SSID DOM steel tube ASTM A519 from China manufacturer

Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: ASTM A519

Packing: IN bundles /wooden boxes

Production method: Cold drawn and Cold rolling

Grade: Carbon steel and Alloy stee...

Production Capacity: 3000tons

Delivery Date: 30-70days

Type: Seamless steel tubes

Application: Mechanical engineering, Aut...

Standard: ASTM A519
Seamless Carbon and Alloy Steel Mechanical Tubing
Applications: for mechinery, mechanical engineer

Special Smoothness Inside Surface,SSIS
this tubing is intended for use where the inside surface is of prime importance.
Usually we leave maching allowance for both OD and ID tolerance for further maching purpose.

Mothod of tube forming:
1. Hot-Finished Mechanical Tubing
2. Cold-Worked Mechanical Tubing
3. Rough -Turned Mechanical Tubing
4. Ground Mechanical Tubing

Thermal Treatment:
1) A-Annealed
2) N-Normalized
3) QT-Quenched and Tempered
4) SR-Stress relieved or Finish Anneal

Steel Grade and Chemical Compositions:

Steel	C	Mn	P	S	Si	Cr	Mo
Grade	max	max	max	max	min
1008	0.10	0.30-0.50	0.040	0.050
1010	0.08-0.13	0.30-0.60	0.040	0.050
1018	0.15-0.20	0.60-0.90	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
1035	0.32-0.38	0.60-0.90	0.040	0.050
1045	0.43-0.50	0.60-0.90	0.040	0.050
4130	0.28-0.33	0.40-0.60	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25

Grade	condition	Ultimat	Yield	Elongation	Rockwell
		Strength	Strength		Hardness
		ksi Mpa	ksi Mpa	%	B Scale
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
1025	HR	55 379	35 241	25	60
	CW	75 517	65 448	5	80
	SR	70 483	55 379	8	75
	A	53 365	30 207	25	57
	N	55 379	36 248	22	60
1035	HR	65 448	40 276	20	72
	CW	85 586	75 517	5	88
	SR	75 517	65 448	8	80
	A	60 414	33 228	25	67
	N	65 448	40 276	20	72
1045	HR	75 517	45 310	15	80
	CW	90 621	80 552	5	90
	SR	80 552	70 483	8	85
	A	65 448	35 241	20	72
	N	75 517	48 331	15	80
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	90 310	15	100
	SR	120 855	100 689	10	100
	A	80 552	60 414	25	85
	N	120 855	90 621	20	100