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无缝管

用于管线、换热器及高载荷节点的高可靠性产品。

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技术表格

焊管与无缝管标准及化学成分

适用于焊管与无缝管的技术数据，便于阅读与复制。

可执行标准

序号	标准	说明
01	GOST 9941	Seamless cold and warm-deformed tubes made from corrosion-resistant steel
02	ASTM A312	Spec for seamless, welded, and heavily cold worked austenitic stainless steel pipes
03	GB/T14976	Stainless steel seamless tubes for fluid transport
04	GB/T14975	Stainless steel seamless tubes for structures
05	GB 13296	Stainless steel seamless tubes for boiler and heat exchanger
06	GB 9948	Stainless steel tubes for petroleum cracking
07	GB 5310	Stainless steel tubes and pipes for high-pressure boiler
08	GB/T21833	Austenitic-ferritic (duplex) grade stainless seamless steel tubes and pipes
09	GB/T12771	Welded stainless steel pipes for liquid delivery
10	ASTM A511	Spec for seamless stainless steel mechanical tubing
11	ASTM A269	Spec for seamless and welded austenitic stainless steel tubing for general service
12	ASTM A213	Spec for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
13	ASTM A376	Spec for seamless austenitic steel pipe for high-temperature central-station service
14	ASTM A789	Spec for seamless and welded ferritic-austenitic stainless steel tubing for general service
15	G3459	Seamless steel pipes
16	G3463	Seamless steel boiler and heat exchanger tubes
17	EN 10297-2	Seamless circular steel tubes for mechanical and general engineering purposes
18	EN 10216-5	Seamless steel tubes for pressure purposes - technical delivery conditions
19	ASTM A688	Spec for welded austenitic stainless steel feed-water heater tubes

钢种、尺寸范围与交货状态

品类	材质	规格范围	最大长度	加工工艺	交货状态	标准	表面状态
Austenitic Stainless Steel	304/L/H/LN, 316/L/H/LN/Ti, 321/H, 317/L/LN, 347/H, 310S/H, 309S	OD 6-38 × 0.5-6 mm; OD 42-168 × 2-30 mm; OD 219-325 × 3-45 mm; OD 377-764 × 5-60 mm	14-38 m	Cold-rolled / Cold Drawn	Annealing	GB, ASME, ASTM, JIS, EN, DIN, GOST	Bright Tube, Pickling Passivation, Finishing Polish, Wire drawing
Super Austenitic Stainless Steel	N08904 (904L), S31254, S30432, S31042, N08367 (6Mo)	OD 12-325 × 0.8-20 mm	12 m	Cold-rolled / Cold Drawn	Annealing	GB, ASME, ASTM, JIS, EN, DIN, GOST	Bright Tube, Pickling Passivation, Finishing Polish, Wire drawing
Super Duplex Stainless Steel	S31500, S32101, S32003, S32304, S31803, S32205, S32750, S32760	OD 12-325 × 0.8-20 mm	12 m	Cold-rolled / Cold Drawn	Annealing	GB, ASME, ASTM, JIS, EN, DIN, GOST	Bright Tube, Pickling Passivation, Finishing Polish, Wire drawing
High Temperature Nickel Alloy Pipe	N02200, N02201, N04400, N06600, N06690, N06625, N06985 (G3), N08028, N08800, N08810, N08811, N08825, N10276, N10624, N10629, N10675	OD 12-325 × 0.8-20 mm	12 m	Cold-rolled / Cold Drawn	Annealing	GB, ASME, ASTM, JIS, EN, DIN, GOST	Bright Tube, Pickling Passivation, Finishing Polish, Wire drawing

常见钢种化学成分对照

材质	C	Mn	P	S	Si	Cr	Ni	Mo	Ti	N	Cu
347	C ≤0.08	Mn ≤2.00	P ≤0.045	S ≤0.03	Si ≤1.00	Cr 17.0-19.0	Ni 9.0-12.0	Mo —	Ti 10C-1.1	N —	Cu —
310S	C ≤0.10	Mn ≤2.00	P ≤0.045	S ≤0.03	Si ≤1.50	Cr 24.0-26.0	Ni 19.0-22.0	Mo —	Ti 0.11 max	N —	Cu —
316Ti	C ≤0.10	Mn ≤2.00	P ≤0.045	S ≤0.03	Si ≤1.00	Cr 16.0-18.5	Ni 10.0-14.0	Mo 2.0-3.0	Ti 5C-0.7 / ≥5C	N 0.10 max	Cu —
2205	C ≤0.03	Mn ≤2.00	P ≤0.035	S ≤0.02	Si ≤1.00	Cr 21.0-23.0	Ni 4.5-6.5	Mo 2.5-3.5	Ti —	N 0.08-0.22	Cu —
904L	C ≤0.03	Mn ≤2.00	P ≤0.045	S ≤0.035	Si ≤1.00	Cr 19.0-23.0	Ni 23.0-26.0	Mo 3.0-5.0	Ti —	N 0.04-0.15	Cu 1.0-2.0
2507	C ≤0.03	Mn ≤1.20	P ≤0.035	S ≤0.020	Si ≤0.80	Cr 24.0-26.0	Ni 6.0-8.0	Mo 2.0-5.0	Ti —	N 0.24-0.32	Cu 0.5-1.0

GOST 9941-81 公差表

参数	普通	较高	高
外径 5-10 mm	±0.3 mm	±0.2 mm	±0.15 mm
外径 >10-30 mm	±0.4 mm	±0.3 mm	±0.2 mm
外径 >30-95 mm	±1.2%	±1.0%	±0.8%
外径 >95 mm	±1.0%	±1.0%	±0.8%
壁厚 0.2 mm	±0.05 mm	±0.03 mm	—
壁厚 0.3-0.4 mm	±0.07 mm	±0.05 mm	—
壁厚 0.5-0.6 mm	±0.10 mm	±0.07 mm	—
壁厚 0.7-1.0 mm	±0.15 mm	±0.10 mm	—
壁厚 >1-3 mm	+12.5 / -15.0 %	±12.5%	+12.5 / -10.0 %
壁厚 >3-7 mm	±12.5%	+12.5 / -10.0 %	±10%
壁厚 >7 mm	+12.5 / -10.0 %	±10%	—

特殊说明	普通	高
Broken line dimensions from table 1 (outside diameter)	+1.2%	+1.0%
Wall thickness 1.5-2.5 mm	+15%	+12.5 / -15.0 %
Wall thickness >2.5-4 mm	+12.5 / -15.0 %	+12.5%
Alloy 06XH28MDT, OD ≤30 mm	+0.45 mm	—
Alloy 06XH28MDT, OD >30 mm	+1.2%	—
Alloy 06XH28MDT, WT ≤3 mm	+15.0%	—
Alloy 06XH28MDT, WT >3 mm	+12.5%	—

TP321 材料参考

TP321 (12X18H10T / 08X18H10T / 06Cr18Ni11Ti). 321 stainless steel is a Ni-Cr-Mo type austenitic stainless steel. Due to titanium addition, it has enhanced intergranular corrosion resistance and elevated-temperature strength.

化学成分	C (max)	Mn (max)	P (max)	S (max)	Si (max)	Cr	Ni	Ti	Cu (max)
GOST 12X18H10T	0.12	2.00	0.035	0.02	0.8	17.0-19.0	9.0-12.0	5C-0.8	0.3
GOST 08X18H10T	0.08	2.00	0.035	0.02	0.8	17.0-19.0	9.0-12.0	5C-0.8	—
GB 06Cr18Ni11Ti	0.08	2.00	0.035	0.03	1.00	17.0-19.0	9.0-12.0	5C-0.7	0.3
ASTM TP321	0.08	2.00	0.045	0.03	1.00	17.0-19.0	9.0-12.0	5C-0.7	—
JIS SUS321	0.08	2.00	0.040	0.03	1.00	17.0-19.0	9.0-12.0	≥5C	—
DIN 1.4541	0.08	2.00	0.045	0.03	1.00	17.0-19.0	9.0-12.0	5C-0.7	—

机械性能	Value
Tensile strength σb (MPa)	≥520
Yield strength σ0.2 (MPa)	≥205
Elongation δ5 (%)	≥40
Reduction of area ψ (%)	≥50
Hardness	≤187 HB / ≤90 HRB / ≤200 HV