Bright surface BK astm a106 cold rolled hydraulic steel tube
Tolerance on the precision tube
Working method | Range | ID size | Tolerance | ||||||
ID Tolerance | WT | Ovality | Curvature | ||||||
H8 | H9 | H10 | |||||||
cold drawn | 25-250 | >30-50 | +0.039 0 | +0.062 0 | +0.100 0 |
±5% to 7.5% ID>210mm ±10% |
≤0.10-0.20 |
0.3 | |
cold rolling | 25-150 | >50-80 | +0.046 0 | +0.074 0 | +0.120 0 | ||||
cold-drawn-honed | 40-250 | >80-120 | +0.054 0 | +0.087 0 | +0.10 0 | ||||
cold drawn-SRB | 50-250 | >120-180 | +0.063 0 | +0.100 0 | +0.160 | ||||
cold drawn-polish | 40-250 | >180-250 | +0.072 0 | +0.115 0 | +0.185 0 | ||||
polish-SRB | 50-250 | other size and technique parameter upon request | |||||||
chemical composition
AISI / SAE | C | Si | Mn | P | S |
1012 | 0.1~0.15 | < 0.1 | 0.3~0.6 | < 0.04 | < 0.05 |
1020 | 0.18~0.23 | 0.1~0.2 | 0.3~0.6 | < 0.04 | < 0.05 |
1025 | 0.22~0.28 | 0.2~0.3 | 0.3~0.6 | < 0.04 | < 0.05 |
1040 | 0.37~0.44 | 0.2~0.35 | 0.6~0.9 | < 0.04 | < 0.05 |
1045 | 0.43~0.50 | 0.2~0.35 | 0.6~0.9 | < 0.04 | < 0.05 |
1050 | 0.40~0.55 | 0.2~0.35 | 0.6~0.9 | < 0.04 | <0.05 |
packaging details:
1.bundle with steel strips
2.brand parcel
3.wooden box
4.as clinets request
delivery details: 15days after payment
DIN 2391cold rolling seamless cold drawn precision steel tube
1.Our History
In 1992,Yantai Xinpeng steel pipe established.
In 2000,Xinpeng is equipped with JLB250T cold drawn machine set, LD120 precision cold rolled machine set, straightening machine, box heat treat furnaces(8000-10000mm)
In October 2002, Shandong Penghui Hydraulic Cylinder Co,. LTD. Was established.
In 2012, Xinpeng have equipped the CNC Skive and roller burnished machine set (6000mm)
In 2013, Xinpeng equipped several powerful honing machines. Combined cold drawn , cold rolling, heat treatment and SRB and honing process together to product the best quality products.
2. Our Factory
Yantai xinpeng steel pipe co,.ltd. is Located in the beautiful coastal city-Yantai, urban area of Yantai with convenient transportation.
Registered capital is 5 million Yuan.
Workers are more than 100 persons.
Monthly output is 500tons.
1.fast delivery
2.small min order quantity
3.best price
4.excellent delivery conditions
5.non-standard sizes aviliable
Tel +86-535-6835398