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

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Quenched and Tempered
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Surface Treatment: Oiled
• Alloy: Alloy
• Model NO.: astm a193 grade b7
• Special Use: Cold Heading Steel, Threaded Rods, Anchor Bolts
• Grades: 4140 / ASTM A193 B7
• Applications: Threaded Rods, Anchor Bolts
• MOQ: 1ton
• Sizes: M8-M120
• Property: as Per ASTM A193 B7
• Raw Material: SAE / AISI 4140
• Transport Package: Anti-Rust Packing
• Specification: 1/4′′ to 4′′
• Origin: China
• HS Code: 72283090
• Production Capacity: 3000tons/Month

Product Description

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

Standard	Grade	C	Si	Mn	P	S	Cr	Mo
ASTM A29	4140	0.38-0.43	0.15-0.35	0.75-1.00	≤ 0.035	≤ 0.04	0.8-1.1	0.15-0.25
	42CrMo4	0.38-0.45	≤ 0.4	0.6-0.90	≤ 0.025	≤ 0.035	0.9-1.2	0.15-0.30
EN10083	1.7225
JIS G4105	SCM440	0.38-0.43	0.15-0.35	0.6-0.85	≤ 0.035	≤ 0.04	0.9-1.2	0.15-0.30
GB 3077	42CrMo	0.38-0.45	0.17-0.37	0.5-0.80	≤ 0.035	≤ 0.035	0.9-1.2	0.15-0.25
BS 970	EN19	0.35-0.45	0.15-0.35	0.5-0.80	≤ 0.035	≤ 0.035	0.9-1.5	0.2-0.40

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