SAE 4140 42CrMo4 Cold Drawn Qt Steel Round Bar

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Cold Drawn
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Surface Treatment: Polished
• Alloy: Alloy
• Model NO.: SAE 4140 42CRMO4
• Special Use: Mold Steel
• Surface: Cold Drawn Bright
• Surfaces: Oiled
• MOQ: 2tons
• Transport Package: Anti-Rust Packing
• Specification: M5-M100
• Origin: China
• Production Capacity: 3000tons/Month

Product Description

SAE 4140 42CRMO4 Cold Drawn QT Steel Round Bar
aisi 4140 Cold Drawn Bright Surface steel round bar
AISI 4140 / 42CRMO4 Quenched and tempered steel round bar

1. Equivalent grades:

GB,YB	JIS	DIN(W-Nr.)	ASTM	BS	NF
42CrMo	SCM440/(SCM4)	42CrMo4-1.7225	4140	708M40/709M40/708A42/EN19	42CD4

2. Steel 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

3.Cold drawn Steel Sizes we can offer:

Shapes	Sizes
cold drawn steel round bar	5mm to 120mm
cold drawn steel square bar	5*5mm to 120*120mm
cold drawn steel hex bar	5mm to 120mm
cold drawn steel hexagonal bar	5mm to 120mm(side to side)

4. Cold drawn steel bar processing:
hot rolled bars/wire rods - spheroidizing annealed - pickling - cleaning - saponifing - cold drawn - (softening annealed for alloy steel/bearing steel) - cutting - bundling - packing - finished products

5. Cold Drawn Steel Bar Tolerance: h8-h11.


6. Cold Drawn Steel Bar Straightness; Max 1mm/m

7. Cold drawn steel bar length : 3000-6000mm in general, but can cut to any length according to customers' requirements.

8.Packing: Rusty proof packages. Anti rusty oil painting, film wrapped inside and Nylon plastic bags wrapped outside

9.Cold Drawn Steel bar applications:
Used to produce steel fastners such as bolts and screws, roller shaft in conveyor belt, piston rod, motor shaft etc.

10.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

11.MOQ:2tons

12.Delivery time:7-30 days upon to the order details

13.Trade term: FOB CFR CIF EXW 

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