China 42CrMo4 4140 Q&T Steel Round Bars Alloy Steel ASTM A193 Grade B7 Round Bars

42CrMo4 4140 steel bars / alloy steel astm a193 grade b7 round bars

SAES 4140 STEEL QUENCHED AND TEMPERED TO ASTM A193 B7 PROPERTIES, USED FOR THREADED ROD, ANCHOR BOLTS, STUD BOLTS AND SO ON.

1.AISI / SAE 4140 chemical composition

StandardGradeCSiMnPSCrMoASTM A2941400.38-0.430.15-0.350.75-1.00≤ 0.035≤ 0.040.8-1.10.15-0.25 42CrMo40.38-0.45≤ 0.40.6-0.90≤ 0.025≤ 0.0350.9-1.20.15-0.30EN100831.7225JIS G4105SCM4400.38-0.430.15-0.350.6-0.85≤ 0.035≤ 0.040.9-1.20.15-0.30GB 307742CrMo0.38-0.450.17-0.370.5-0.80≤ 0.035≤ 0.0350.9-1.20.15-0.25BS 970EN190.35-0.450.15-0.350.5-0.80≤ 0.035≤ 0.0350.9-1.50.2-0.40

2.Delivery condition and size :
Hot rolled
Hot rolled+Q&T(Quenched and tempered)
Hot rolled+Annealed+Cold Drawn
Hot rolled+Annealed+Cold Drawn+Q&T(Quenched and tempered)
Hot rolled+Annealed+Peeled+Q&T(Quenched and tempered)
3.MOQ:3ton per size
4.Straightness: max 1mm/m
5.Payment terms: T/T or L/ C
(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.
(2)100% irrevocable L/C at sight
6.Delivery time:7-30 days after your deposit or L/C.
7.Trade term: FOB CFR CIF
8. Mark: including steel material, heat No., pieces, weight, date and so on.
9.Quality control:
We company have good QC inspection tear and full set of inspect equipment including: UT test machine, Tensile testing machine,Hardness testing machine,Dimensional measuring instrument,f,spectrometer,metallographic microscope and so on, so that we can always supply good mateterials for various projects and industries , if you have any need for our producrs,please contact us freely.
10.Our Services

Capability from Raw material to processing to final products under one Roof .
Highest customer satisfaction
Economy of products
Absolute reliability
Highly-qualified and motivated personnel
No tolerance of errors
Continuous optimisation of all processes