrometer

Year of manufacturing:  15 years

Production process:  EAF/IF/ESR+ LF+ VD

Size Range:  T:5-410mm  W:50-810mm
                     Dia:12-610mm

Stock:  3000MT

Delivery time:  Tailored products: about 30-45days; Products in stock: 7days

 

2. Grades:

ASTM	DIN	JIS	GB
D2	1.2379	SKD11	Cr12MO1V1

3. Chemical Composition (%):

C	Si	Mn	Cr	V	Mo	P	S
1.40-1.60	≤0.6	≤0.6	11.0-13.0	0.7-1.1	≥0.75	≤0.03	≤0.03

4. Product Show:

5. Production Process:

*Flow Chart:

*Comparision: 

	Production Process	Equipments
Before	EAF+Forging+Rolling+Annealing	Φ320 Rolling Machine
		Φ650 Rolling Machine
Now	EAF/IF+VD+LF+ESR	3000T Fast Forging Machine
		Φ750 Rolling Machine
		Φ950 Rolling Machine
		Φ750 Continuous Rolling Machine

 6. Quality Inspection:

*Flow Chart

 * The Details:

UT Standard	SEP 1921-84 Class D/d
Spectrum Analyzer	--
Hardness Test	255HB
Thickness Test	+1.5/-0mm
Width Test	+5/-0mm
Length Range	2500-5800mm

Packaging & Shipping

7. Delivery & Package:

*Flow Chart:

 

* The details:

	Delivery time/Lead time	Delivery Condition
Products in Stock	Within 7 working days	Hot rolled annealed in black surface
Tailored Products	About 30-45 days
Process: Oil→ Paint→ Bundle→ Pack→ Delivery

Company Information

  

8. Our Advantages:

1.Solid domestic market.

---Average monthly sale: about 2500-3000MT.

 

2.Save your time.

---Huge warehouse: 3000MT steel bars in stock

 

3.Our new production line can upgrade the steel inner & outer structure with larger capacity at almost the same price.

4.Professional service team to give you prompt reply.

 

5.Small narrow bars are also available.