Good Quality GB40cr, SAE 5140, JIS SCR440 (H) , En 41cr4 Cold Drawn Steel Bar for Coal Mining Industry

• Technique: Cold Rolled
• Standard: AISI, JIS, ASTM, DIN, GB
• Products: Customize The Steel According to The Drawing
• Transport Package: Rust Oil Waterproof Nylon Packaging, Wooden Cases,
• Specification: Customize materials according to requirements, siz
• Trademark: junxiong
• Origin: China
• HS Code: 72141000
• Production Capacity: 10000 Ton/Year

Product Description

GB 40Cr Cold drawn flat bar

Equivalent Materials
DIN 1.7035
DIN 41Cr4
AFNOR 42C4
BS 530M40
UNE 42Cr4
AISI 5140
SAE 5140
JIS SCR440(H)
EN 41Cr4
EN 1.7035
GOST 41H

Chemical composition
C: 0.37~0.44
Si: 0.17~0.37
Mn:0.50~0.80
Cr: 0.80~1.10
Ni:≤0.30
P:≤0.035
S: ≤0.035
Cu: ≤0.030
Mo:≤0.10

Mechanical properties
Sample blank size (mm): 25
Heat treatment:
The first quenching heating temperature (ºC): 850; coolant: oil
The second quenching heating temperature (ºC):-
Tempering heating temperature (ºC): 520;
Tensile strength (σb/MPa): ≥810 (when actual hardness is 25HRC)
Yield point (σs/MPa): ≥785
Elongation after breaking (δ5/%): ≥9
Reduction of area (ψ/%): ≥45
Impact absorption (Aku2/J): ≥47
Brinell hardness (100/3000HBW) (annealed or high temperature tempered state): ≤207

Offered Size for reference

Shape	Specification	Length
Round	Φ4~Φ100	5-8m or customized
Hexagon	S6~S75	5-8m or customized
Square	5*5~70*70	5-8m or customized
Flat	2*10~20*140	5-8m or customized
Irregular	Accumulative total more than 800species,discuss separately	5-8m or customized
Special requirements	Processing according to customer's design
Straightness	Max 1mm/m
Tolerance	h9 h10 h11 or as required

Type of steel	GB	ASTM(SAE)	JIS
Carbon steel Low alloy steel	Q195,Q215, Q235,Q345	A285MGr.B A570MGr.A	SS330 SS400,SS490...
Quality carbon steel	10,20,35,40,60 20Mn,25Mn, 35Mn,40Mn	1010,1020,1035, 1045,1060,1022, 1026,1037,1039	S10C,S20C, S35C,S45C...
Alloy structure steel	20Mn2,40Mn2,20Cr,40Cr, 20CrMo,35CrMo,42CrMo, 20CrMnTi,20Cr2Ni4, 40CrNiMo	1320,1345,5120, 5140,4118,4135, 4140,3316,4340	SMn420,SMn438, SCr420,SCr440 SCM430,SCM435 SCM440,SCN815 SNCM439
Cold heading steel	ML10,ML20,ML30, ML35,ML35CrMo, ML42CrMo,ML15MnB	1012,1020,1030 1034,4135,4140, 1518	SWRCH10R SWRCH20K SWARCH35K SNB7
Spring steel	65Mn,60Si2Mn,50CrVA	1066,6150	SCP6,SCP10
Bearing steel	GCr15	E52100	SUJ2
Stainless steel	1Cr13,2Cr13	412,420	SUS410,SUS420
Tooling steel	T8,T10 W6Mo5Cr4V2	W1A-8, W1A-9.5,M2	SK7,SK4,SKH9
Free cutting steel	Y12,Y12Pb,Y15, Y15Pb,Y40Mn	1212,11L08,1215 12L13,12L14,1141	SUM21,SUM32, SUM22L,SUM42...

Production Processing 


Company Profile
Founded in 2012, Junxiong Metal is located in Jiulong Metallurgical Industrial Park, an important upgrade project base of Jiangsu Sha Gang Group, one of the world's top 300 key projects in the "Twelfth Five-Year Plan" period of Jiangsu Province.Relying on the unique manufacturing, consumption, economic and trade, investment, transportation and industrial policies of the Yangtze River Delta and strong government support, Junxiong stands on the shoulders of the giant Sha Gang Group to create value for you.

The main production and processing of cold-drawn round steel, square steel, flat steel, hexagonal steel, special-shaped steel, tooth steel, easy-to-chip steel, special-shaped drawn pipe steel, cold forging steel spheroidization, austenitic martensitic stainless steel, according to customers Mechanical properties, appearance and appearance require professional customized production. Products are widely used in standard parts, hardware tools, textile machinery, motorcycles, loaders, forklift parts, sports equipment, furniture and iron crafts, auto parts and other industries. Some products are indirectly exported to foreign countries, creating value for customers.



Lab Inspection Equipment
We have professional equipment and technical engineers for your service, according to your requirements (material, shape, mechanical properties) customized production.Our company has automatic production line to produce round steel Good straightness, after chamfer, it can be machined by the longitudinal cutting machine Customization (length) Customization (heat treatment hardness) Customization (Grinding machine polishing)



Finished Products




FAQ
Q: Are you trading company or manufacturer? 
A: Both
Q: How long is your delivery time? 
A: Generally it is 5-10 days if the goods are in stock. Or it is 30 ~40days if the goods are not in stock, it is according to quantity. The more the quantity is, the shorter the delivery will be. 
Q: Do you provide samples? Is it free or extra? 
A: Yes, we The inventory can be provided free of charge, but the freight will need to be borne by you
Q: What is your terms of payment? 
A: T/T or L/C according to real order. 
Q: What is your terms of payment? 
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance before shippment. 

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