AISI SAE 4140 Forged Q+T Boring/Drill Alloy Steel Hollow Bar

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Min Order 1 Ton
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Hunan Shunfu Metal Material Co., Ltd.

VIP   Audited Supplier 3 years
Profile Certified by SGS/BV
4140
Technical/Sample/Quality
One Year
Seamless
Rolled or Forged
Alloy Steel
Black/Peeled/Polished
Oil/Gas Drilling
Round
SHUNFU
Anticorrosion Seaway Packages
OD 30-850mm
China
Product Description
AISI SAE 4140 Forged Q+T Boring/Drill Alloy Steel Hollow Bar

Introduce
We are Chinese professional manufacturer of forged QT boring steel bar for oil services. We can supply multiple AISI/SAE standard alloy steel materials and forged bar diameter 80-500mm, boring hole diameter 10-250mm, max boring length 14 meters.  

Product advantage
Boring one side: no step in the boring bar
High-tech Boring Equipment: Good Straightness and Roughness, Tiny Tolerance and Roundness
Stable mechanical property in materials after QT process
Chemical component according to America standard 100%
Ensure UT and drift test for each pieces

Company advantage
We have decades of produce experience in QT/Boring process and strict quality management system(ISO NQA 9001)
We cooperated with several middle-east oil gas companies for many times and have API certificates.
Our sales team are professional steel industry staff and exporter with fluent English.
We accept variety convenient payment ways and the third parties inspection organization.

Chemical Properties 
GradeCCrMnSiMoSP
41400.38-.43%0.80-1.10%0.75-1.0%0.15-0.30%0.15-0.25%0-0.040%0-0.035%

Specification
Product NameForged QT Boring Alloy Steel Bar For Oil Services
SpecificationAPI 5CT/5CP/6A
Steel Grade4130, 4140, 4145, 4145H, 4330V, 4137, 4340
ProcessHot Forged+QT+Boring
Forged Bar Diameter8-500mm
Boring Hole Diameter10-250mm
LengthMax14 meters
InspectionSize, Chemical, Mechanical, UT, Drift Test, Low/High Temp. Impact
CertificateMTC, CO/FE/FA, BV/SGS
MOQ1-5 tons
Delivery Time10-30 days
Trade ItemFOB CIF CFR PPU PPD
PackagingLoose/Bundle/Wooden Pallet/Wooden Box/Plastic Cloth Wraps /Plastic End Caps/Beveled Protector

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