• Model NO.：42CrMo4 42CrMoS4 1.7225 Q&T Steel Round Bar
• Condition：Quenched and Tempered
• Surface：Oiled
• Commodity：42CrMo4 42crmos4 1.7225 Q&T Steel Round Bar
• Grades：42CrMo4, 42crmos4, 1.7225, 4140, Scm440
• Sizes：10mm to 310mm
• MOQ：5ton
• Transport Package：Standard Export Packing
• Specification：M12-M100
• Origin：China
• HS Code：72283090
• Production Capacity：3000tons,Month

Basic Info.

Model NO. 42CrMo4 42CrMoS4 1.7225 Q&T Steel Round Bar Condition Quenched and Tempered Surface Oiled Commodity 42CrMo4 42crmos4 1.7225 Q&T Steel Round Bar Grades 42CrMo4, 42crmos4, 1.7225, 4140, Scm440 Sizes 10mm to 310mm MOQ 5ton Transport Package Standard Export Packing Specification M12-M100 Origin China HS Code 72283090 Production Capacity 3000tons/Month

Product Description

ASTM4140 Scm440 42CrMo Cold Drawn Q&T Steel Round Bar

1.4140 equivalent steel grades and chemical composition:

ASTM A29/29M	C	Si	Mn	Cr	Mo	P	S
4140	0.38~0.43	0.15~0.35	0.75~1.00	0.80~1.10	0.15~0.25	≤0.035	≤0.040
DIN WN-r	C	Si	Mn	Cr	Mo	P	S
1.7225	0.38~0.45	≤0.40	0.60~0.90	0.90~1.20	0.15~0.30	≤0.035	≤0.035
GB/T	C	Si	Mn	Cr	Mo	P	S
42CrMo	0.38~0.45	0.17~0.37	0.50~0.80	0.90~1.20	0.15~0.25	≤0.030	≤0.030
BS	C	Si	Mn	Cr	Mo	P	S
708M40	0.36~0.44	0.10~0.35	0.70~1.00	0.90~1.20	0.15~0.25	≤0.035	≤0.035
JIS	C	Si	Mn	Cr	Mo	P	S
SCM440	0.38~0.43	0.15~0.35	0.60~0.85	0.90~1.20	0.15~0.30	≤0.030	≤0.030

2. 4140 Steel Applications
AISI 4140 is used extensively in most industry sectors for a wide range of applications such as:

Strippers bolts axle shafts
tool bodies bolsters holder blocks
stubs crankshafts tool holders
machinery parts and components mold bases couplings
connecting rods tie rods conveyor parts
ejectors reamer bodies chuck bodies
boring bars crow bars back up and support tooling
axles collets guides
logging parts fixtures piston rods
conveyor pins & rolls tracks shafts
jigs rams ejector pins
ways sprockets molds
hydraulic machinery shafts forks slides
studs cams gears
guide rods wear strips or parts pump shafts
drill collars sprockets torsion bars
forming dies ring gears gear racks
chain links lathe spindles brake dies
adapters valves spindles
logging parts trim dies arbors
milling spindles motor shafts pinch bars
pins pinions nuts
pump shafts tool holders sockets

3.Supply Size range

Delivery condition	Diameter ranges
Hot tolled	M12-M310
Hot rolled+Q&T(Quenched and tempered)	M12-M310.
Cold drawn +Q&T(Quenched and tempered)	M10-M100
Peeled / Peeled+Q&T	M10-M100
Forged/Forged+Heat treatment.	M250-M1000

4.Quality control
1.Process for Steel round bar
Blast Furnance→ Molten Iron Pretreatment→Converter→LF→VD/RH→ContinuousCasting→Hot Rolling(KOCKS)→ Heat Treatment→ UT Inspection→Finish Product
EAF→LF→VD/RH→ Continuous Casting→Hot Rolling(KOCKS)→ Heat Treatment→ UT Inspection→ Finish Product
2.Grain Sizes:5-8
3.Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets. 
4.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

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:within 7 days after your deposit or L/C.

7.Trade term: FOB CFR CIF

8.Port of loading:Qingdao , China

9. Mark: including steel material, heat No., pieces, weight, date and so on.