A519 4140 Chromoly Tube for Bicycle

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Model NO.: A519 4140
• Material: Alloy Steel
• Surface Treatment: Black Painting,Varnished Coating etc
• Usage: Boiler Pipe, Machinery Industry, Mining, Construction & Decoration, Mechanical Service
• Section Shape: Round
• Product Name: Seamless Alloy Steel Tube ASTM A519 Grade 4130
• Delivery Condition: Bk,Bkw,Bks,+a,+N
• End Finish: Plain End with Square Cuts or Bevelled Ends
• Length Max: 15.2 Meters
• Key Words: 4140 Tube for Bicycle
• Quality: High Level
• Sample: Available
• Brand: Derbo
• Payment: 30% Deposit
• Transport Package: in Bundles by Steel Strips/Pallet
• Specification: 8mm-480mm
• Trademark: Derbo/OEM/ODM
• Origin: Hebei Province, China (Mainland)
• HS Code: 7306500000
• Production Capacity: 10000 Ton/Tons Per Week

Product Description

Chemical Composition:
Standard	Type	Grade	C	Mn	P≤	S≤	Ni	Cr	Mo
ASTM A519	Carbon steel	1010	0.08-0.13	0.30-0.60	0.040	0.050	-	-	-
		1020	0.18-0.23	0.30-0.60	0.040	0.050	-	-	-
		1026	0.22-0.28	0.60-0.90	0.040	0.050	-	-	-
		1040	0.37-0.44	0.60-0.90	0.040	0.050	-	-	-
	Alloy steel	4130	0.28-0.33	0.40-0.60	0.040	0.040	-	0.80-1.10	0.15-0.25
		4140	0.38-0.43	0.75-1.00	0.040	0.040	-	0.80-1.10	0.15-0.25
Mechanical Properties
Standard	Type	Grade	Condition	Ultimate Strength		Yleld Strength		Elongation in 2 In or 50 mm,%	Rockwell Hardness   B Scale
				ksi	Mpa	ksi	Mpa
ASTM A519	Carbon Steel	1020	HR	50	345	32	221	25	55
			CW	70	483	60	414	5	75
			SR	65	448	50	345	10	72
			A	48	331	28	193	30	50
			N	55	379	34	234	22	60
	Alloy Steel	4130	HR	90	621	70	483	20	89
			SR	105	724	85	586	10	95
			A	75	517	55	379	30	81
			N	90	621	60	414	20	89
		4140	HR	120	855	90	621	15	100
			SR	120	855	100	689	10	100
			A	80	552	60	414	25	85
			N	120	855	90	621	20	100

Alloy Steel Pipe Showcase
Alloy Steel Pipe Facility
Alloy Steel Pipe Packing and Transportation

Quality Control
Our quality control department consists of experienced technicians. These personal strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.

Packaging & Delivery
PACKING In bundles or according to requirements of customers
Delivery Detail: 7~25 Day

Your inquiry will be highly appreciated!
Please contact me without any hesitation if you are interested in our products!
We will offer warm-hearted service to you!