ASTM O7 Round Steel with Cold Working Mould Steel

Product Details
Customization: Available
Type: Steel Bar
Standard: ASTM, AISI, GB, DIN
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  • ASTM O7 Round Steel with Cold Working Mould Steel
  • ASTM O7 Round Steel with Cold Working Mould Steel
  • ASTM O7 Round Steel with Cold Working Mould Steel
  • ASTM O7 Round Steel with Cold Working Mould Steel
  • ASTM O7 Round Steel with Cold Working Mould Steel
  • ASTM O7 Round Steel with Cold Working Mould Steel
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Basic Info.

Model NO.
ASTM 07
Certification
ISO
Surface Treatment
Coated
Technique
Cold Rolled
Application
Mold & Dies
Special Use
Cutting Tools, Cutters in Common Steel, High-strength Steel Plate
Stock
Stock
MOQ
500kg
Customized Sample
7days
Shipping Port
Shanghai, Nibong, Tianjing
Stock or Not
Stock Enpugh
Payment Term
T/T L/C
Delivery Term
Fob,CIF,EXW.etc
Shipping
by Sea ,Air
Transport Package
Nude Packing
Trademark
boz
Origin
China
Production Capacity
5000tons/Month

Product Description

Description

ASTM O7 Round Steel with Cold Working Mould Steel

Product show:
ASTM O7 Round Steel with Cold Working Mould Steel


Description

Chemical Composition (%)

Steel Grade

C

Si

Mn

P

S

Cr

Mo

V

1.2842

0.85
0.95

0.10
0.40

1.80
2.20


0.030


0.030

0.20
0.50

----

0.05
0.15

O2

0.85
0.95


0.50

1.40
1.80


0.030


0.030


0.50


0.30


0.30


 
Dimensions

Shape

Thick / Dia. (mm)

Width (mm)

Round

8-700

/

Flat

1.6-200

20-1000

Block

150-600

200-1500


 
Delivery Condition
EAF+LF+VD, Hot rolled or Forged, Spheroidizing Annealed, Hardness≤220HB, Unmachined or Machined surface (Peeled, Turned, Milled, Grinded), UT 100% Passed
 
Characteristics
1. Cold work tool steel with high dimensional stability at heat treatment.
2. Very high cracking resistance. High machinability, medium thoughness and wear resistance. 
 
Applications
Tools (punches) and dies for blanking, punching and similar operations; threading and wood working tools, machine knives for the pulp, paper and metal working industries; measuring tools and plastic mould dies.
 
Heat Treatment
Annealing
680 to 720°C
Slow controlled cooling in furnace at a rate of 10 to 20°C/hr down to approx. 600°C, further cooling in air. Hardness af ter annealing: Max. 220 HB.
 
Stress relieving
Approx. 650°C
Slow cooling in furnace; intended to relieve stresses set up by extensive machining, or in complex shapes. After through heating, hold in neutral atmosphere for 1-2 hours.
 
Hardening
790 to 820°C
Oil, salt bath (200 to 250°C) up to 20 mm thickness. Holding time after temperature equalization: 15 to 30 minutes. Obtainable hardness: 63 - 65 HRC
 
Tempering
Slow heating to tempering temperature immediately after hardening/time in furnace 1 hour for each 20 mm of work piece thickness, but at least 2 hours/cooling in air.For certain cases we recommend to reduce tempering temperature and increase holdingtime.
 
Our Company:

Bozhong Group Mainly supply in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality. The products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection, offshore, chemical, oil & gas, military, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture, etc.

Our Company
ASTM O7 Round Steel with Cold Working Mould Steel
Our Team

ASTM O7 Round Steel with Cold Working Mould Steel

ASTM O7 Round Steel with Cold Working Mould Steel
ASTM O7 Round Steel with Cold Working Mould Steel
ASTM O7 Round Steel with Cold Working Mould Steel

Our Service For You
Pre-sale Service
1. Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock,and can deliver within short time.Many styles for your choices. 
3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you
5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 
6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor.

After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.

After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.
 

FAQ: 
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price. 
 
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
 
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
 
Q: What is the payment term?
A: T/T or L/C.
 
Q: Can you provide a sample for our testing before confirm the order?
A: Yes. We can provide sample to you for approval before you place an order to us. Free sample is available if we have stock.
 
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come. 

contact:

Name: Stephaine LI

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