aisi 4130 steel pipe
Product Description
1. Commodity: 4130 seamless hydraulic honed steel tube
2. Manufacture method: cold drawn, cold rolled,Hydraulic cold drawn
3. Internal surface treatment method: honing or skiving&roller burnishing
4. Size range: 60mm*50mm - 480mm*450mm
5. Standard&material: EN10305-1 E355,C45E,25CrMo4,34CrMo4,42CrMo4,DIN2391-2 ST52,ST52.3,ST52.4,ASTM A519 SAE1020,SAE1045,SAE1026,SAE4130,SAE4140,etc.
6. OD tolerance: as per DIN2391-1, EN10305-1, ASTM A519 or as per customer's requirement.
7. ID tolerance: H7,H8,H9,H10, or given by customer.
8. Wall Thickness tolerance (eccentricity): +/-5%
9. Roughness of internal surface(Ra):0.25um max for skived&roller burnished tube, 0.4um max for honed tubes.
10. Ovality of OD: 0.15mm max for tubes with OD below 150mm, 0.25mm max for tubes with OD above 150mm.
11. Straightness: 0.5mm/1000mm max for tubes below 3000mm, 0.8mm/1000mm max for tubes between 3000mm and 6000mm, 1.2mm/1000mm for tubes above 6000mm.
Classification of ID tolerance for honed tubes:
ID / MM | H7 | H8 | H9 | H10 |
30 | +0.025/-0 | +0.039/-0 | +0.062/-0 | +0.100/-0 |
50 | +0.030/-0 | +0.046/-0 | +0.074/-0 | +0.120/-0 |
80 | +0.035/-0 | +0.054/-0 | +0.087/-0 | +0.140/-0 |
120 | +0.040/-0 | +0.063/-0 | +0.100/-0 | +0.160/-0 |
180 | +0.046/-0 | +0.072/-0 | +0.115/-0 | +0.185/-0 |
250 | +0.052/-0 | +0.081/-0 | +0.130/-0 | +0.210/-0 |
315 | +0.057/-0 | +0.089/-0 | +0.140/-0 | +0.230/-0 |
400 | +0.063/-0 | +0.097/-0 | +0.155/-0 | - |
Products Details
Shandong Liaocheng Yizhong Commercial Trade Co., Ltd is a manufacturer of steel pipes and Steel Pipe fittings, with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices, our products are extensively used in industry, sewage treatment, urban central heating, and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Contact us:
Name: Elena Ding
Trade Manager:cn1501004429
Mobile:+86-15552121361
Skype:elena_steel1
Product Categories : Seamless Steel Pipe
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