Cheap Price ASTM4140, GB42crmo, DIN 1.7225 Cold Drawn Hexagon Steel Rod

• Type: Alloy Steel Bar
• Standard: ASTM, JIS, GB, DIN, AISI
• Composition: Ferrous Steel Scrap
• Technique: Cold Drawn
• Shape: Bar
• Surface Treatment: Polished
• Application: Structural Steel Bar
• 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: Chn
• HS Code: 72285000
• Production Capacity: 10000 Ton/Year

Product Description

ASTM4140 GB42crmo JIS SCr440 cold drawn carbon Alloy Hexagon Steel Bar



Chemical composition

C	Si	Mn	P	S	Cr	Mo
0.38-0.43%	0.10-0.35%	0.75-1.00%	≤0.035%	≤0.040%	0.80-1.10%	0.15-0.25%

Equivalent Steel Grade 
Din 1.7225
42CrMo4
JIS SCM440
GB 42CrMo
ASTM 4140

Mechanical Properties

Tensile Strength (MPA)	Yield Strength (MPA)	Reduction (%)	Elongation (10%)	Impact Strength (Aku2/J)	Hardness (HB)
1080	930	12	45	63	Anneal≤217HB Q+T 28-32HRC

 

Cold drawn steel types, shapes and sizes we can offer

besides the below shapes and sizes,we can also manufacture it based on customer's requests and customize different shapes and sizes.

Shapes	Sizes	Processing
Steel Round Bar	5mm to 63.5mm	Cold Drawn
Steel flat Bar	63.5mm-120mm	smooth-turned and polished.
Cold drawn steel square bar	5*5mm to120*120mm	Cold Drawn
Cold drawn steel hex bar	5mm to120mm	Cold Drawn
Cold drawn steel hexagonal bar	5mm to 120mm (side to side)	Cold Drawn
Straightness	Max 1mm/m
Tolerance	h9 h10 h11 or as required

 

Dimension (mm)		Tolerance deviation grade
		Grade h8	Grade h9		Grade h10	Grade h11
3.01-6.0	0-0.012	0-0.018	0-0.030		0-0.048	0-0.075
6.01-10.0	0-0.015	0-0.022	0-0.036		0-0.058	0-0.090
10.01-18.0	0-0.018	0-0.027	0-0.043		0-0.070	0-0.110
18.01-30.0	0-0.021	0-0.033	0-0.052		0-0.084	0-0.130
30.01-50.0	0-0.025	0-0.039	0-0.062		0-0.100	0-0.160
50.01-80.0	0-0.030	0-0.046	0-0.074		0-0.120	0-0.190
h7 :grinding product h8 :high-precision cold drawn product h9:precision cold drawn product				h10:standard cold drawn product h11:special shaped cold drawn product

Product length(mm) & diameter

Product variety	The length of finished product	Length tolerance
Cold drawn product	1000-6000	0-+20
Grinding product	1000-4000	0-+20

Straightness tolerance(mm)

Product mode	Straightness tolerance
Standard cold drawn	0.7/1000~0.5/1000
Precision and high precision	0.4/1000

Surface roughness Ra(um)

Product mode	Grinding	High precison  cold drawn	Precision cold drawn	Stardard cold drawn
Surface roughness Ra(um)	0.40	0.80	1.60	3.20

 

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...

 

Round steel	Square steel	Flat steel
hexagonal steel	Irregular steel	Steel pipe

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.

We have professional equipment and technical engineers for your service, according to your requirements (material, shape, mechanical properties) customized production


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 Warehouse and Package



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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