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Qingdao Guanghongxing International Trade Co., Ltd.

Alloy Round Steel, Hot Rolled Round Steel, Round Steel Bar manufacturer / supplier in China, offering ASTM4140 Scm440 42CrMo Alloy Steel Round Bar with High Quality, Outdoor Home Garden Camping Metal Barbecue Grill with Ce, Gbq195, Q235, Q275, JIS Ss400, 3sp, 4sp Steel Billets and so on.

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Supplier Homepage Product steel round bar ASTM4140 Scm440 42CrMo Alloy Steel Round Bar with High Quality

ASTM4140 Scm440 42CrMo Alloy Steel Round Bar with High Quality

Purchase Qty.:
20-99 100+
FOB Unit Price: US $360 US $300
Purchase Qty. (Tons) FOB Unit Price
20-99 US $360
100+ US $300
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Port: Tianjin, China
Production Capacity: 300000mt Per Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ASTM4140 SCM440 42CrMo
  • Standard: AISI, ASTM, DIN, JIS, GB, BS
  • Technique: Hot Rolled
  • Surface Treatment: Black or as Required
  • Application: Die Steel Bar
  • Process: Hot Rolled
  • Brand: Xiwang
  • Length: 6000-12000mm or as Your Required
  • Delivery Date: Within 30days After Order Signed
  • Trademark: Xiwang
  • Specification: 10-350mm
  • HS Code: 7228100000
  • Type: Alloy Steel Bar
  • Composition: Ore
  • Shape: Round
  • Special Use: Free Cutting Steel
  • Product: Alloy Steel Bar
  • Executive Standard: GB, ASTM, DIN, JIS
  • Diameter: 10-350mm
  • Terms: Fob/CFR/CIF
  • Packing Method: in Bundle or as Required
  • Transport Package: Seaway Standard Packing
  • Origin: Shandong, China
Product Description
ASTM4140 SCM440 42CrMo alloy steel round bar

1.Prouduct:Alloy Round Steel

2.Process:Hot rolled or forged, Peeled(bright surface), annealed or QT.

3.Length: 6000-12000mm or as required

4.Trade Terms:FOB/CFR/CIF

5.Delivery date:Within 30 days after order signed


Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
6.Heat Treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C

7. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C

8.Quality Condition:
Both end of each bar must be cut.
Ladle furnanced and vacuum de-gassed
Show heat No. On each bar
Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.

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Qingdao Gunaghongxing Steel Co., Ltd

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