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ASTM C38000 Lead Brass Seamless Tubes For Mechanical Engineering Industry

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ASTM C38000 Lead Brass Seamless Tubes For Mechanical Engineering Industry

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Brand Name :	FRANK STEEL
Model Number :	ASTM C38000
Certification :	DNV / LR / BV/ SGS
Price :	Negotiation
Payment Terms :	T/T, L/C
Supply Ability :	1000 Ton per 30 days
Delivery Time :	about 30 work days

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ASTM C38000 Lead Brass Seamless Tubes For Mechanical Engineering Industry

ASTM C38000 Lead Brass Seamless Tubes For Mechanical Engineering Industry

1. Description

ASTM C38000 lead brass is one of the most widely used composite brass. It has excellent cutting performance, wear resistance and high strength. It is mainly used in various connectors in mechanical engineering, water fittings in washroom or toilets and bathrooms, as well as valves and valve stems. The low cost of lead brass is an important prerequisite for its wide application. Its alloy composition can contain a variety of alloy elements, and the content requirements are relatively loose, which lays a foundation for the comprehensive utilization of copper alloy raw materials.

2. Chemical composition

Zn:Remain

(Pb)4.9-6.0

(Al)≤0.2,

(Fe)≤0.8,

(Sb)≤0.005,

(P)≤0.02,

(Bi)≤0.003,

(Cu)79.0～81.0,

Impurity%≤2.0

3. Mechanical properties

TENSILE STRENGTH(N/mm2) ≥245

5(%)ELONGATION ≥ 10

Hardness: ≥685HB

Heat treatment specification: heating temperature 1050-1100 ℃, pouring temperature 980-1000 ℃.

4. Standard comparison

Category	China	US		UK	Germany	Japan
Category	GB	ASTM	CDA	BS	DIN	Digital system	JIS
Leaded Brass	HPb58-2.5	C38000		Cz121	CuZn39Pb3	2.0401	C3603

5. OD table and tolerance

T mm OD mm	0.15--0.2	0.2--0.3	0.3--0.5	0.5--0.8	0.8--1.2	1.2--1.8	1.8--2.5	2.5--3	3--4
2.5--5	√	√	√
6--10	√	√	√	√	√
11--15		√	√	√	√	√
16--20			√	√	√	√
20--25			√	√	√	√	√
25--35			√	√	√	√	√
35--45			√	√	√	√	√	√
45--55				√	√	√	√	√	√

outside diameter	Average tolerance
outside diameter	General (±mm)	high(±mm)
3--15	0.09	0.05
15--25	0.1	0.06
25--50	0.15	0.08

6. Wall Thicknese and tolerance

wall thickness	Average tolerance
wall thickness	General(mm)	high(mm)
0.2--0.5	±0.02--0.05	±0.01--0.03
0.5--0.8	±0.05--0.08	±0.02--0.05
0.8--1.5	±0.08--0.15	±0.05--0.12
1.5--2.5	±0.15--0.25	±0.12--0.2
2.5--4	±0.25--4	±0.2--0.3

7. Details picture

ASTM C38000 Lead Brass Seamless Tubes For Mechanical Engineering Industry

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