1.7035 SAE5140 GB40Cr SCR440 Hot Rolled Alloy Steel Round Bar

• Standard: DIN, JIS, AISI, GB
• Technics: Hot Rolled
• Application: Die Steel Bar
• Surface: Black
• Alloy: Alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel
• Model NO.: 1.7035/SAE5140/40Cr/SCr440
• Quality Assurance: 100% UT passed
• Delivery Time: 7days
• Condition: stock
• Delivery condition: hot rolled black surface
• Transport Package: Standard/Customized
• Specification: standard/customized
• Trademark: customized
• Origin: China
• HS Code: 7306900090
• Production Capacity: 1000t/Month

Product Description

1.7035 SAE5140 GB40Cr SCR440 Hot Rolled Alloy Steel Round Bar 

1. Features

1.Belong to the ultra-high strength steel

2. High strength and toughness
3. Good hardenability

2. Similar Standards

Chinese	American	German	Japanese	ISO
GB	AISI	DIN	JIS
40Cr	SAE5140	1.7035	SCr440	41Cr4

3. Chemical Composition

Grades	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
5140	0.37-0.44	0.17~0.37	0.70~0.90	≤0.040	≤0.035	0.70~0.90	≤0.10	≤0.030	≤0.030
40Cr	0.37-0.44	0.17-0.37	0.5-0.8	≤0.30	≤0.035	0.80~1.10	≤0.10	≤0.030	≤0.30
1.7035	0.38-0.45	≤0.4	0.6 - 0.9	≤ 0.025	≤ 0.035	0.9 - 1.2	≤0.10	≤0.030	≤0.30
SCr440	0.38~0.43	0.15~0.35	0.60~0.90	≤0.030	≤0.030	0.90-1.20	≤0.10	≤0.030	0.25

4. Heat Treatment

Quenching			Tempering
Heating Temperature/ºC	Cooling	Hardness/HRC	Heating Temperature/ºC	Cooling	Hardness/HRC
820-840	Oil	≥53	450-650	Air	25-40

5. Stock size

Plate	Thickness	20-120mm
	Width	2200mm
	Length	4000-10000mm
round bar	Diameter	16-450mm
	Length	4000-10000mm

6. Product pictures