4140 Alloy Steel Square Bar / Alloy Steel 4140 Square Bar

• Customization: Available
• Standard: AISI, JIS, ASTM, DIN, BS, GB
• Certification: ABS, RoHS
• Model NO.: Alloy Steel 4140 Square Bar
• Technique: Hot Rolled
• Surface Treatment: Black
• Alloy: Non-alloy
• Delivery Condition: Hot Rolled
• MOQ: 5tons
• Payment Term: Tt LC
• Grade: Alloy Steel AISI 4140 Scm440
• Length: 6000mm or as Request
• Transport Package: Standard Sea Worthy
• Specification: 15x15-150X150mm
• Origin: China
• Production Capacity: 3000tons/Month

Product Description

4140 ALLOY STEEL SQUARE BAR / Alloy Steel 4140 Square Bar

 

 

hot-rolled flat steel, square steel and profiled steel, widely used in curtain walls, steel structures, automobiles, shipbuilding, metallurgy, power, chains, cold drawing, machining, engineering machinery, concrete machinery, highways, large tunnels, Bridge, urban rail transit, high-speed railway and other industries.

Our markets are all over the world such as the United of Emirates, Saudi Arab, Oman, South Korea, Vietnam, Malaysia, India, Pakistan, New Zealand, Australia, Italy, Romania, the United states, Argentina and so on.

 

1.Products :EN19,SCM440.1.7225 4140  Hot Rolled Steel Square Bar
Grades: EN19,SCM440.1.7225 4140
Delivery condition :Hot rolled, surface black.
Packing : by bundles.

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.Delievery condition:
1.Both end of each bar must be cut.
2.Show Heat No. on each bar
3.Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets. 
In case there is the above-mentioned defect.it shall be removed.
4.The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition 

4.Steel square bar anf flat bars sizes and grades we can offer

Products	Size(mm)	Main Grades
Hot Rolled Rectangle Steel Bar	(6-8)X(75-150)(8-9)X(65-160)	Carbon steel: A36,1008,1010, 1020/S20C, 1045/S45C,  S235JR/Q235,ST52 /S355JR/Q345,   Alloy steel: 5120,5140/40Cr, 4120, 4130, 4135,  4140/EN19/42CrMoA, 4145, 4150, 8620 etc.                                 Bearing steel: 52100/GCr15 etc.
	(10-20)X(60-210)(20-30)X(40-210)
	(30-40)X(35-210)(40-50)X(40-200)
	(50-60)X(50-180)(60-70)X(60-140)
	(70-100)X(70-120)(100-110)X(100-180)
Hot Rolled Square Steel Bar	20X20-150X150
Hot Rolled Steel Profile	As per drawing

5.Capacity of our factory:3000tons per month
6.MOQ:5tons
7.Delivery time : 7-30 days based on the sizes and quantity.
8.Payment term:TT or LC.
9.Applications of Square Bars
1): Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc.
2): Can be made into mould template, mortise pin, column
3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear...
4): This kind of steel is the most common blanks and materials of shaft parts.