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BS 708M40 Alloy Hot Rolled Steel Round Bar Size 10-350mm Length As Your Request
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Brand Name:Unite Steel
Model Number:Round bar
Certification:ISO/MTC/SGS/BV
Price:USD 700-1000 Ton
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:3000 Ton per month
Delivery Time:Within 15-45 days
Company Data
Active Member
Contact Person
Eric
Business Type:
86-21-35316960
Business Type:
Manufacturer Distributor/Wholesaler Agent Exporter Trading Company Seller
Officials:
Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
BS 708M40 Alloy Hot Rolled Steel Round Bar Size 10-350mm Length As Your Request
1. RELATED SPECIFICATIONS:
USA :AISI 4140 / ASTM A29/A29M-91 4140 / ASTM A322 4140 / ASTM A331 4140 (cold finish) / SAE 4140
JAPAN :JIS G 4103 SNCM4 / JIS G 4105 SCM4 / JIS G 4105 SCM440
GERMANY :DIN 17212 W.Nr. 1.7223 Type 41CrMo4 / DIN17200-1654 W.Nr 1.7225 Type 42CrMo4
GREAT BRITAIN:BS970 - 1955 EN19A / BS970 Part 3:1991 709M40
AUSTRALIA :AS 1444-2007 - 4140
2. DESCRIPTION:
AISI 4140 is a medium carbon, chromium and molybdenum alloy steel.
The normal condition is hardened
and tempered to a range of 850 to 1000 Mpa ultimate tensile
strength for bar sizes up to 220mm
diameter. Limited ruling sections may apply according to Australian
Standards
3. APPLICATIONS:
AISI 4140 is an ideal general purpose high tensile constructional
steel ready for use after machining. It is
used for shafts, axles, studs & bolts, large gears and light
duty form rolls. The steel is suitable for
induction or flame hardening.
4. TYPICAL CHEMICAL ANALYSIS:
BS 708M40 ALLOY STEEL ROUND BAR
| Carbon | Silicon | Manganese | Chromium | Nickel | Molybdenum | Phosphorus | Sulfur |
| 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | / | 0.15-0.25 | 0.035 max | 0.035 max |
Note:The figures are based on the data of 42CrMo, according to Chinese Standard GB-T 699-1999
Chemical compositions can be adjusted as your requirements with a MOQ of 300MTs.
5. HEAT TREATMENT CONDITION AND MECHANICAL PROPERTIES:
BS 708M40 ALLOY STEEL ROUND BAR
| Heat Treatment | Mechanical Properties | Hardness | ||||||
| Normalizing | Quenching | Tempering | Tensile Strength (Mpa) | Yield Point (Mpa) | Elongation (%) | Reduction of are (%) | Impact Absorbing Energy (J) | Before Heat Treatment (HB) |
| Celsius Degree | MIN | MAX | ||||||
| / | 850 | 550 | 1080 | 930 | 12 | 45 | 63 | 217 |
6. SIZE RANGE:
Diameter:10-350mm
Length:200-1300mm(cut as your requirement)
PACKAGE AND DELIVERY:
Seaworthy package or as your requirments;
10-25 days after confirmed.
CERTIFICATE OF QUALITY :
Issued in English , in addition the normal terms, production process, the mechanical property (yield strength,tensile strength, elongation and hardness. forged ratio, UT test result,Grain size, heat treatment methods and the sample of is shown on the certificate of quality.
MARKING :
Heat no will be cold stamped and steel grade, diameter (mm)length(mm) and the manufacture Logo and weight(KG) is painted.
Company Profile
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!
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