4130 Chromly Plated Seamless Cold Drawn Steel Tube

Product Description

Product Description

Material Chemical Composition(%)
Standard	Steel Grade	C	Si	Mn	P	S	Cr	Mo
ASTM A519	4130/30CrMo	0.28-0.33	0.15-0.35	0.40-0.60	≤0.04	≤0.04	0.8-1.1	0.15-0.25
	4140/42CrMo	0.38-0.43	0.15-0.35	0.75-1	≤0.04	≤0.04	0.8-1.1	0.15-0.25

Mechanical Performance
CW		SR		A			N
RM Tensile Strength(Mpa)Min	A Elongation(%)Mn	RM Tensile Strength(Mpa)Min	A Elongation(%)Mn	RM Tensile Strength(Mpa)Min	Rel Yield Strength(Mpa)Min	A Elongation(%)Mn	RM Tensile Strength(Mpa)Min	Rel Yield Strength(Mpa)Min	A Elongation(%)Mn
-	-	724	10	517	379	30	621	441	20
-	-	855	10	552	414	25	855	621	20

Equivalent Material referance:
GB	TOCT	ASTM	BS	JIS	NF	DIN
10F		1010	040A10		XC10
10	10	10,101,012	045M10	S10C	XC10	C10,CK10
20	20	1020	050A20	S20C	XC18	C22,CK22
45	45	1045	080M46	S45C	XC45	C45,CK45
30CrMo	30XM	4130	1717COS110	SCM420	30CD4
42CrMo		4140	708A42		42CD4	42CrMo4
			708M40
35CrMo	35XM	4135	708A37	SCM3	35CD4	34CrMo4

Detailed Photos
Manufacture Process
Company Profile
Chewit International
Chewit international Located in zhangjiagang city which is along The Yangtze Golden Channel the junction of River and Coast Economic Belt. It owns an excellent geographic position, as it is close to Nanjing city in the north, adjacent to Suzhou and Wuxi cities in the south, next to Shanghai international city in the east. Zhangjiagang international port and State highway endow us a convenient water and land transportation which links us to the outside world both home and aboard. Chewit International is one group company with two manufactures one is producing steel forgings for Marine, Power, Boiler, Ocean, Oil, Petrochemical, Mechanical and Hydraulic fields and the other is producing precision steel tubes for automotive industry and hydraulic system and also one semi-independent company specially for import and export business. We have a total area of 150000 square meters with the employees over 200 people. All the products well produced by our mills need to be double inspected by chewit professional quality controller and then we will offer our customer the vivid report for the tested items. Only those products which are inspected well can be allowed to delivery to our customers. By the means of strict inspection, we wined a lot of customer for long term business both home and abroad. We adhere to our company tenet Customer First, Quality formost and always try our best to serve our customer with our full heart.
FAQ 1. who are we?We are based in Jiangsu, China, start from 2010,sell to Eastern Asia(20.00%),Mid East(20.00%),Eastern Europe(15.00%),Southeast Asia(15.00%),Northern Europe(10.00%),Domestic Market(10.00%),South America(5.00%),Western Europe(5.00%),South Asia(0.00%),North America(0.00%),Oceania(0.00%),Southern Europe(0.00%),Central America(0.00%),Africa(0.00%). There are total about 11-50 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, Stainless Steel Tube4. why should you buy from us not from other suppliers?Production: Advanced production line and drawing with special oil to make the surface in best condition. Lower roughness and good mechanical performance. Inspection before delivery: Professional team for inspection and randomly check5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU;Accepted Payment Currency:USD,EUR,HKD,CNY;Accepted Payment Type: T/T,L/C,MoneyGram;Language Spoken:English,Chinese,Spanish,Japanese