Home Products Special Tool Steel

Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

All Products

Hot Work Tool Steel (70)

Cold Work Tool Steel (103)

Special Tool Steel (87)

Carbon Tool Steel (26)

Tool Steel Bar (60)

Engineering Steel Bar (60)

Hot Rolled Steel Bar (29)

Plastic Mold Steel (173)

Mold Steel Plate (48)

Hot Rolled Alloy Steel (37)

High Carbon Alloy Steel (18)

Steel Flat Bar (54)

Forged Steel Block (39)

High Speed Tool Steel (18)

Best Products

Special Tool Steel Round Bar For Die & Tool H13/1.2344/SKD61

Milling Surface Special Tool Steel Plate EN31 / SAE52100 For Mechanical

Standard High Precision Mould Material P21/NAK80 Special Tool Steel Plate

China Guangzhou Changfeng Steel Co., LTD certification

Gold supplier! Arranged shipment very fast, quality is super good. They are one of our best suppliers, will do more business with them in the future!

—— Ms Nguyen Thi Hong

We bought 7 containers from them in 2017, no quality problems. The boss is very nice and professional, good business parner!

—— Mr. Wan Rusli

Good job! Shipment was arranged fast, giving lots of good suggestions before place order, saved me time and money.

—— Mrs. Natntia Jitaniyompanich

I'm Online Chat Now

Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

Large Image : Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

Product Details:

Place of Origin:	China
Brand Name:	CF STEEL
Certification:	ISO, Mill Certificate
Model Number:	40CrNiMoA, AISI4340,39CrNiMO,40NiCRMo22,SNCM439

Payment & Shipping Terms:

Minimum Order Quantity:	3MT
Price:	USD800-900/MT
Packaging Details:	Export Standard Packing or Customers'demand
Delivery Time:	7-15 days
Payment Terms:	L/C, T/T
Supply Ability:	1000t/Month

Contact Now

Detailed Product Description

Standard:	AISI,DIN,ASTM,GB	Surface:	Machined,black,Plain,mill Finish Or Peeled Finish,Grinding
Technique:	Forged,Hot Rolled,Hot Work Mould Steel	Test:	SGS / Ut 100% / Element Testing
Delivery Condition:	Hot Rolled, Forged	Ut Standard:	Sep 1921-84 Class 3 C/C To D/D
Sample:	Free	Heat Treatment:	Annealing/Q+T
Hs Code:	722540 & 722830
High Light:	forging tool steel , carbon tool steel

Forged Steel 1045 8620 4340 4140/En19/Scm440/42CrMo Steel Round Bar / Square Bar

1. 4140 forged steel bar sizes we can offer;
Round bar: 200-1000mm
Square bar:150×150-600×600mm

2.Supply condition for 4140 Forged steel bars:Black /Rough Machined /Rough turned

3.Futhur heat treatment for 4140 forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

4. 4140 Forged Steel round bar tolerance:
Black surface
Forged sizes up to 500mm (-0/+5mm)
Forged sizes above 500mm in diameter (-0/+8mm)
Machined surface to all sizes (-0/+3mm)

5. 4140 Steel Equivalent

Standard	AISI / SAE 4140
UNS	-
WERKSTOFF NR.	41CrMo4, 42CrMo4, 42CrMoS4, 43CrMo4
BS 970	708M40, 708A42, 709M40, En19, En19C
UNI	41CrMo4, 38CrMo4 (KB), G40 CrMo4, 42CrMo4
JIS	SCM 440, SCM 440H, SNB 7, SCM 4M, SCM 4
EN name	42CrMo4
EN #	1.7223, 1.7225, 1.7227, 1.3563

6. Scm440 Forged steel 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	0.38-0.45	≤ 0.4	0.6-0.90	≤ 0.025	≤ 0.035	0.9-1.2	0.15-0.30
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

7. 4140 Steel Application
4140steel finds many applications as forgings for the aerospace,oil and gas,automotive, agricultural and defense industries etc.
Typical applications for Scm440 steel uses include:forged gears,spindles,fixtures,jigs,collars,Axles,conveyor parts,crow bars,logging parts,shafts,sprockets,studs,pinions,pump shafts, rams, and ring gears etc

8.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d

9.Heat treatment of 4140 Steel
Quenched and Tempered (+QT) of 4140 Steel
1. Heat 4140 steel slowly to 840-875°C;
2. Soak at this temperature then quench in oil;
3. Temper as soon as 4140 reach room temperature (20°C);
4. Heat uniformly to the suitable temperature of 560°C;
5. Withdraw the material from the furnace and cool in the air.
Annealing of 4140 Alloy Steel
1. Heat the 4140 slowly to 800-850°C and allow enough time.
2. Cool slowly in the furnace to 480°C followed by air cooling

10.MOQ: one piece per size/grade

11.Payment term: FOB CIF CFR EXW and so on

12.Delivery time : 7 to 30 days after deposit received.

Changfeng Tool & Die Steel main product:

STANDARD/GRADE of steel				Flat Bar Size(mm)			Round bar Size(mm)		Technics
DIN	AISM	JIS	GB(China)	Thickness	Width	Length	Diameter	Length	Technics
1.121	SAE1050	S50C	50#	10-450	155-2200	2000-12000			Forged, Hot Rolled
1.2311	P20	PDS-3	3Cr2Mo	10-460	155-2200	2000-10000	20-200	2000-6000
1.2738	P20+Ni	-	3Cr2NiMnMo	21-300	155-2200	2000-8000	20-200	2000-6000
1.2379	D2	SKD10	SKD10	10-200	155-810	2000-6000	14-80	3000-6000
1.2080	D3	SKD1	3Cr2Mo	10-200	155-810	2000-6000	20-200	3000-6000
1.2083	420	-	4Cr13	10-500	155-1200	2000-6000	12-300	3000-6000
1.2344	H13	SKD61	4Cr5MoSiV1	10-500	155-1600	2000-6000	16-400	3000-6000
1.2510	O1	SKS3	9CrWMn	10-200	155-810	2000-6000	20-200	3000-6000
1.7225	SAE4140	SCM440	42CrMo	10-280	155-2200	2000-6000	16-450	3000-6000

About Us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo 1

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.

Tag:

Contact Person: Echo

Tel: +86 18148729336

Fax: +86-020-8251-5866

Other Products

Compact Structure Pre Hardened Special Tool Steel 1.2311 P20 For Injection Plastic Die

Technology: Forged or Hot Rolled

Thickness: 10-460mm

width: >=155mm

length: 1600-2200mm

Hot Rolled 1.2311 P20 Alloy Mould Steel Flat Bar For Injection Plastic Die

Technology: Forged or Hot Rolled

Thickness: 10-460mm

width: >=155mm

length: 1600-2200mm

AISI 4130 Forging Tool Steel Bar For Mechanical With Length 3000-6000mm

Length: 3000-6000mm

Hardness: ≤235HB

Technology: Annealed

Surface: Black surface

Forging Tool Steel Round Bar EN24 4340 1.6511 For Vane With Dia. 20-100mm

Diameter: 20-100mm

Length: 3000-6000mm

Hardness: ≤235HB

Technology: Annealed

Prehardned HRC28-32 Hot Rolled Steel Plate 1.2311 P20 EAF+LF+VD+ESR

Surface treatment: Black/Peeled/Polished/Machined

Test: SGS/Ut 100%/Element testing

Shape: Round/plate/sheet/flat bar

Flaw detection: CC / DD/ EE

Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

Special Tool Steel Round Bar For Die & Tool H13/1.2344/SKD61

Milling Surface Special Tool Steel Plate EN31 / SAE52100 For Mechanical

Standard High Precision Mould Material P21/NAK80 Special Tool Steel Plate

Annealed Steel Square Bar 1045 8620 4340 4140 / En19 / Scm440 / 42CrMo

forging tool steel

carbon tool steel

Forged Steel 1045 8620 4340 4140/En19/Scm440/42CrMo Steel Round Bar / Square Bar

alloy tool steel,

carbon tool steel,

forging tool steel