ASTM A519 4130 4140 Seamless Steel Tube

• Type: Seamless
• Technique: Cold Drawing, Hot Rolling or Hot Expanding
• Material: Alloy Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Special Purpose
• Section Shape: Round
• Model NO.: EYST
• Thickness: 1-32mm
• Surface: Galvanized, 3PE, Painting, Coating Oil, etc.
• Delivery Time: 15-30 Days After Down Payment
• Length: 1-6m
• Secondary or Not: Non-Secondary
• Standard or Not: Standard
• Alloy or Not: Non-Alloy
• Price Term: Fob, CIF, CNF
• Payment: L/C, T/T
• Transport Package: in Bundle or as Requested
• Specification: 6-325mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 730419
• Production Capacity: 5000 Tons Per Month

Product Description

Standard & Material	Carbon Steel	ASTM A519 Standard	MT1010, MT1020, 1008, 1010, 1018, 1020, 1025, 1030, 1045, 1518
		JIS G3445 Standard	STKM11A  STKM12A  STKM12B STKM12C   STKM13A  STKM13B STKM13C   STKM14A  STKM14B STKM14C  STKM15A  STKM15C STKM16A  STKM16C   STKM17A STKM17C  STKM18A  STKM18B STKM18C   STKM19A  STKM19C STKM20A
		JIS G3473 Standard	STC370, STC440, STC510A, STC510, STC540, STC590A, STC590B
		DIN 2391 Standard	St 35, St45, St52
		EN 10297-1 Standard	E235, E275, E315, E355, E470
		EN 10305-1 Standard	E215, E235, E355
		EN 10305-4 Standard	E215, E235, E355
		BS 6323-3 Standard	HFS 3, HFS 4, HFS 5, HFS 8
		NF A49-311	TU 37-b, TU 52-b, TU 56-b, TU XC35
	Alloy Steel	ASTM A519 Standard	1345, 3140, 4130, 4135, 4140, 4150, 4320, 4340, 5120, 5130
		JIS G3429 Standard	STH11, 12 STH21, 122 STH31
		JIS G3441 Standard	SCR420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM440TK
	Stainless Steel	ASTM A511 Standard	MT304, MT304L, MT310S, MT316, MT316L, MT317, MT321, MT347,   MT403, MT410, MT431
		ISO Standard	NACE MR-0175
Size		Size Range		Tolerance
	OD	6-325mm		-0.035 -- +0.045mm
	ID	2-250mm		±0.035mm
	WT	1-32mm		depends on sizes
	Length	random or fixed length		+0-3.5mm
	Straightness	0.15:1000, 0.4:1000, 0.5:1000 1:1000 or customized
	Surface Roughness	Ra 0.02-0.4μm

 

ASTM A519

Chemical Composition

Grade	C %	Si %	Mn %	P %	S %	Mo %	Cr %
1020	0.18-0.23	/	0.30-0.60	0.040 max	0.050 max	/	/
1025	0.22-0.28	/	0.30-0.60	0.040 max	0.050 max	/	/
1035	0.32-0.38	/	0.60-0.90	0.040 max	0.050 max	/	/
1045	0.43-0.50	/	0.60-0.90	0.040 max	0.050 max	/	/
4130	0.28-0.33	0.15-0.35	0.40-0.60	0.040 max	0.040 max	0.15-0.25	0.80-1.10
4140	0.38-0.43	0.10-0.35	0.75-1.00	0.040 max	0.040 max	0.15-0.25	0.80-1.10

Mechanical Properties

Grade	Tensile Strength MPa1	Yield Strength MPa1	Tensile Strength MPa2	Yield Strength MPa2
1020	331	193	379	234
1025	365	207	379	248
1035	414	228	448	276
1045	448	241	517	331
4130	517	379	621	414
4140	552	414	855	621
1. Annealed 2. Normalized *Also provide NBK heat treatment.

UNS	MIL	SAE	AFNOR	DIN	AMS	ASTM
G41300	Mil-S-16974	J404,J412	25CD4	1.7218	6350	A322,A505
UNS		BS	AFNOR	DIN	SAE	ASTM
G41400		798A42,708M40,709M40	40CD4	1.7225	J404,J412	A322